From 4c77b1b9dde7b7fe985945428e9c0623dd6c77fc Mon Sep 17 00:00:00 2001
From: Talley Lambert <talley.lambert@gmail.com>
Date: Sun, 8 Dec 2024 08:41:08 -0500
Subject: [PATCH 01/26] ci: trying to fix ci

---
 .github/workflows/ci.yaml           |   2 +-
 ilpy/impl/gurobi_c.h                | 328 ++++++++++++++++++----------
 ilpy/impl/solvers/GurobiBackend.cpp |   2 +-
 ilpy/impl/solvers/ScipBackend.cpp   |   2 +-
 pyproject.toml                      |   1 +
 setup.py                            |   5 +-
 6 files changed, 218 insertions(+), 122 deletions(-)

diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 1c25002..83860dc 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -65,7 +65,7 @@ jobs:
           channel-priority: true
 
       - name: install build deps
-        run: mamba install scip=9.1.0 gurobi gcovr
+        run: mamba install scip=9.1.0 gurobi=12.0.0 gcovr
 
       - name: add gurobi license
         shell: bash
diff --git a/ilpy/impl/gurobi_c.h b/ilpy/impl/gurobi_c.h
index 149c2a6..fcb1ee9 100644
--- a/ilpy/impl/gurobi_c.h
+++ b/ilpy/impl/gurobi_c.h
@@ -1,4 +1,4 @@
-/* Copyright 2022, Gurobi Optimization, LLC */
+/* Copyright 2024, Gurobi Optimization, LLC */
  
 #ifndef _GUROBI_C_H
 #define _GUROBI_C_H
@@ -40,9 +40,9 @@ typedef struct _GRBenv GRBenv;
 
 /* Version numbers */
 
-#define GRB_VERSION_MAJOR     9
-#define GRB_VERSION_MINOR     5
-#define GRB_VERSION_TECHNICAL 1
+#define GRB_VERSION_MAJOR     12
+#define GRB_VERSION_MINOR     0
+#define GRB_VERSION_TECHNICAL 0
 
 /* Default and max priority for Compute Server jobs */
 
@@ -57,8 +57,9 @@ typedef struct _GRBenv GRBenv;
 
 #define DEFAULT_CS_HANGUP 60
 
-/* Error codes */
+/* Error codes: adjust MIN/MAX if adding new codes */
 
+#define GRB_C_MIN_ERROR                    10001
 #define GRB_ERROR_OUT_OF_MEMORY            10001
 #define GRB_ERROR_NULL_ARGUMENT            10002
 #define GRB_ERROR_INVALID_ARGUMENT         10003
@@ -91,6 +92,7 @@ typedef struct _GRBenv GRBenv;
 #define GRB_ERROR_CSWORKER                 10030
 #define GRB_ERROR_TUNE_MODEL_TYPES         10031
 #define GRB_ERROR_SECURITY                 10032
+#define GRB_C_MAX_ERROR                    10032
 
 /* Constraint senses */
 
@@ -251,15 +253,24 @@ int __stdcall
   GRBgetlogcallbackfuncenv(GRBenv         *env,
                            int (__stdcall **cbP)(LOGCB_ARGS),
                            void           **logdataP);
+
+int __stdcall
+  GRBcbproceed(void *cbdata);
 int __stdcall
   GRBcbget(void *cbdata, int where, int what, void *resultP);
+int __stdcall
+  GRBcbsetintparam(void *cbdata, const char *paramname, int newvalue);
+int __stdcall
+  GRBcbsetdblparam(void *cbdata, const char *paramname, double newvalue);
+int __stdcall
+  GRBcbsetstrparam(void *cbdata, const char *paramname, const char *newvalue);
 int __stdcall
   GRBcbsetparam(void *cbdata, const char *paramname, const char *newvalue);
 int __stdcall
   GRBcbsolution(void *cbdata, const double *solution, double *objvalP);
 int __stdcall
   GRBcbcut(void *cbdata, int cutlen, const int *cutind, const double *cutval,
-          char cutsense, double cutrhs);
+           char cutsense, double cutrhs);
 int __stdcall
   GRBcblazy(void *cbdata, int lazylen, const int *lazyind,
             const double *lazyval, char lazysense, double lazyrhs);
@@ -287,11 +298,9 @@ int __stdcall
 #define GRB_INT_ATTR_MODELSENSE    "ModelSense"    /* 1=min, -1=max */
 #define GRB_DBL_ATTR_OBJCON        "ObjCon"        /* Objective constant */
 #define GRB_INT_ATTR_IS_MIP        "IsMIP"         /* Is model a MIP? */
-#define GRB_INT_ATTR_IS_QP         "IsQP"          /* Model has quadratic obj? */
+#define GRB_INT_ATTR_IS_QP         "IsQP"          /* Is model a QP/MIQP (without Q/NL constraints)? */
 #define GRB_INT_ATTR_IS_QCP        "IsQCP"         /* Model has quadratic constr? */
 #define GRB_INT_ATTR_IS_MULTIOBJ   "IsMultiObj"    /* Model has multiple objectives? */
-#define GRB_STR_ATTR_SERVER        "Server"        /* Name of Compute Server */
-#define GRB_STR_ATTR_JOBID         "JobID"         /* Compute Server job ID */
 #define GRB_INT_ATTR_LICENSE_EXPIRATION "LicenseExpiration" /* License expiration date */
 #define GRB_INT_ATTR_NUMTAGGED     "NumTagged"     /* number of tagged elements in model */
 #define GRB_INT_ATTR_FINGERPRINT   "Fingerprint"   /* fingerprint computed from the model data and attributes influencing the optimization process */
@@ -343,9 +352,10 @@ int __stdcall
 /* General function constraint attributes */
 
 #define GRB_INT_ATTR_FUNCPIECES      "FuncPieces"       /* An option for PWL translation */
-#define GRB_DBL_ATTR_FUNCPIECEERROR  "FuncPieceError"    /* An option for PWL translation */
+#define GRB_DBL_ATTR_FUNCPIECEERROR  "FuncPieceError"   /* An option for PWL translation */
 #define GRB_DBL_ATTR_FUNCPIECELENGTH "FuncPieceLength"  /* An option for PWL translation */
 #define GRB_DBL_ATTR_FUNCPIECERATIO  "FuncPieceRatio"   /* An option for PWL translation */
+#define GRB_INT_ATTR_FUNCNONLINEAR   "FuncNonlinear"    /* An option for PWL translation */
 
 /* Model statistics */
 
@@ -391,7 +401,8 @@ int __stdcall
 
 #define GRB_DBL_ATTR_X         "X"         /* Solution value */
 #define GRB_DBL_ATTR_XN        "Xn"        /* Alternate MIP solution, depends on solutionnumber */
-#define GRB_DBL_ATTR_BARX      "BarX"      /* Best barrier iterate */
+#define GRB_DBL_ATTR_BARX      "BarX"      /* Best barrier primal iterate */
+#define GRB_DBL_ATTR_BARPI     "BarPi"     /* Best barrier dual iterate */
 #define GRB_DBL_ATTR_RC        "RC"        /* Reduced costs */
 #define GRB_DBL_ATTR_VDUALNORM "VDualNorm" /* Dual norm square */
 #define GRB_INT_ATTR_VBASIS    "VBasis"    /* Variable basis status */
@@ -527,6 +538,12 @@ int __stdcall
 #define GRB_INT_ATTR_NUMSTART     "NumStart"     /* number of MIP starts */
 
 
+/* Memory consumption statistics */
+
+#define GRB_DBL_ATTR_MEMUSED      "MemUsed"        /* current amount of allocated memory (in GB) in master environment */
+#define GRB_DBL_ATTR_MAXMEMUSED   "MaxMemUsed"     /* maximum amount of allocated memory (in GB) in master environment */
+
+
 /* Alternate define */
 
 #define GRB_DBL_ATTR_Xn "Xn"
@@ -539,17 +556,42 @@ int __stdcall
 #define GRB_GENCONSTR_AND         3
 #define GRB_GENCONSTR_OR          4
 #define GRB_GENCONSTR_NORM        5
-#define GRB_GENCONSTR_INDICATOR   6
-#define GRB_GENCONSTR_PWL         7
-#define GRB_GENCONSTR_POLY        8
-#define GRB_GENCONSTR_EXP         9
-#define GRB_GENCONSTR_EXPA       10
-#define GRB_GENCONSTR_LOG        11
-#define GRB_GENCONSTR_LOGA       12
-#define GRB_GENCONSTR_POW        13
-#define GRB_GENCONSTR_SIN        14
-#define GRB_GENCONSTR_COS        15
-#define GRB_GENCONSTR_TAN        16
+#define GRB_GENCONSTR_NL          6
+#define GRB_GENCONSTR_INDICATOR   7
+#define GRB_GENCONSTR_PWL         8
+#define GRB_GENCONSTR_POLY        9
+#define GRB_GENCONSTR_EXP        10
+#define GRB_GENCONSTR_EXPA       11
+#define GRB_GENCONSTR_LOG        12
+#define GRB_GENCONSTR_LOGA       13
+#define GRB_GENCONSTR_POW        14
+#define GRB_GENCONSTR_SIN        15
+#define GRB_GENCONSTR_COS        16
+#define GRB_GENCONSTR_TAN        17
+#define GRB_GENCONSTR_LOGISTIC   18
+
+#define NUMGENCONSTYPES          19
+
+/* Operation codes for genconstrNL */
+
+#define GRB_OPCODE_CONSTANT      0
+#define GRB_OPCODE_VARIABLE      1
+#define GRB_OPCODE_PLUS          2
+#define GRB_OPCODE_MINUS         3
+#define GRB_OPCODE_MULTIPLY      4
+#define GRB_OPCODE_DIVIDE        5
+#define GRB_OPCODE_UMINUS        6
+#define GRB_OPCODE_SQUARE        7
+#define GRB_OPCODE_SQRT          8
+#define GRB_OPCODE_SIN           9
+#define GRB_OPCODE_COS           10
+#define GRB_OPCODE_TAN           11
+#define GRB_OPCODE_POW           12
+#define GRB_OPCODE_EXP           13
+#define GRB_OPCODE_LOG           14
+#define GRB_OPCODE_LOG2          15
+#define GRB_OPCODE_LOG10         16
+#define GRB_OPCODE_LOGISTIC      17
 
 /*
    CALLBACKS
@@ -614,6 +656,8 @@ int __stdcall
 #define GRB_CB_MSG_STRING  6001
 #define GRB_CB_RUNTIME     6002
 #define GRB_CB_WORK        6003
+#define GRB_CB_MEMUSED     6004
+#define GRB_CB_MAXMEMUSED  6005
 
 #define GRB_CB_BARRIER_ITRCNT  7001
 #define GRB_CB_BARRIER_PRIMOBJ 7002
@@ -625,6 +669,23 @@ int __stdcall
 #define GRB_CB_MULTIOBJ_OBJCNT  8001
 #define GRB_CB_MULTIOBJ_SOLCNT  8002
 #define GRB_CB_MULTIOBJ_SOL     8003
+#define GRB_CB_MULTIOBJ_ITRCNT  8004
+#define GRB_CB_MULTIOBJ_OBJBST  8005 /* if single objective is an LP we
+                                      * still do not have a "_OBJVAL", the
+                                      * user can query the _OBJBST/_OBJBND
+                                      * values instead */
+#define GRB_CB_MULTIOBJ_OBJBND  8006
+#define GRB_CB_MULTIOBJ_STATUS  8007
+#define GRB_CB_MULTIOBJ_MIPGAP  8008
+#define GRB_CB_MULTIOBJ_NODCNT  8009
+#define GRB_CB_MULTIOBJ_NODLFT  8010
+#define GRB_CB_MULTIOBJ_RUNTIME 8011
+#define GRB_CB_MULTIOBJ_WORK    8012
+/* TODO maybe we should also support, think about in MIP/LP cases if not applicable
+#define GRB_CB_MULTIOBJ_PRIMINF 8012
+#define GRB_CB_MULTIOBJ_DUALINF 8013
+#define GRB_CB_MULTIOBJ_ISPERT  8014
+*/
 
 #define GRB_CB_IIS_CONSTRMIN    9001
 #define GRB_CB_IIS_CONSTRMAX    9002
@@ -633,6 +694,8 @@ int __stdcall
 #define GRB_CB_IIS_BOUNDMAX     9005
 #define GRB_CB_IIS_BOUNDGUESS   9006
 
+/* FeasRelax method parameter values */
+
 #define GRB_FEASRELAX_LINEAR      0
 #define GRB_FEASRELAX_QUADRATIC   1
 #define GRB_FEASRELAX_CARDINALITY 2
@@ -671,6 +734,9 @@ int __stdcall
 int __stdcall
   GRBgetgenconstrNorm(GRBmodel *model, int genconstr, int *resvarP,
                       int *nvarsP, int *vars, double *whichP);
+int __stdcall
+GRBgetgenconstrNL(GRBmodel *model, int genconstr, int *resvarP, int *nnodesP,
+                  int *opcode, double *data, int *parent);
 int __stdcall
   GRBgetgenconstrIndicator(GRBmodel *model, int genconstr, int *binvarP, int *binvalP,
                            int *nvarsP, int *vars, double *vals,
@@ -694,6 +760,9 @@ int __stdcall
   GRBgetgenconstrExp(GRBmodel *model, int genconstr, int *xvarP, int *yvarP);
 int __stdcall
   GRBgetgenconstrLog(GRBmodel *model, int genconstr, int *xvarP, int *yvarP);
+int __stdcall
+  GRBgetgenconstrLogistic(GRBmodel *model, int genconstr, int *xvarP,
+                          int *yvarP);
 int __stdcall
   GRBgetgenconstrSin(GRBmodel *model, int genconstr, int *xvarP, int *yvarP);
 int __stdcall
@@ -725,6 +794,8 @@ int __stdcall
 
 GRBmodel * __stdcall
   GRBcopymodel(GRBmodel *model);
+int __stdcall
+  GRBcopymodeltoenv(GRBmodel *model, GRBenv *env, GRBmodel **resultP);
 int __stdcall
   GRBfixmodel(GRBmodel *model, GRBmodel **fixedP);
 int __stdcall
@@ -733,6 +804,8 @@ int __stdcall
                double *feasobjP);
 int __stdcall
   GRBsinglescenariomodel(GRBmodel *model, GRBmodel **singlescenarioP);
+int __stdcall
+  GRBconverttofixed(GRBmodel *model);
 
 /* Undocumented routines */
 
@@ -740,8 +813,6 @@ int __stdcall
   GRBgetcbwhatinfo(void *cbdata, int what, int *typeP, int *sizeP);
 int __stdcall
   GRBrelaxmodel(GRBmodel *model, GRBmodel **relaxedP);
-int __stdcall
-  GRBconverttofixed(GRBmodel *model);
 int __stdcall
   GRBpresolvemodel(GRBmodel *model, GRBmodel **presolvedP);
 int __stdcall
@@ -764,26 +835,27 @@ int __stdcall
 #define THREADCREATECB_ARGS void **threadP, void (*start_routine)(void *), void *arg, void *syscbusrdata
 #define THREADJOINCB_ARGS void *thread, void *syscbusrdata
 
-int __stdcall
-  GRBloadenvsyscb(GRBenv **envP, const char *logfilename,
-                  void * (__stdcall *malloccb)(MALLOCCB_ARGS),
-                  void * (__stdcall *calloccb)(CALLOCCB_ARGS),
-                  void * (__stdcall *realloccb)(REALLOCCB_ARGS),
-                  void (__stdcall *freecb)(FREECB_ARGS),
-                  int (__stdcall *threadcreatecb)(THREADCREATECB_ARGS),
-                  void (__stdcall *threadjoincb)(THREADJOINCB_ARGS),
-                  void *syscbusrdata);
+#define GRBemptyenvadv(envP, malloccb, callocbc, realloccb, freecb, threadcreatecb, threadjoincb, syscbusrdata) GRBemptyenvadvinternal(envP, -1, GRB_VERSION_MAJOR, GRB_VERSION_MINOR, GRB_VERSION_TECHNICAL, malloccb, callocbc, realloccb, freecb, threadcreatecb, threadjoincb, syscbusrdata)
 
+int __stdcall
+  GRBemptyenvadvnocheck(GRBenv **envP,
+                        void * (__stdcall *malloccb)(MALLOCCB_ARGS),
+                        void * (__stdcall *calloccb)(CALLOCCB_ARGS),
+                        void * (__stdcall *realloccb)(REALLOCCB_ARGS),
+                        void   (__stdcall *freecb)(FREECB_ARGS),
+                        int    (__stdcall *threadcreatecb)(THREADCREATECB_ARGS),
+                        void   (__stdcall *threadjoincb)(THREADJOINCB_ARGS),
+                        void              *syscbusrdata);
 
 int __stdcall
-  GRBemptyenvadv(GRBenv **envP, int apitype, int major, int minor, int tech,
-                 void * (__stdcall *malloccb)(MALLOCCB_ARGS),
-                 void * (__stdcall *calloccb)(CALLOCCB_ARGS),
-                 void * (__stdcall *realloccb)(REALLOCCB_ARGS),
-                 void   (__stdcall *freecb)(FREECB_ARGS),
-                 int    (__stdcall *threadcreatecb)(THREADCREATECB_ARGS),
-                 void   (__stdcall *threadjoincb)(THREADJOINCB_ARGS),
-                 void              *syscbusrdata);
+  GRBemptyenvadvinternal(GRBenv **envP, int apitype, int major, int minor, int tech,
+                         void * (__stdcall *malloccb)(MALLOCCB_ARGS),
+                         void * (__stdcall *calloccb)(CALLOCCB_ARGS),
+                         void * (__stdcall *realloccb)(REALLOCCB_ARGS),
+                         void   (__stdcall *freecb)(FREECB_ARGS),
+                         int    (__stdcall *threadcreatecb)(THREADCREATECB_ARGS),
+                         void   (__stdcall *threadjoincb)(THREADJOINCB_ARGS),
+                         void              *syscbusrdata);
 
 int __stdcall
   GRBreadmodel(GRBenv *env, const char *filename, GRBmodel **modelP);
@@ -885,6 +957,10 @@ int __stdcall
 int __stdcall
   GRBaddgenconstrNorm(GRBmodel *model, const char *name,
                       int resvar, int nvars, const int *vars, double which);
+int __stdcall
+GRBaddgenconstrNL(GRBmodel *model,
+                  const char *name, int resvar, int nnodes, const int *opcode,
+                  const double *data, const int *parent);
 int __stdcall
   GRBaddgenconstrIndicator(GRBmodel *model, const char *name,
                            int binvar, int binval, int nvars, const int *vars,
@@ -920,6 +996,9 @@ int __stdcall
 int __stdcall
   GRBaddgenconstrTan(GRBmodel *model, const char *name, int xvar,
                      int yvar, const char *options);
+int __stdcall
+  GRBaddgenconstrLogistic(GRBmodel *model, const char *name, int xvar,
+                          int yvar, const char *options);
 int __stdcall
   GRBaddqconstr(GRBmodel *model, int numlnz, int *lind, double *lval,
                 int numqnz, int *qrow, int *qcol, double *qval,
@@ -953,10 +1032,7 @@ int __stdcall
   GRBupdatemodel(GRBmodel *model);
 
 int __stdcall
-GRBreset(GRBmodel *model, int clearall);
-
-int __stdcall
-  GRBresetmodel(GRBmodel *model);
+  GRBreset(GRBmodel *model, int clearall);
 
 int __stdcall
   GRBfreemodel(GRBmodel *model);
@@ -997,6 +1073,9 @@ int __stdcall
 int __stdcall
   GRBcbstoponemultiobj(GRBmodel *model, void *cbdata, int objnum);
 
+int __stdcall
+  GRBsingularvectors(GRBmodel *model, double *left, double *right);
+
 /* Model status codes */
 
 #define GRB_LOADED          1
@@ -1015,6 +1094,7 @@ int __stdcall
 #define GRB_INPROGRESS     14
 #define GRB_USER_OBJ_LIMIT 15
 #define GRB_WORK_LIMIT     16
+#define GRB_MEM_LIMIT      17
 
 /* Basis status info */
 
@@ -1042,6 +1122,7 @@ int __stdcall
 #define GRB_DBL_PAR_TIMELIMIT      "TimeLimit"
 #define GRB_DBL_PAR_WORKLIMIT      "WorkLimit"
 #define GRB_DBL_PAR_MEMLIMIT       "MemLimit"
+#define GRB_DBL_PAR_SOFTMEMLIMIT   "SoftMemLimit"
 #define GRB_DBL_PAR_BESTOBJSTOP    "BestObjStop"
 #define GRB_DBL_PAR_BESTBDSTOP     "BestBdStop"
 
@@ -1057,17 +1138,18 @@ int __stdcall
 
 /* Simplex */
 
-#define GRB_INT_PAR_METHOD         "Method"
-#define GRB_DBL_PAR_PERTURBVALUE   "PerturbValue"
-#define GRB_DBL_PAR_OBJSCALE       "ObjScale"
-#define GRB_INT_PAR_SCALEFLAG      "ScaleFlag"
-#define GRB_INT_PAR_SIMPLEXPRICING "SimplexPricing"
-#define GRB_INT_PAR_QUAD           "Quad"
-#define GRB_INT_PAR_NORMADJUST     "NormAdjust"
-#define GRB_INT_PAR_SIFTING        "Sifting"
-#define GRB_INT_PAR_SIFTMETHOD     "SiftMethod"
-#define GRB_INT_PAR_LPWARMSTART    "LPWarmStart"
-#define GRB_INT_PAR_NETWORKALG     "NetworkAlg"
+#define GRB_INT_PAR_METHOD            "Method"
+#define GRB_INT_PAR_CONCURRENTMETHOD  "ConcurrentMethod"
+#define GRB_DBL_PAR_PERTURBVALUE      "PerturbValue"
+#define GRB_DBL_PAR_OBJSCALE          "ObjScale"
+#define GRB_INT_PAR_SCALEFLAG         "ScaleFlag"
+#define GRB_INT_PAR_SIMPLEXPRICING    "SimplexPricing"
+#define GRB_INT_PAR_QUAD              "Quad"
+#define GRB_INT_PAR_NORMADJUST        "NormAdjust"
+#define GRB_INT_PAR_SIFTING           "Sifting"
+#define GRB_INT_PAR_SIFTMETHOD        "SiftMethod"
+#define GRB_INT_PAR_LPWARMSTART       "LPWarmStart"
+#define GRB_INT_PAR_NETWORKALG        "NetworkAlg"
 
 /* Barrier */
 
@@ -1097,6 +1179,7 @@ int __stdcall
 #define GRB_INT_PAR_NODEMETHOD         "NodeMethod"
 #define GRB_DBL_PAR_NORELHEURTIME      "NoRelHeurTime"
 #define GRB_DBL_PAR_NORELHEURWORK      "NoRelHeurWork"
+#define GRB_INT_PAR_OBBT               "OBBT"
 #define GRB_INT_PAR_PUMPPASSES         "PumpPasses"
 #define GRB_INT_PAR_RINS               "RINS"
 #define GRB_STR_PAR_SOLFILES           "SolFiles"
@@ -1131,6 +1214,8 @@ int __stdcall
 #define GRB_INT_PAR_BQPCUTS         "BQPCuts"
 #define GRB_INT_PAR_PSDCUTS         "PSDCuts"
 #define GRB_INT_PAR_LIFTPROJECTCUTS "LiftProjectCuts"
+#define GRB_INT_PAR_MIXINGCUTS      "MixingCuts"
+#define GRB_INT_PAR_DUALIMPLIEDCUTS "DualImpliedCuts"
 
 #define GRB_INT_PAR_CUTAGGPASSES    "CutAggPasses"
 #define GRB_INT_PAR_CUTPASSES       "CutPasses"
@@ -1168,8 +1253,11 @@ int __stdcall
 #define GRB_STR_PAR_WLSACCESSID       "WLSAccessID"
 #define GRB_STR_PAR_WLSSECRET         "WLSSecret"
 #define GRB_INT_PAR_WLSTOKENDURATION  "WLSTokenDuration"
+#define GRB_DBL_PAR_WLSTOKENREFRESH   "WLSTokenRefresh"
 #define GRB_STR_PAR_WLSTOKEN          "WLSToken"
 #define GRB_INT_PAR_LICENSEID         "LicenseID"
+#define GRB_STR_PAR_WLSPROXY          "WLSProxy"
+#define GRB_STR_PAR_WLSCONFIG         "WLSConfig"
 
 
 /* Other */
@@ -1208,7 +1296,9 @@ int __stdcall
 #define GRB_INT_PAR_RECORD            "Record"
 #define GRB_STR_PAR_RESULTFILE        "ResultFile"
 #define GRB_INT_PAR_SEED              "Seed"
+#define GRB_INT_PAR_SOLUTIONTARGET    "SolutionTarget"
 #define GRB_INT_PAR_THREADS           "Threads"
+#define GRB_INT_PAR_THREADLIMIT       "ThreadLimit"
 #define GRB_DBL_PAR_TUNETIMELIMIT     "TuneTimeLimit"
 #define GRB_INT_PAR_TUNERESULTS       "TuneResults"
 #define GRB_INT_PAR_TUNECRITERION     "TuneCriterion"
@@ -1219,6 +1309,7 @@ int __stdcall
 #define GRB_DBL_PAR_TUNETARGETMIPGAP  "TuneTargetMIPGap"
 #define GRB_DBL_PAR_TUNETARGETTIME    "TuneTargetTime"
 #define GRB_INT_PAR_TUNEMETRIC        "TuneMetric"
+#define GRB_INT_PAR_TUNEDYNAMICJOBS   "TuneDynamicJobs"
 #define GRB_INT_PAR_UPDATEMODE        "UpdateMode"
 #define GRB_INT_PAR_OBJNUMBER         "ObjNumber"
 #define GRB_INT_PAR_MULTIOBJMETHOD    "MultiObjMethod"
@@ -1236,27 +1327,30 @@ int __stdcall
 #define GRB_DBL_PAR_FUNCPIECEERROR    "FuncPieceError"
 #define GRB_DBL_PAR_FUNCPIECERATIO    "FuncPieceRatio"
 #define GRB_DBL_PAR_FUNCMAXVAL        "FuncMaxVal"
+#define GRB_INT_PAR_FUNCNONLINEAR     "FuncNonlinear"
 #define GRB_STR_PAR_DUMMY             "Dummy"
-
-/* Deprecated */
-
 #define GRB_STR_PAR_JOBID             "JobID"
 
 
 /* Parameter enumerations */
 
-/* All *CUTS parameters */
+/* Cuts parameter values */
+
 #define GRB_CUTS_AUTO          -1
 #define GRB_CUTS_OFF            0
 #define GRB_CUTS_CONSERVATIVE   1
 #define GRB_CUTS_AGGRESSIVE     2
 #define GRB_CUTS_VERYAGGRESSIVE 3
 
+/* Presolve parameter values */
+
 #define GRB_PRESOLVE_AUTO        -1
 #define GRB_PRESOLVE_OFF          0
 #define GRB_PRESOLVE_CONSERVATIVE 1
 #define GRB_PRESOLVE_AGGRESSIVE   2
 
+/* Method parameter values */
+
 #define GRB_METHOD_NONE                            -1
 #define GRB_METHOD_AUTO                            -1
 #define GRB_METHOD_PRIMAL                           0
@@ -1264,20 +1358,34 @@ int __stdcall
 #define GRB_METHOD_BARRIER                          2
 #define GRB_METHOD_CONCURRENT                       3
 #define GRB_METHOD_DETERMINISTIC_CONCURRENT         4
-#define GRB_METHOD_DETERMINISTIC_CONCURRENT_SIMPLEX 5
+#define GRB_METHOD_DETERMINISTIC_CONCURRENT_SIMPLEX 5 /* Deprecated since v11 */
+
+#define GRB_CONCURRENTMETHOD_AUTO                -1
+#define GRB_CONCURRENTMETHOD_BARRIER_PRIMAL_DUAL  0
+#define GRB_CONCURRENTMETHOD_BARRIER_DUAL         1
+#define GRB_CONCURRENTMETHOD_BARRIER_PRIMAL       2
+#define GRB_CONCURRENTMETHOD_PRIMAL_DUAL          3
+
+/* BarHomogeneous parameter values */
 
 #define GRB_BARHOMOGENEOUS_AUTO -1
 #define GRB_BARHOMOGENEOUS_OFF   0
 #define GRB_BARHOMOGENEOUS_ON    1
 
+/* BarOrder parameter values */
+
+#define GRB_BARORDER_AUTOMATIC       -1
+#define GRB_BARORDER_AMD              0
+#define GRB_BARORDER_NESTEDDISSECTION 1
+
+/* MIPFocus parameter values */
+
 #define GRB_MIPFOCUS_BALANCED    0
 #define GRB_MIPFOCUS_FEASIBILITY 1
 #define GRB_MIPFOCUS_OPTIMALITY  2
 #define GRB_MIPFOCUS_BESTBOUND   3
 
-#define GRB_BARORDER_AUTOMATIC       -1
-#define GRB_BARORDER_AMD              0
-#define GRB_BARORDER_NESTEDDISSECTION 1
+/* SimplexPricing parameter values */
 
 #define GRB_SIMPLEXPRICING_AUTO           -1
 #define GRB_SIMPLEXPRICING_PARTIAL         0
@@ -1285,30 +1393,32 @@ int __stdcall
 #define GRB_SIMPLEXPRICING_DEVEX           2
 #define GRB_SIMPLEXPRICING_STEEPEST_QUICK  3
 
+/* VarBranch parameter values */
+
 #define GRB_VARBRANCH_AUTO          -1
 #define GRB_VARBRANCH_PSEUDO_REDUCED 0
 #define GRB_VARBRANCH_PSEUDO_SHADOW  1
 #define GRB_VARBRANCH_MAX_INFEAS     2
 #define GRB_VARBRANCH_STRONG         3
 
+/* PartitionPlace parameter values */
+
 #define GRB_PARTITION_EARLY     16
 #define GRB_PARTITION_ROOTSTART 8
 #define GRB_PARTITION_ROOTEND   4
 #define GRB_PARTITION_NODES     2
 #define GRB_PARTITION_CLEANUP   1
 
+/* Callback phase values */
+
 #define GRB_PHASE_MIP_NOREL   0
 #define GRB_PHASE_MIP_SEARCH  1
 #define GRB_PHASE_MIP_IMPROVE 2
 
 int __stdcall
   GRBcheckmodel(GRBmodel *model);
-void __stdcall
-  GRBsetsignal(GRBmodel *model);
 void __stdcall
   GRBterminate(GRBmodel *model);
-void __stdcall
-  GRBcbproceed(GRBmodel *model);
 int __stdcall
   GRBreplay(const char *filename);
 int __stdcall
@@ -1324,23 +1434,17 @@ void __stdcall
 void __stdcall
   GRBclean3(int *lenP, int *ind0, int *ind1, double *val);
 
+int __stdcall
+  GRBprintquality(GRBmodel *model);
+
 /* Logging */
 
 void __stdcall
   GRBmsg(GRBenv *env, const char *message);
 
 
-/* The following four routines are deprecated in Gurobi 2.0.
-   Use the 'LogFile' parameter to control logging instead. */
-
-int __stdcall
-  GRBgetlogfile(GRBenv *env, FILE **logfileP);
-
-
 /* Parameter routines */
 
-int __stdcall
-  GRBfixtuneparam(GRBenv *env, const char *paramname);
 int __stdcall
   GRBgetintparam(GRBenv *env, const char *paramname, int *valueP);
 int __stdcall
@@ -1379,10 +1483,16 @@ int __stdcall
   GRBwriteparams(GRBenv *env, const char *filename);
 int __stdcall
   GRBreadparams(GRBenv *env, const char *filename);
+int __stdcall
+  GRBreadconcurrentsettings(GRBmodel *model, const char *filename);
+int __stdcall
+  GRBreadmultiobjsettings(GRBmodel *model, const char *filename);
+int __stdcall
+  GRBreadtunebasesettings(GRBenv *env, const char *filename);
 int __stdcall
   GRBgetnumparams(GRBenv *env);
 int __stdcall
-  GRBgetparamname(GRBenv *env, int i, char **paramnameP);
+  GRBgetparamname(GRBenv *env, int parnum, char **paramnameP);
 int __stdcall
   GRBgetnumattributes(GRBmodel *model);
 int __stdcall
@@ -1390,10 +1500,13 @@ int __stdcall
 
 /* Environment routines */
 
+#define GRBloadenv(envP, logfilename) GRBloadenvinternal(envP, logfilename, GRB_VERSION_MAJOR, GRB_VERSION_MINOR, GRB_VERSION_TECHNICAL)
+#define GRBemptyenv(envP) GRBemptyenvinternal(envP, GRB_VERSION_MAJOR, GRB_VERSION_MINOR, GRB_VERSION_TECHNICAL)
+
 int __stdcall
-  GRBloadenv(GRBenv **envP, const char *logfilename);
+GRBloadenvinternal(GRBenv **envP, const char *logfilename, int major, int minor, int tech);
 int __stdcall
-  GRBemptyenv(GRBenv **envP);
+GRBemptyenvinternal(GRBenv **envP, int major, int minor, int tech);
 int __stdcall
   GRBstartenv(GRBenv *env);
 int __stdcall
@@ -1402,33 +1515,9 @@ int __stdcall
                 const char *server, const char *router,
                 const char *password, const char *group,
                 int priority, int idletimeout,
-                const char *accessid, const char *secretkey,
+                const char *cloudaccessid, const char *cloudsecretkey,
                 int (__stdcall *cb)(CB_ARGS), void *usrdata,
                 int (__stdcall *logcb)(LOGCB_ARGS), void *logdata);
-GRB_DEPRECATED("Replaced by GRBemptyenv() and parameter settings",
-int __stdcall
-  GRBloadclientenv(GRBenv **envP, const char *logfilename,
-                   const char *computeserver, const char *router,
-                   const char *password, const char *group, int CStlsinsecure,
-                   int priority, double timeout));
-int __stdcall
-  GRBloadclientenvadv(GRBenv **envP, const char *logfilename,
-                      const char *computeserver, const char *router,
-                      const char *password, const char *group, int CStlsinsecure,
-                      int priority, double timeout, int apitype,
-                      int major, int minor, int tech,
-                      int (__stdcall *cb)(CB_ARGS), void *usrdata);
-GRB_DEPRECATED("Replaced by GRBemptyenv() and parameter settings",
-int __stdcall
-  GRBloadcloudenv(GRBenv **envP, const char *logfilename,
-                  const char *accessID, const char *secretKey,
-                  const char *pool, int priority));
-int __stdcall
-  GRBloadcloudenvadv(GRBenv **envP, const char *logfilename,
-                     const char *accessID, const char *secretKey,
-                     const char *pool, int priority, int apitype, int major,
-                     int minor, int tech,
-                     int (__stdcall *cb)(CB_ARGS), void *usrdata);
 GRBenv *__stdcall
   GRBgetenv(GRBmodel *model);
 GRBenv *__stdcall
@@ -1461,6 +1550,9 @@ void __stdcall
 void __stdcall
   GRBversion(int *majorP, int *minorP, int *technicalP);
 
+void __stdcall
+  GRBgetdistro(char *str);
+
 char * __stdcall
   GRBplatform(void);
 
@@ -1470,18 +1562,8 @@ char * __stdcall
 int __stdcall
   GRBlisttokens(void);
 
-/* Tuning */
-
-void __stdcall
-  GRBprinttuneparams(void);
-int __stdcall
-  GRBtunemodel(GRBmodel *model);
-int __stdcall
-  GRBtunemodels(GRBenv *env, int nummodels, GRBmodel **models);
 int __stdcall
-  GRBgettuneresult(GRBmodel *model, int i);
-int __stdcall
-  GRBgettunelog(GRBmodel *model, int i, char **logP);
+  GRBgetwlstokenlifespan(GRBenv *env, int *lifespanP);
 
 /* Used in Matlab API */
 void __stdcall
@@ -1544,6 +1626,20 @@ int __stdcall
 
 int __stdcall
   GRBprefetchattr(GRBmodel *model, const char *attrname);
+/* Tuning */
+
+int __stdcall
+  GRBtunemodel(GRBmodel *model);
+int __stdcall
+  GRBtunemodels(GRBenv *env, int nummodels, GRBmodel **models);
+int __stdcall
+  GRBgettuneresult(GRBmodel *model, int i);
+int __stdcall
+  GRBgettunelog(GRBmodel *model, int i, char **logP);
+int __stdcall
+  GRBwritetunelog(GRBmodel *model, int result, const char *filename);
+void __stdcall
+  GRBtuneparamsPrint(void);
  
 #ifdef __cplusplus
 }
diff --git a/ilpy/impl/solvers/GurobiBackend.cpp b/ilpy/impl/solvers/GurobiBackend.cpp
index ce6986e..7917fb9 100644
--- a/ilpy/impl/solvers/GurobiBackend.cpp
+++ b/ilpy/impl/solvers/GurobiBackend.cpp
@@ -142,7 +142,7 @@ GurobiBackend::setConstraints(const Constraints &constraints)
     if (numConstrs > 0)
     {
         int *constraintIndicies = new int[numConstrs];
-        for (unsigned int i = 0; i < numConstrs; i++)
+        for (int i = 0; i < numConstrs; i++)
             constraintIndicies[i] = i;
 
         GRB_CHECK(GRBdelconstrs(_model, numConstrs, constraintIndicies));
diff --git a/ilpy/impl/solvers/ScipBackend.cpp b/ilpy/impl/solvers/ScipBackend.cpp
index 03045e5..8d1f7ad 100644
--- a/ilpy/impl/solvers/ScipBackend.cpp
+++ b/ilpy/impl/solvers/ScipBackend.cpp
@@ -52,7 +52,7 @@ ScipBackend::initialize(
 	// delete previous variables
 	freeVariables();
 
-	for (int i = 0; i < _numVariables; i++) {
+	for (unsigned int i = 0; i < _numVariables; i++) {
 
 		SCIP_VAR* v;
 		std::string name("x");
diff --git a/pyproject.toml b/pyproject.toml
index c4d010d..13c0774 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -23,6 +23,7 @@ dev = [
     "ruff",
     "mypy",
     "pytest",
+    "ipython",
     "pytest-cov",
     "cython",
     "setuptools==71.1.0",
diff --git a/setup.py b/setup.py
index 30f414d..31c7ae9 100644
--- a/setup.py
+++ b/setup.py
@@ -11,7 +11,7 @@
 libraries = ["libscip"] if os.name == "nt" else ["scip"]
 include_dirs = ["ilpy/impl"]
 library_dirs = []
-compile_args = ["-O3", "-DHAVE_SCIP"]
+compile_args = ["-O3", "-DHAVE_SCIP", "-Wno-unreachable-code"]
 if os.name == "nt":
     compile_args.append("/std:c++17")
 else:
@@ -27,7 +27,7 @@
 # look for various gurobi versions, which are annoyingly
 # suffixed with the version number, and wildcards don't work
 
-for v in range(80, 200):
+for v in range(100, 150):
     GUROBI_LIB = f"libgurobi{v}" if os.name == "nt" else f"gurobi{v}"
     if (gurolib := util.find_library(GUROBI_LIB)) is not None:
         print("FOUND GUROBI library: ", gurolib)
@@ -37,7 +37,6 @@
 else:
     print("WARNING: GUROBI library not found")
 
-
 wrapper = Extension(
     "ilpy.wrapper",
     sources=["ilpy/wrapper.pyx"],

From 1d0b9bda2b847b6f501cf77bd9648cd41dd56011 Mon Sep 17 00:00:00 2001
From: Talley Lambert <talley.lambert@gmail.com>
Date: Sun, 8 Dec 2024 08:55:29 -0500
Subject: [PATCH 02/26] switch compile arg

---
 pyproject.toml | 15 ++++++++-------
 setup.py       |  5 ++---
 2 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/pyproject.toml b/pyproject.toml
index 13c0774..394fa55 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -14,7 +14,12 @@ authors = [
     { email = "talley.lambert@gmail.com", name = "Talley Lambert" },
 ]
 dynamic = ["version", "readme"]
-dependencies = []
+# these are required... but hard to install from pypi
+# we list them here for completeness, but it's up to the user to install them :(
+dependencies = [
+    # "gurobi==12.0.0",
+    # "scip==9.1.0",
+]
 
 # extras
 # https://peps.python.org/pep-0621/#dependencies-optional-dependencies
@@ -28,13 +33,9 @@ dev = [
     "cython",
     "setuptools==71.1.0",
     "numpy",
-    "gurobipy",  # used on CI to confirm equality of results
-]
-docs = [
-    "sphinx",
-    "sphinx_rtd_theme",
-    "sphinx-autodoc-typehints",
+    "gurobipy",           # used on CI to confirm equality of results
 ]
+docs = ["sphinx", "sphinx_rtd_theme", "sphinx-autodoc-typehints"]
 
 [project.urls]
 homepage = "https://github.com/funkelab/ilpy"
diff --git a/setup.py b/setup.py
index 31c7ae9..7e65843 100644
--- a/setup.py
+++ b/setup.py
@@ -11,11 +11,10 @@
 libraries = ["libscip"] if os.name == "nt" else ["scip"]
 include_dirs = ["ilpy/impl"]
 library_dirs = []
-compile_args = ["-O3", "-DHAVE_SCIP", "-Wno-unreachable-code"]
 if os.name == "nt":
-    compile_args.append("/std:c++17")
+    compile_args = ["/O2", "/DHAVE_SCIP", "/std:c++17", "/wd4702"]
 else:
-    compile_args.append("-std=c++17")
+    compile_args = ["-O3", "-DHAVE_SCIP", "-std=c++17", "-Wno-unreachable-code"]
 
 # include conda environment windows include/lib if it exists
 # this will be done automatically by conda build, but is useful if someone

From e2de0f9717a347db775d2a31201db93657374ec9 Mon Sep 17 00:00:00 2001
From: Talley Lambert <talley.lambert@gmail.com>
Date: Sun, 8 Dec 2024 08:56:22 -0500
Subject: [PATCH 03/26] also with gurobi

---
 setup.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/setup.py b/setup.py
index 7e65843..01c8d95 100644
--- a/setup.py
+++ b/setup.py
@@ -31,7 +31,7 @@
     if (gurolib := util.find_library(GUROBI_LIB)) is not None:
         print("FOUND GUROBI library: ", gurolib)
         libraries.append(GUROBI_LIB)
-        compile_args.append("-DHAVE_GUROBI")
+        compile_args.append("/DHAVE_GUROBI" if os.name == "nt" else "-DHAVE_GUROBI")
         break
 else:
     print("WARNING: GUROBI library not found")

From 67ff753138fdffba0e49c33ee5a67e64a12a2a62 Mon Sep 17 00:00:00 2001
From: Talley Lambert <talley.lambert@gmail.com>
Date: Sun, 8 Dec 2024 08:59:39 -0500
Subject: [PATCH 04/26] change gurobi search pattern

---
 setup.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/setup.py b/setup.py
index 01c8d95..8e701ef 100644
--- a/setup.py
+++ b/setup.py
@@ -1,3 +1,4 @@
+from itertools import product
 import os
 from ctypes import util
 
@@ -26,8 +27,8 @@
 # look for various gurobi versions, which are annoyingly
 # suffixed with the version number, and wildcards don't work
 
-for v in range(100, 150):
-    GUROBI_LIB = f"libgurobi{v}" if os.name == "nt" else f"gurobi{v}"
+for v, prefix in product(range(100, 150, 10), ("lib", "")):
+    GUROBI_LIB = f"{prefix}gurobi{v}"
     if (gurolib := util.find_library(GUROBI_LIB)) is not None:
         print("FOUND GUROBI library: ", gurolib)
         libraries.append(GUROBI_LIB)

From 4fbea3c79a639dbf48424ade30b2352973f2754b Mon Sep 17 00:00:00 2001
From: Talley Lambert <talley.lambert@gmail.com>
Date: Sun, 8 Dec 2024 09:15:40 -0500
Subject: [PATCH 05/26] try more exhaustive search

---
 setup.py | 33 ++++++++++++++++++++++++++++++---
 1 file changed, 30 insertions(+), 3 deletions(-)

diff --git a/setup.py b/setup.py
index 8e701ef..4d5bc09 100644
--- a/setup.py
+++ b/setup.py
@@ -27,10 +27,37 @@
 # look for various gurobi versions, which are annoyingly
 # suffixed with the version number, and wildcards don't work
 
+
+def find_conda_gurobi() -> tuple[str, str] | tuple[None, None]:
+    conda_prefix = os.environ.get("CONDA_PREFIX")
+    if not conda_prefix:
+        raise RuntimeError(
+            "No active Conda environment found. Activate an environment before running."
+        )
+
+    # Construct the potential library paths
+    library_paths = [
+        os.path.join(conda_prefix, "Library", "bin"),  # Windows DLLs
+        os.path.join(conda_prefix, "lib"),  # macOS/Linux
+    ]
+
+    for lib_path in library_paths:
+        if os.path.exists(lib_path):
+            os.environ["PATH"] += os.pathsep + lib_path  # Dynamically add to PATH
+
+    # Search for Gurobi in the active Conda environment
+    for v, prefix in product(range(100, 150, 10), ("lib", "")):
+        gurobi_lib = f"{prefix}gurobi{v}"
+        if found := util.find_library(gurobi_lib):
+            return gurobi_lib, found
+
+    return (None, None)
+
+
 for v, prefix in product(range(100, 150, 10), ("lib", "")):
-    GUROBI_LIB = f"{prefix}gurobi{v}"
-    if (gurolib := util.find_library(GUROBI_LIB)) is not None:
-        print("FOUND GUROBI library: ", gurolib)
+    GUROBI_LIB, lib_path = find_conda_gurobi()
+    if GUROBI_LIB is not None:
+        print(f"FOUND GUROBI library {GUROBI_LIB!r}: {lib_path}")
         libraries.append(GUROBI_LIB)
         compile_args.append("/DHAVE_GUROBI" if os.name == "nt" else "-DHAVE_GUROBI")
         break

From cbe6a25d65c546e1cbbb7cd898b9f1ae5646f9ff Mon Sep 17 00:00:00 2001
From: Talley Lambert <talley.lambert@gmail.com>
Date: Sun, 8 Dec 2024 09:24:55 -0500
Subject: [PATCH 06/26] another print

---
 setup.py | 30 +++++++++++++++++-------------
 1 file changed, 17 insertions(+), 13 deletions(-)

diff --git a/setup.py b/setup.py
index 4d5bc09..f3b5d5c 100644
--- a/setup.py
+++ b/setup.py
@@ -1,6 +1,6 @@
-from itertools import product
 import os
 from ctypes import util
+from itertools import product
 
 from Cython.Build import cythonize
 from setuptools import setup
@@ -8,6 +8,10 @@
 
 # enable test coverage tracing if CYTHON_TRACE is set to a non-zero value
 CYTHON_TRACE = int(os.getenv("CYTHON_TRACE") in ("1", "True"))
+if not (CONDA_PREFIX := os.environ.get("CONDA_PREFIX")):
+    raise RuntimeError(
+        "No active Conda environment found. Activate an environment before running."
+    )
 
 libraries = ["libscip"] if os.name == "nt" else ["scip"]
 include_dirs = ["ilpy/impl"]
@@ -20,25 +24,25 @@
 # include conda environment windows include/lib if it exists
 # this will be done automatically by conda build, but is useful if someone
 # tries to build this directly with pip install in a conda environment
-if os.name == "nt" and "CONDA_PREFIX" in os.environ:
-    include_dirs.append(os.path.join(os.environ["CONDA_PREFIX"], "Library", "include"))
-    library_dirs.append(os.path.join(os.environ["CONDA_PREFIX"], "Library", "lib"))
+if os.name == "nt":
+    include = os.path.join(CONDA_PREFIX, "Library", "include")
+    include_dirs.append(include)
+    library_dirs.append(os.path.join(CONDA_PREFIX, "Library", "lib"))
+    if not os.path.exists(include):
+        print(
+            "WARNING: Conda include directory not found. "
+            "Ensure you have the Conda environment activated."
+        )
 
 # look for various gurobi versions, which are annoyingly
 # suffixed with the version number, and wildcards don't work
 
 
-def find_conda_gurobi() -> tuple[str, str] | tuple[None, None]:
-    conda_prefix = os.environ.get("CONDA_PREFIX")
-    if not conda_prefix:
-        raise RuntimeError(
-            "No active Conda environment found. Activate an environment before running."
-        )
-
+def find_conda_gurobi() -> "tuple[str, str] | tuple[None, None]":
     # Construct the potential library paths
     library_paths = [
-        os.path.join(conda_prefix, "Library", "bin"),  # Windows DLLs
-        os.path.join(conda_prefix, "lib"),  # macOS/Linux
+        os.path.join(str(CONDA_PREFIX), "Library", "bin"),  # Windows DLLs
+        os.path.join(str(CONDA_PREFIX), "lib"),  # macOS/Linux
     ]
 
     for lib_path in library_paths:

From a0af3989dbf7e6239b9a7d034731d7052f24b627 Mon Sep 17 00:00:00 2001
From: Talley Lambert <talley.lambert@gmail.com>
Date: Sun, 8 Dec 2024 09:27:40 -0500
Subject: [PATCH 07/26] more debug

---
 setup.py | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)

diff --git a/setup.py b/setup.py
index f3b5d5c..c95fac6 100644
--- a/setup.py
+++ b/setup.py
@@ -1,3 +1,4 @@
+import glob
 import os
 from ctypes import util
 from itertools import product
@@ -6,6 +7,41 @@
 from setuptools import setup
 from setuptools.extension import Extension
 
+print("PATH:", os.environ["PATH"])
+print("CONDA_PREFIX:", os.environ.get("CONDA_PREFIX"))
+
+
+def assert_gurobi_and_scip() -> None:
+    # Get the Conda environment prefix
+    conda_prefix = os.environ.get("CONDA_PREFIX")
+    if not conda_prefix:
+        raise RuntimeError("CONDA_PREFIX is not set. Ensure Conda is active in CI.")
+
+    # Paths to check
+    gurobi_dll_path = os.path.join(conda_prefix, "Library", "bin", "gurobi*.dll")
+    scip_header_path = os.path.join(
+        conda_prefix, "Library", "include", "scip", "scipdefplugins.h"
+    )
+
+    # Verify Gurobi DLL
+    gurobi_found = any(os.path.exists(path) for path in glob.glob(gurobi_dll_path))
+    if not gurobi_found:
+        raise FileNotFoundError(
+            f"Gurobi DLL not found in {gurobi_dll_path}. Ensure Gurobi is installed."
+        )
+
+    # Verify SCIP header
+    if not os.path.exists(scip_header_path):
+        raise FileNotFoundError(
+            f"SCIP header 'scipdefplugins.h' not found in {scip_header_path}. "
+            "Ensure SCIP is installed."
+        )
+
+    print("All required files are present.")
+
+if os.name == "nt":
+    assert_gurobi_and_scip()
+
 # enable test coverage tracing if CYTHON_TRACE is set to a non-zero value
 CYTHON_TRACE = int(os.getenv("CYTHON_TRACE") in ("1", "True"))
 if not (CONDA_PREFIX := os.environ.get("CONDA_PREFIX")):

From 62a356cf64cf2ad28745ed287833137a6042bf88 Mon Sep 17 00:00:00 2001
From: Talley Lambert <talley.lambert@gmail.com>
Date: Sun, 8 Dec 2024 09:38:39 -0500
Subject: [PATCH 08/26] print output

---
 setup.py | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)

diff --git a/setup.py b/setup.py
index c95fac6..5eb8f9b 100644
--- a/setup.py
+++ b/setup.py
@@ -11,6 +11,40 @@
 print("CONDA_PREFIX:", os.environ.get("CONDA_PREFIX"))
 
 
+def debug_conda_env() -> None:
+    conda_prefix = os.environ.get("CONDA_PREFIX")
+    if not conda_prefix:
+        raise RuntimeError("No active Conda environment found. Ensure Conda is active.")
+    print()
+    # Check Gurobi DLL directory
+    if os.name == "nt":
+        bin_dir = os.path.join(conda_prefix, "Library", "bin")
+    else:
+        bin_dir = os.path.join(conda_prefix, "lib")
+    print(f"Inspecting bin directory: {bin_dir}")
+    if os.path.exists(bin_dir):
+        for file in glob.glob(os.path.join(bin_dir, "*gurobi*")):
+            print(f"  Found: {file}")
+        for file in glob.glob(os.path.join(bin_dir, "*scip*")):
+            print(f"  Found: {file}")
+    else:
+        print("Gurobi bin directory does not exist!")
+
+    print()
+    # Check SCIP include directory
+    if os.name == "nt":
+        inc_dir = os.path.join(conda_prefix, "Library", "include")
+    else:
+        inc_dir = os.path.join(conda_prefix, "include")
+    print(f"Inspecting include directory: {inc_dir}")
+    if os.path.exists(inc_dir):
+        for file in glob.glob(os.path.join(inc_dir, "**/*scip/")):
+            print(f"  Found: {file}")
+    else:
+        print("SCIP include directory does not exist!")
+    print()
+
+
 def assert_gurobi_and_scip() -> None:
     # Get the Conda environment prefix
     conda_prefix = os.environ.get("CONDA_PREFIX")
@@ -39,6 +73,8 @@ def assert_gurobi_and_scip() -> None:
 
     print("All required files are present.")
 
+
+debug_conda_env()
 if os.name == "nt":
     assert_gurobi_and_scip()
 

From 80a8bd65e2aa9d7be7b468882c3d56e87cdffc6e Mon Sep 17 00:00:00 2001
From: Talley Lambert <talley.lambert@gmail.com>
Date: Sun, 8 Dec 2024 09:42:28 -0500
Subject: [PATCH 09/26] more print

---
 setup.py | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/setup.py b/setup.py
index 5eb8f9b..c868151 100644
--- a/setup.py
+++ b/setup.py
@@ -33,12 +33,12 @@ def debug_conda_env() -> None:
     print()
     # Check SCIP include directory
     if os.name == "nt":
-        inc_dir = os.path.join(conda_prefix, "Library", "include")
+        inc_dir = os.path.join(conda_prefix, "Library", "include", "scip")
     else:
-        inc_dir = os.path.join(conda_prefix, "include")
+        inc_dir = os.path.join(conda_prefix, "include", "scip")
     print(f"Inspecting include directory: {inc_dir}")
     if os.path.exists(inc_dir):
-        for file in glob.glob(os.path.join(inc_dir, "**/*scip/")):
+        for file in glob.glob(os.path.join(inc_dir, "*")):
             print(f"  Found: {file}")
     else:
         print("SCIP include directory does not exist!")

From 2e8fb35c9aba05edfa869cd6eaa5b08a3e76bb8a Mon Sep 17 00:00:00 2001
From: Talley Lambert <talley.lambert@gmail.com>
Date: Sun, 8 Dec 2024 09:48:51 -0500
Subject: [PATCH 10/26] more stupid prints

---
 setup.py | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/setup.py b/setup.py
index c868151..4f8db3e 100644
--- a/setup.py
+++ b/setup.py
@@ -27,6 +27,9 @@ def debug_conda_env() -> None:
             print(f"  Found: {file}")
         for file in glob.glob(os.path.join(bin_dir, "*scip*")):
             print(f"  Found: {file}")
+        # print the whole damn directory
+        for file in glob.glob(os.path.join(bin_dir, "*")):
+            print(f"  Found: {file}")
     else:
         print("Gurobi bin directory does not exist!")
 
@@ -42,6 +45,10 @@ def debug_conda_env() -> None:
             print(f"  Found: {file}")
     else:
         print("SCIP include directory does not exist!")
+        # print parent directory
+        print(f"  Parent directory: {os.path.dirname(inc_dir)}")
+        for file in glob.glob(os.path.join(os.path.dirname(inc_dir), "*")):
+            print(f"  Found: {file}")
     print()
 
 

From 64010e28ff673e6831462422220192ee6ef60ea4 Mon Sep 17 00:00:00 2001
From: Talley Lambert <talley.lambert@gmail.com>
Date: Sun, 8 Dec 2024 09:53:56 -0500
Subject: [PATCH 11/26] use conda

---
 .github/workflows/ci.yaml | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 83860dc..9ecf9ea 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -60,12 +60,11 @@ jobs:
         with:
           python-version: ${{ matrix.python-version }}
           miniforge-version: latest
-          use-mamba: true
           channels: conda-forge,gurobi,defaults
           channel-priority: true
 
       - name: install build deps
-        run: mamba install scip=9.1.0 gurobi=12.0.0 gcovr
+        run: conda install scip=9.1.0 gurobi=12.0.0 gcovr
 
       - name: add gurobi license
         shell: bash

From 4734059a53755c751c62e4b58d556e5d246305a2 Mon Sep 17 00:00:00 2001
From: Talley Lambert <talley.lambert@gmail.com>
Date: Sun, 8 Dec 2024 10:01:28 -0500
Subject: [PATCH 12/26] try again

---
 .github/workflows/ci.yaml | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 9ecf9ea..2c9ce0f 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -60,11 +60,12 @@ jobs:
         with:
           python-version: ${{ matrix.python-version }}
           miniforge-version: latest
-          channels: conda-forge,gurobi,defaults
           channel-priority: true
 
       - name: install build deps
-        run: conda install scip=9.1.0 gurobi=12.0.0 gcovr
+        run: |
+          conda install -c conda-forge scip=9.1.0 gcovr
+          conda install -c gurobi gurobi=12.0.0
 
       - name: add gurobi license
         shell: bash

From 67f0672761cb1d724cd4aee1279438f6cf61a9f3 Mon Sep 17 00:00:00 2001
From: Talley Lambert <talley.lambert@gmail.com>
Date: Sun, 8 Dec 2024 10:02:44 -0500
Subject: [PATCH 13/26] update install and conda list

---
 .github/workflows/ci.yaml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 2c9ce0f..cb4e2be 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -64,8 +64,7 @@ jobs:
 
       - name: install build deps
         run: |
-          conda install -c conda-forge scip=9.1.0 gcovr
-          conda install -c gurobi gurobi=12.0.0
+          conda install -c conda-forge -c gurobi gurobi=12.0.0 scip=9.1.0 gcovr
 
       - name: add gurobi license
         shell: bash
@@ -78,6 +77,7 @@ jobs:
 
       - name: install package
         run: |
+          conda list
           python -m pip install -U pip
           python -m pip install -e .[dev]
           python setup.py build_ext --inplace  # required for C coverage

From 5f81cda3c7ffc84935df0768d8e45480c1023d95 Mon Sep 17 00:00:00 2001
From: Talley Lambert <talley.lambert@gmail.com>
Date: Sun, 8 Dec 2024 10:18:14 -0500
Subject: [PATCH 14/26] downgrade gurobi

---
 .github/workflows/ci.yaml |   2 +-
 ilpy/impl/gurobi_c.h      | 144 +++++++++-----------------------------
 pyproject.toml            |   2 +-
 setup.py                  |  16 ++---
 4 files changed, 43 insertions(+), 121 deletions(-)

diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index cb4e2be..428bae8 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -64,7 +64,7 @@ jobs:
 
       - name: install build deps
         run: |
-          conda install -c conda-forge -c gurobi gurobi=12.0.0 scip=9.1.0 gcovr
+          conda install -c conda-forge -c gurobi gurobi=11.0.3 scip=9.1.0 gcovr
 
       - name: add gurobi license
         shell: bash
diff --git a/ilpy/impl/gurobi_c.h b/ilpy/impl/gurobi_c.h
index fcb1ee9..ca93f29 100644
--- a/ilpy/impl/gurobi_c.h
+++ b/ilpy/impl/gurobi_c.h
@@ -40,9 +40,9 @@ typedef struct _GRBenv GRBenv;
 
 /* Version numbers */
 
-#define GRB_VERSION_MAJOR     12
+#define GRB_VERSION_MAJOR     11
 #define GRB_VERSION_MINOR     0
-#define GRB_VERSION_TECHNICAL 0
+#define GRB_VERSION_TECHNICAL 3
 
 /* Default and max priority for Compute Server jobs */
 
@@ -255,15 +255,9 @@ int __stdcall
                            void           **logdataP);
 
 int __stdcall
-  GRBcbproceed(void *cbdata);
+  GRBcbproceed(void *cbdata_in);
 int __stdcall
   GRBcbget(void *cbdata, int where, int what, void *resultP);
-int __stdcall
-  GRBcbsetintparam(void *cbdata, const char *paramname, int newvalue);
-int __stdcall
-  GRBcbsetdblparam(void *cbdata, const char *paramname, double newvalue);
-int __stdcall
-  GRBcbsetstrparam(void *cbdata, const char *paramname, const char *newvalue);
 int __stdcall
   GRBcbsetparam(void *cbdata, const char *paramname, const char *newvalue);
 int __stdcall
@@ -401,8 +395,7 @@ int __stdcall
 
 #define GRB_DBL_ATTR_X         "X"         /* Solution value */
 #define GRB_DBL_ATTR_XN        "Xn"        /* Alternate MIP solution, depends on solutionnumber */
-#define GRB_DBL_ATTR_BARX      "BarX"      /* Best barrier primal iterate */
-#define GRB_DBL_ATTR_BARPI     "BarPi"     /* Best barrier dual iterate */
+#define GRB_DBL_ATTR_BARX      "BarX"      /* Best barrier iterate */
 #define GRB_DBL_ATTR_RC        "RC"        /* Reduced costs */
 #define GRB_DBL_ATTR_VDUALNORM "VDualNorm" /* Dual norm square */
 #define GRB_INT_ATTR_VBASIS    "VBasis"    /* Variable basis status */
@@ -538,12 +531,6 @@ int __stdcall
 #define GRB_INT_ATTR_NUMSTART     "NumStart"     /* number of MIP starts */
 
 
-/* Memory consumption statistics */
-
-#define GRB_DBL_ATTR_MEMUSED      "MemUsed"        /* current amount of allocated memory (in GB) in master environment */
-#define GRB_DBL_ATTR_MAXMEMUSED   "MaxMemUsed"     /* maximum amount of allocated memory (in GB) in master environment */
-
-
 /* Alternate define */
 
 #define GRB_DBL_ATTR_Xn "Xn"
@@ -556,42 +543,18 @@ int __stdcall
 #define GRB_GENCONSTR_AND         3
 #define GRB_GENCONSTR_OR          4
 #define GRB_GENCONSTR_NORM        5
-#define GRB_GENCONSTR_NL          6
-#define GRB_GENCONSTR_INDICATOR   7
-#define GRB_GENCONSTR_PWL         8
-#define GRB_GENCONSTR_POLY        9
-#define GRB_GENCONSTR_EXP        10
-#define GRB_GENCONSTR_EXPA       11
-#define GRB_GENCONSTR_LOG        12
-#define GRB_GENCONSTR_LOGA       13
-#define GRB_GENCONSTR_POW        14
-#define GRB_GENCONSTR_SIN        15
-#define GRB_GENCONSTR_COS        16
-#define GRB_GENCONSTR_TAN        17
-#define GRB_GENCONSTR_LOGISTIC   18
-
-#define NUMGENCONSTYPES          19
-
-/* Operation codes for genconstrNL */
-
-#define GRB_OPCODE_CONSTANT      0
-#define GRB_OPCODE_VARIABLE      1
-#define GRB_OPCODE_PLUS          2
-#define GRB_OPCODE_MINUS         3
-#define GRB_OPCODE_MULTIPLY      4
-#define GRB_OPCODE_DIVIDE        5
-#define GRB_OPCODE_UMINUS        6
-#define GRB_OPCODE_SQUARE        7
-#define GRB_OPCODE_SQRT          8
-#define GRB_OPCODE_SIN           9
-#define GRB_OPCODE_COS           10
-#define GRB_OPCODE_TAN           11
-#define GRB_OPCODE_POW           12
-#define GRB_OPCODE_EXP           13
-#define GRB_OPCODE_LOG           14
-#define GRB_OPCODE_LOG2          15
-#define GRB_OPCODE_LOG10         16
-#define GRB_OPCODE_LOGISTIC      17
+#define GRB_GENCONSTR_INDICATOR   6
+#define GRB_GENCONSTR_PWL         7
+#define GRB_GENCONSTR_POLY        8
+#define GRB_GENCONSTR_EXP         9
+#define GRB_GENCONSTR_EXPA       10
+#define GRB_GENCONSTR_LOG        11
+#define GRB_GENCONSTR_LOGA       12
+#define GRB_GENCONSTR_POW        13
+#define GRB_GENCONSTR_SIN        14
+#define GRB_GENCONSTR_COS        15
+#define GRB_GENCONSTR_TAN        16
+#define GRB_GENCONSTR_LOGISTIC   17
 
 /*
    CALLBACKS
@@ -656,8 +619,6 @@ int __stdcall
 #define GRB_CB_MSG_STRING  6001
 #define GRB_CB_RUNTIME     6002
 #define GRB_CB_WORK        6003
-#define GRB_CB_MEMUSED     6004
-#define GRB_CB_MAXMEMUSED  6005
 
 #define GRB_CB_BARRIER_ITRCNT  7001
 #define GRB_CB_BARRIER_PRIMOBJ 7002
@@ -669,23 +630,6 @@ int __stdcall
 #define GRB_CB_MULTIOBJ_OBJCNT  8001
 #define GRB_CB_MULTIOBJ_SOLCNT  8002
 #define GRB_CB_MULTIOBJ_SOL     8003
-#define GRB_CB_MULTIOBJ_ITRCNT  8004
-#define GRB_CB_MULTIOBJ_OBJBST  8005 /* if single objective is an LP we
-                                      * still do not have a "_OBJVAL", the
-                                      * user can query the _OBJBST/_OBJBND
-                                      * values instead */
-#define GRB_CB_MULTIOBJ_OBJBND  8006
-#define GRB_CB_MULTIOBJ_STATUS  8007
-#define GRB_CB_MULTIOBJ_MIPGAP  8008
-#define GRB_CB_MULTIOBJ_NODCNT  8009
-#define GRB_CB_MULTIOBJ_NODLFT  8010
-#define GRB_CB_MULTIOBJ_RUNTIME 8011
-#define GRB_CB_MULTIOBJ_WORK    8012
-/* TODO maybe we should also support, think about in MIP/LP cases if not applicable
-#define GRB_CB_MULTIOBJ_PRIMINF 8012
-#define GRB_CB_MULTIOBJ_DUALINF 8013
-#define GRB_CB_MULTIOBJ_ISPERT  8014
-*/
 
 #define GRB_CB_IIS_CONSTRMIN    9001
 #define GRB_CB_IIS_CONSTRMAX    9002
@@ -734,9 +678,6 @@ int __stdcall
 int __stdcall
   GRBgetgenconstrNorm(GRBmodel *model, int genconstr, int *resvarP,
                       int *nvarsP, int *vars, double *whichP);
-int __stdcall
-GRBgetgenconstrNL(GRBmodel *model, int genconstr, int *resvarP, int *nnodesP,
-                  int *opcode, double *data, int *parent);
 int __stdcall
   GRBgetgenconstrIndicator(GRBmodel *model, int genconstr, int *binvarP, int *binvalP,
                            int *nvarsP, int *vars, double *vals,
@@ -804,8 +745,6 @@ int __stdcall
                double *feasobjP);
 int __stdcall
   GRBsinglescenariomodel(GRBmodel *model, GRBmodel **singlescenarioP);
-int __stdcall
-  GRBconverttofixed(GRBmodel *model);
 
 /* Undocumented routines */
 
@@ -813,6 +752,8 @@ int __stdcall
   GRBgetcbwhatinfo(void *cbdata, int what, int *typeP, int *sizeP);
 int __stdcall
   GRBrelaxmodel(GRBmodel *model, GRBmodel **relaxedP);
+int __stdcall
+  GRBconverttofixed(GRBmodel *model);
 int __stdcall
   GRBpresolvemodel(GRBmodel *model, GRBmodel **presolvedP);
 int __stdcall
@@ -835,17 +776,15 @@ int __stdcall
 #define THREADCREATECB_ARGS void **threadP, void (*start_routine)(void *), void *arg, void *syscbusrdata
 #define THREADJOINCB_ARGS void *thread, void *syscbusrdata
 
-#define GRBemptyenvadv(envP, malloccb, callocbc, realloccb, freecb, threadcreatecb, threadjoincb, syscbusrdata) GRBemptyenvadvinternal(envP, -1, GRB_VERSION_MAJOR, GRB_VERSION_MINOR, GRB_VERSION_TECHNICAL, malloccb, callocbc, realloccb, freecb, threadcreatecb, threadjoincb, syscbusrdata)
-
 int __stdcall
-  GRBemptyenvadvnocheck(GRBenv **envP,
-                        void * (__stdcall *malloccb)(MALLOCCB_ARGS),
-                        void * (__stdcall *calloccb)(CALLOCCB_ARGS),
-                        void * (__stdcall *realloccb)(REALLOCCB_ARGS),
-                        void   (__stdcall *freecb)(FREECB_ARGS),
-                        int    (__stdcall *threadcreatecb)(THREADCREATECB_ARGS),
-                        void   (__stdcall *threadjoincb)(THREADJOINCB_ARGS),
-                        void              *syscbusrdata);
+  GRBemptyenvadv(GRBenv **envP,
+                 void * (__stdcall *malloccb)(MALLOCCB_ARGS),
+                 void * (__stdcall *calloccb)(CALLOCCB_ARGS),
+                 void * (__stdcall *realloccb)(REALLOCCB_ARGS),
+                 void   (__stdcall *freecb)(FREECB_ARGS),
+                 int    (__stdcall *threadcreatecb)(THREADCREATECB_ARGS),
+                 void   (__stdcall *threadjoincb)(THREADJOINCB_ARGS),
+                 void              *syscbusrdata);
 
 int __stdcall
   GRBemptyenvadvinternal(GRBenv **envP, int apitype, int major, int minor, int tech,
@@ -957,10 +896,6 @@ int __stdcall
 int __stdcall
   GRBaddgenconstrNorm(GRBmodel *model, const char *name,
                       int resvar, int nvars, const int *vars, double which);
-int __stdcall
-GRBaddgenconstrNL(GRBmodel *model,
-                  const char *name, int resvar, int nnodes, const int *opcode,
-                  const double *data, const int *parent);
 int __stdcall
   GRBaddgenconstrIndicator(GRBmodel *model, const char *name,
                            int binvar, int binval, int nvars, const int *vars,
@@ -1032,7 +967,10 @@ int __stdcall
   GRBupdatemodel(GRBmodel *model);
 
 int __stdcall
-  GRBreset(GRBmodel *model, int clearall);
+GRBreset(GRBmodel *model, int clearall);
+
+int __stdcall
+  GRBresetmodel(GRBmodel *model);
 
 int __stdcall
   GRBfreemodel(GRBmodel *model);
@@ -1215,7 +1153,6 @@ int __stdcall
 #define GRB_INT_PAR_PSDCUTS         "PSDCuts"
 #define GRB_INT_PAR_LIFTPROJECTCUTS "LiftProjectCuts"
 #define GRB_INT_PAR_MIXINGCUTS      "MixingCuts"
-#define GRB_INT_PAR_DUALIMPLIEDCUTS "DualImpliedCuts"
 
 #define GRB_INT_PAR_CUTAGGPASSES    "CutAggPasses"
 #define GRB_INT_PAR_CUTPASSES       "CutPasses"
@@ -1256,8 +1193,6 @@ int __stdcall
 #define GRB_DBL_PAR_WLSTOKENREFRESH   "WLSTokenRefresh"
 #define GRB_STR_PAR_WLSTOKEN          "WLSToken"
 #define GRB_INT_PAR_LICENSEID         "LicenseID"
-#define GRB_STR_PAR_WLSPROXY          "WLSProxy"
-#define GRB_STR_PAR_WLSCONFIG         "WLSConfig"
 
 
 /* Other */
@@ -1298,7 +1233,6 @@ int __stdcall
 #define GRB_INT_PAR_SEED              "Seed"
 #define GRB_INT_PAR_SOLUTIONTARGET    "SolutionTarget"
 #define GRB_INT_PAR_THREADS           "Threads"
-#define GRB_INT_PAR_THREADLIMIT       "ThreadLimit"
 #define GRB_DBL_PAR_TUNETIMELIMIT     "TuneTimeLimit"
 #define GRB_INT_PAR_TUNERESULTS       "TuneResults"
 #define GRB_INT_PAR_TUNECRITERION     "TuneCriterion"
@@ -1417,6 +1351,8 @@ int __stdcall
 
 int __stdcall
   GRBcheckmodel(GRBmodel *model);
+void __stdcall
+  GRBsetsignal(GRBmodel *model);
 void __stdcall
   GRBterminate(GRBmodel *model);
 int __stdcall
@@ -1434,9 +1370,6 @@ void __stdcall
 void __stdcall
   GRBclean3(int *lenP, int *ind0, int *ind1, double *val);
 
-int __stdcall
-  GRBprintquality(GRBmodel *model);
-
 /* Logging */
 
 void __stdcall
@@ -1483,10 +1416,6 @@ int __stdcall
   GRBwriteparams(GRBenv *env, const char *filename);
 int __stdcall
   GRBreadparams(GRBenv *env, const char *filename);
-int __stdcall
-  GRBreadconcurrentsettings(GRBmodel *model, const char *filename);
-int __stdcall
-  GRBreadmultiobjsettings(GRBmodel *model, const char *filename);
 int __stdcall
   GRBreadtunebasesettings(GRBenv *env, const char *filename);
 int __stdcall
@@ -1500,13 +1429,10 @@ int __stdcall
 
 /* Environment routines */
 
-#define GRBloadenv(envP, logfilename) GRBloadenvinternal(envP, logfilename, GRB_VERSION_MAJOR, GRB_VERSION_MINOR, GRB_VERSION_TECHNICAL)
-#define GRBemptyenv(envP) GRBemptyenvinternal(envP, GRB_VERSION_MAJOR, GRB_VERSION_MINOR, GRB_VERSION_TECHNICAL)
-
 int __stdcall
-GRBloadenvinternal(GRBenv **envP, const char *logfilename, int major, int minor, int tech);
+  GRBloadenv(GRBenv **envP, const char *logfilename);
 int __stdcall
-GRBemptyenvinternal(GRBenv **envP, int major, int minor, int tech);
+  GRBemptyenv(GRBenv **envP);
 int __stdcall
   GRBstartenv(GRBenv *env);
 int __stdcall
@@ -1636,8 +1562,6 @@ int __stdcall
   GRBgettuneresult(GRBmodel *model, int i);
 int __stdcall
   GRBgettunelog(GRBmodel *model, int i, char **logP);
-int __stdcall
-  GRBwritetunelog(GRBmodel *model, int result, const char *filename);
 void __stdcall
   GRBtuneparamsPrint(void);
  
diff --git a/pyproject.toml b/pyproject.toml
index 394fa55..a6225e8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -17,7 +17,7 @@ dynamic = ["version", "readme"]
 # these are required... but hard to install from pypi
 # we list them here for completeness, but it's up to the user to install them :(
 dependencies = [
-    # "gurobi==12.0.0",
+    # "gurobi==11.0.3",
     # "scip==9.1.0",
 ]
 
diff --git a/setup.py b/setup.py
index 4f8db3e..3f5c75f 100644
--- a/setup.py
+++ b/setup.py
@@ -129,21 +129,19 @@ def find_conda_gurobi() -> "tuple[str, str] | tuple[None, None]":
             os.environ["PATH"] += os.pathsep + lib_path  # Dynamically add to PATH
 
     # Search for Gurobi in the active Conda environment
-    for v, prefix in product(range(100, 150, 10), ("lib", "")):
-        gurobi_lib = f"{prefix}gurobi{v}"
+    for prefix in ("lib", ""):
+        gurobi_lib = f"{prefix}gurobi110"
         if found := util.find_library(gurobi_lib):
             return gurobi_lib, found
 
     return (None, None)
 
 
-for v, prefix in product(range(100, 150, 10), ("lib", "")):
-    GUROBI_LIB, lib_path = find_conda_gurobi()
-    if GUROBI_LIB is not None:
-        print(f"FOUND GUROBI library {GUROBI_LIB!r}: {lib_path}")
-        libraries.append(GUROBI_LIB)
-        compile_args.append("/DHAVE_GUROBI" if os.name == "nt" else "-DHAVE_GUROBI")
-        break
+GUROBI_LIB, lib_path = find_conda_gurobi()
+if GUROBI_LIB is not None:
+    print(f"FOUND GUROBI library {GUROBI_LIB!r}: {lib_path}")
+    libraries.append(GUROBI_LIB)
+    compile_args.append("/DHAVE_GUROBI" if os.name == "nt" else "-DHAVE_GUROBI")
 else:
     print("WARNING: GUROBI library not found")
 

From 2e3a16c164afee5b09d219aa411595d1524f0e30 Mon Sep 17 00:00:00 2001
From: Talley Lambert <talley.lambert@gmail.com>
Date: Sun, 8 Dec 2024 10:31:13 -0500
Subject: [PATCH 15/26] show all gurobi stuff

---
 .github/workflows/ci.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 428bae8..045353f 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -65,9 +65,9 @@ jobs:
       - name: install build deps
         run: |
           conda install -c conda-forge -c gurobi gurobi=11.0.3 scip=9.1.0 gcovr
+          find $CONDA_PREFIX -name "*gurobi*"
 
       - name: add gurobi license
-        shell: bash
         id: write-license
         env:
           LICENSE: ${{ secrets.GRB_LICENSE_FILE   }}

From 6c9bab0560d84a708d1a178a5de2589d40d90c9e Mon Sep 17 00:00:00 2001
From: Talley Lambert <talley.lambert@gmail.com>
Date: Sun, 8 Dec 2024 10:34:47 -0500
Subject: [PATCH 16/26] simplify setup again

---
 setup.py | 130 +++++--------------------------------------------------
 1 file changed, 11 insertions(+), 119 deletions(-)

diff --git a/setup.py b/setup.py
index 3f5c75f..ff4157e 100644
--- a/setup.py
+++ b/setup.py
@@ -1,96 +1,12 @@
-import glob
 import os
 from ctypes import util
-from itertools import product
 
 from Cython.Build import cythonize
 from setuptools import setup
 from setuptools.extension import Extension
 
-print("PATH:", os.environ["PATH"])
-print("CONDA_PREFIX:", os.environ.get("CONDA_PREFIX"))
-
-
-def debug_conda_env() -> None:
-    conda_prefix = os.environ.get("CONDA_PREFIX")
-    if not conda_prefix:
-        raise RuntimeError("No active Conda environment found. Ensure Conda is active.")
-    print()
-    # Check Gurobi DLL directory
-    if os.name == "nt":
-        bin_dir = os.path.join(conda_prefix, "Library", "bin")
-    else:
-        bin_dir = os.path.join(conda_prefix, "lib")
-    print(f"Inspecting bin directory: {bin_dir}")
-    if os.path.exists(bin_dir):
-        for file in glob.glob(os.path.join(bin_dir, "*gurobi*")):
-            print(f"  Found: {file}")
-        for file in glob.glob(os.path.join(bin_dir, "*scip*")):
-            print(f"  Found: {file}")
-        # print the whole damn directory
-        for file in glob.glob(os.path.join(bin_dir, "*")):
-            print(f"  Found: {file}")
-    else:
-        print("Gurobi bin directory does not exist!")
-
-    print()
-    # Check SCIP include directory
-    if os.name == "nt":
-        inc_dir = os.path.join(conda_prefix, "Library", "include", "scip")
-    else:
-        inc_dir = os.path.join(conda_prefix, "include", "scip")
-    print(f"Inspecting include directory: {inc_dir}")
-    if os.path.exists(inc_dir):
-        for file in glob.glob(os.path.join(inc_dir, "*")):
-            print(f"  Found: {file}")
-    else:
-        print("SCIP include directory does not exist!")
-        # print parent directory
-        print(f"  Parent directory: {os.path.dirname(inc_dir)}")
-        for file in glob.glob(os.path.join(os.path.dirname(inc_dir), "*")):
-            print(f"  Found: {file}")
-    print()
-
-
-def assert_gurobi_and_scip() -> None:
-    # Get the Conda environment prefix
-    conda_prefix = os.environ.get("CONDA_PREFIX")
-    if not conda_prefix:
-        raise RuntimeError("CONDA_PREFIX is not set. Ensure Conda is active in CI.")
-
-    # Paths to check
-    gurobi_dll_path = os.path.join(conda_prefix, "Library", "bin", "gurobi*.dll")
-    scip_header_path = os.path.join(
-        conda_prefix, "Library", "include", "scip", "scipdefplugins.h"
-    )
-
-    # Verify Gurobi DLL
-    gurobi_found = any(os.path.exists(path) for path in glob.glob(gurobi_dll_path))
-    if not gurobi_found:
-        raise FileNotFoundError(
-            f"Gurobi DLL not found in {gurobi_dll_path}. Ensure Gurobi is installed."
-        )
-
-    # Verify SCIP header
-    if not os.path.exists(scip_header_path):
-        raise FileNotFoundError(
-            f"SCIP header 'scipdefplugins.h' not found in {scip_header_path}. "
-            "Ensure SCIP is installed."
-        )
-
-    print("All required files are present.")
-
-
-debug_conda_env()
-if os.name == "nt":
-    assert_gurobi_and_scip()
-
 # enable test coverage tracing if CYTHON_TRACE is set to a non-zero value
 CYTHON_TRACE = int(os.getenv("CYTHON_TRACE") in ("1", "True"))
-if not (CONDA_PREFIX := os.environ.get("CONDA_PREFIX")):
-    raise RuntimeError(
-        "No active Conda environment found. Activate an environment before running."
-    )
 
 libraries = ["libscip"] if os.name == "nt" else ["scip"]
 include_dirs = ["ilpy/impl"]
@@ -103,48 +19,24 @@ def assert_gurobi_and_scip() -> None:
 # include conda environment windows include/lib if it exists
 # this will be done automatically by conda build, but is useful if someone
 # tries to build this directly with pip install in a conda environment
-if os.name == "nt":
-    include = os.path.join(CONDA_PREFIX, "Library", "include")
-    include_dirs.append(include)
-    library_dirs.append(os.path.join(CONDA_PREFIX, "Library", "lib"))
-    if not os.path.exists(include):
-        print(
-            "WARNING: Conda include directory not found. "
-            "Ensure you have the Conda environment activated."
-        )
+if os.name == "nt" and "CONDA_PREFIX" in os.environ:
+    include_dirs.append(os.path.join(os.environ["CONDA_PREFIX"], "Library", "include"))
+    library_dirs.append(os.path.join(os.environ["CONDA_PREFIX"], "Library", "lib"))
 
 # look for various gurobi versions, which are annoyingly
 # suffixed with the version number, and wildcards don't work
 
-
-def find_conda_gurobi() -> "tuple[str, str] | tuple[None, None]":
-    # Construct the potential library paths
-    library_paths = [
-        os.path.join(str(CONDA_PREFIX), "Library", "bin"),  # Windows DLLs
-        os.path.join(str(CONDA_PREFIX), "lib"),  # macOS/Linux
-    ]
-
-    for lib_path in library_paths:
-        if os.path.exists(lib_path):
-            os.environ["PATH"] += os.pathsep + lib_path  # Dynamically add to PATH
-
-    # Search for Gurobi in the active Conda environment
-    for prefix in ("lib", ""):
-        gurobi_lib = f"{prefix}gurobi110"
-        if found := util.find_library(gurobi_lib):
-            return gurobi_lib, found
-
-    return (None, None)
-
-
-GUROBI_LIB, lib_path = find_conda_gurobi()
-if GUROBI_LIB is not None:
-    print(f"FOUND GUROBI library {GUROBI_LIB!r}: {lib_path}")
-    libraries.append(GUROBI_LIB)
-    compile_args.append("/DHAVE_GUROBI" if os.name == "nt" else "-DHAVE_GUROBI")
+for prefix in ("lib", ""):
+    gurobi_lib = f"{prefix}gurobi110"  # only using gurobi 11 at the moment
+    if found := util.find_library(gurobi_lib):
+        print("FOUND GUROBI library: ", found)
+        libraries.append(gurobi_lib)
+        compile_args.append("/DHAVE_GUROBI" if os.name == 'nt' else "-DHAVE_GUROBI")
+        break
 else:
     print("WARNING: GUROBI library not found")
 
+
 wrapper = Extension(
     "ilpy.wrapper",
     sources=["ilpy/wrapper.pyx"],

From d162dd8cd6b5b3183ffc0db83bdc21985759a48e Mon Sep 17 00:00:00 2001
From: Talley Lambert <talley.lambert@gmail.com>
Date: Sun, 8 Dec 2024 10:43:54 -0500
Subject: [PATCH 17/26] add one more path

---
 setup.py | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/setup.py b/setup.py
index ff4157e..890d8e0 100644
--- a/setup.py
+++ b/setup.py
@@ -5,6 +5,15 @@
 from setuptools import setup
 from setuptools.extension import Extension
 
+CONDA_PREFIX = os.environ.get("CONDA_PREFIX")
+if not CONDA_PREFIX:
+    raise ValueError("CONDA_PREFIX not set, did you active a conda environment?")
+
+# gurobi seems to be putting its libraries in the top of the conda env
+os.environ["PATH"] += os.pathsep + CONDA_PREFIX
+print("CONDA_PREFIX:", CONDA_PREFIX)
+print("PATH:", os.environ["PATH"])
+
 # enable test coverage tracing if CYTHON_TRACE is set to a non-zero value
 CYTHON_TRACE = int(os.getenv("CYTHON_TRACE") in ("1", "True"))
 

From 2e52d07dcf17bc422f00ada277f50941ee657808 Mon Sep 17 00:00:00 2001
From: Talley Lambert <talley.lambert@gmail.com>
Date: Sun, 8 Dec 2024 10:46:16 -0500
Subject: [PATCH 18/26] linting

---
 setup.py | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/setup.py b/setup.py
index 890d8e0..0673497 100644
--- a/setup.py
+++ b/setup.py
@@ -6,11 +6,12 @@
 from setuptools.extension import Extension
 
 CONDA_PREFIX = os.environ.get("CONDA_PREFIX")
-if not CONDA_PREFIX:
-    raise ValueError("CONDA_PREFIX not set, did you active a conda environment?")
+if CONDA_PREFIX:
+    os.environ["PATH"] += os.pathsep + CONDA_PREFIX
+else:
+    print("CONDA_PREFIX not set!, did you active a conda environment?")
 
 # gurobi seems to be putting its libraries in the top of the conda env
-os.environ["PATH"] += os.pathsep + CONDA_PREFIX
 print("CONDA_PREFIX:", CONDA_PREFIX)
 print("PATH:", os.environ["PATH"])
 
@@ -40,7 +41,7 @@
     if found := util.find_library(gurobi_lib):
         print("FOUND GUROBI library: ", found)
         libraries.append(gurobi_lib)
-        compile_args.append("/DHAVE_GUROBI" if os.name == 'nt' else "-DHAVE_GUROBI")
+        compile_args.append("/DHAVE_GUROBI" if os.name == "nt" else "-DHAVE_GUROBI")
         break
 else:
     print("WARNING: GUROBI library not found")

From e9bbaaacd200c8c703e687b55a83cf1f8c26ca45 Mon Sep 17 00:00:00 2001
From: Talley Lambert <talley.lambert@gmail.com>
Date: Sun, 8 Dec 2024 10:55:08 -0500
Subject: [PATCH 19/26] add conda_prefix to library_dirs

---
 README.md      | 13 ++++++-------
 pyproject.toml | 13 +++++++------
 setup.py       |  2 +-
 3 files changed, 14 insertions(+), 14 deletions(-)

diff --git a/README.md b/README.md
index d424317..28d9cb7 100644
--- a/README.md
+++ b/README.md
@@ -16,17 +16,16 @@ conda install -c funkelab ilpy
 
 ## Local development
 
-ilpy links against SCIP, so you must have SCIP installed in your environment.
-(You can install via conda)
+Clone the repo and install in editable mode.
 
-```bash
-conda install scip==9.1.0
-```
-
-Then clone the repo and install in editable mode.
+Note, `ilpy` links against SCIP, so you must have SCIP installed in your environment,
+in order to build:
 
 ```bash
 git clone <your-fork>
 cd ilpy
+
+conda create -n ilpy -c conda-forge -c gurobi python scip==9.1.0 gurobi==11.0.3
+conda activate ilpy
 pip install -e .[dev]
 ```
diff --git a/pyproject.toml b/pyproject.toml
index a6225e8..99df3c7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -25,15 +25,16 @@ dependencies = [
 # https://peps.python.org/pep-0621/#dependencies-optional-dependencies
 [project.optional-dependencies]
 dev = [
-    "ruff",
-    "mypy",
-    "pytest",
+    "cython",
+    "gurobipy",           # used on CI to confirm equality of results
     "ipython",
+    "mypy",
+    "numpy",
+    "pre-commit",
     "pytest-cov",
-    "cython",
+    "pytest",
+    "ruff",
     "setuptools==71.1.0",
-    "numpy",
-    "gurobipy",           # used on CI to confirm equality of results
 ]
 docs = ["sphinx", "sphinx_rtd_theme", "sphinx-autodoc-typehints"]
 
diff --git a/setup.py b/setup.py
index 0673497..ff58feb 100644
--- a/setup.py
+++ b/setup.py
@@ -20,7 +20,7 @@
 
 libraries = ["libscip"] if os.name == "nt" else ["scip"]
 include_dirs = ["ilpy/impl"]
-library_dirs = []
+library_dirs = [CONDA_PREFIX] if CONDA_PREFIX else []
 if os.name == "nt":
     compile_args = ["/O2", "/DHAVE_SCIP", "/std:c++17", "/wd4702"]
 else:

From a0847236f46b170ab11b64e07d8037c344397131 Mon Sep 17 00:00:00 2001
From: Talley Lambert <talley.lambert@gmail.com>
Date: Sun, 8 Dec 2024 11:00:02 -0500
Subject: [PATCH 20/26] update pre-commit

---
 .pre-commit-config.yaml | 6 +++---
 README.md               | 7 +++++++
 ilpy/__init__.py        | 2 +-
 ilpy/expressions.py     | 8 ++++----
 4 files changed, 15 insertions(+), 8 deletions(-)

diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 7e35fa3..a9dabd5 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -5,20 +5,20 @@ ci:
 
 repos:
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.3.4
+    rev: v0.8.2
     hooks:
       - id: ruff
         args: [--fix]
       - id: ruff-format
 
   - repo: https://github.com/MarcoGorelli/cython-lint
-    rev: v0.16.0
+    rev: v0.16.6
     hooks:
       - id: cython-lint
       - id: double-quote-cython-strings
 
   - repo: https://github.com/pre-commit/mirrors-mypy
-    rev: v1.9.0
+    rev: v1.13.0
     hooks:
       - id: mypy
         files: "^ilpy/"
diff --git a/README.md b/README.md
index 28d9cb7..ac64326 100644
--- a/README.md
+++ b/README.md
@@ -29,3 +29,10 @@ conda create -n ilpy -c conda-forge -c gurobi python scip==9.1.0 gurobi==11.0.3
 conda activate ilpy
 pip install -e .[dev]
 ```
+
+If you make local change and want to rebuild the extension quickly, you can run:
+
+```bash
+rm -rf build
+python setup.py build_ext --inplace
+```
diff --git a/ilpy/__init__.py b/ilpy/__init__.py
index 8888331..4a0938a 100644
--- a/ilpy/__init__.py
+++ b/ilpy/__init__.py
@@ -33,11 +33,11 @@
     "Scip",
     "Sense",
     "Solution",
-    "solve",
     "Solver",
     "Solver",
     "Variable",
     "VariableType",
+    "solve",
 ]
 
 
diff --git a/ilpy/expressions.py b/ilpy/expressions.py
index 9595374..601cf74 100644
--- a/ilpy/expressions.py
+++ b/ilpy/expressions.py
@@ -2,7 +2,7 @@
 
 import ast
 import sys
-from collections.abc import Iterator, Sequence
+from collections.abc import Iterator
 from contextlib import contextmanager
 from typing import Any, ClassVar, Union
 
@@ -22,7 +22,7 @@ def recursion_limit_raised_by(N: int = 5000) -> Iterator[None]:
         sys.setrecursionlimit(old_limit)
 
 
-class Expression(ast.AST):
+class Expression(ast.expr):
     """Base class for all expression nodes.
 
     Expressions allow ilpy to represent mathematical expressions in an
@@ -147,8 +147,8 @@ class Compare(Expression, ast.Compare):
     def __init__(
         self,
         left: Expression,
-        ops: Sequence[ast.cmpop],
-        comparators: Sequence[Expression | Number],
+        ops: list[ast.cmpop],
+        comparators: list[Expression | Number],
         **kwargs: Any,
     ) -> None:
         super().__init__(

From 211b9b0f941be4a73f075c1d5ba782ea73d582f5 Mon Sep 17 00:00:00 2001
From: Talley Lambert <talley.lambert@gmail.com>
Date: Sun, 8 Dec 2024 11:18:09 -0500
Subject: [PATCH 21/26] try generate

---
 .github/workflows/ci.yaml |  8 ++++++++
 generate_lib.bat          | 27 +++++++++++++++++++++++++++
 2 files changed, 35 insertions(+)
 create mode 100644 generate_lib.bat

diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 045353f..6067b68 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -66,6 +66,14 @@ jobs:
         run: |
           conda install -c conda-forge -c gurobi gurobi=11.0.3 scip=9.1.0 gcovr
           find $CONDA_PREFIX -name "*gurobi*"
+      
+      - name: create windows .lib
+        if: runner.os == 'Windows'
+        shell: cmd
+        run: | 
+          echo %CONDA_PREFIX%
+          dir %CONDA_PREFIX%\gurobi110.dll
+          call generat_lib.bat
 
       - name: add gurobi license
         id: write-license
diff --git a/generate_lib.bat b/generate_lib.bat
new file mode 100644
index 0000000..a7302b6
--- /dev/null
+++ b/generate_lib.bat
@@ -0,0 +1,27 @@
+@echo off
+set DLL_PATH=%CONDA_PREFIX%\gurobi110.dll
+set DEF_NAME=gurobi110.def
+set LIB_NAME=gurobi110.lib
+
+:: Check if the DLL exists
+if not exist "%DLL_PATH%" (
+    echo Error: %DLL_PATH% not found.
+    exit /b 1
+)
+
+:: Generate .def file from dumpbin output
+dumpbin /exports "%DLL_PATH%" > temp_exports.txt
+
+:: Extract relevant lines for the .def file
+echo LIBRARY gurobi110 > %DEF_NAME%
+echo EXPORTS >> %DEF_NAME%
+findstr /r "^[0-9A-F]" temp_exports.txt | for /f "tokens=4" %%G in ('findstr /r "^[0-9A-F]" temp_exports.txt') do echo %%G >> %DEF_NAME%
+
+:: Create .lib from the .def file
+lib /def:%DEF_NAME% /out:%LIB_NAME% /machine:x64
+
+:: Print success message
+echo Successfully generated %LIB_NAME%
+
+:: Cleanup
+del temp_exports.txt

From 5a08ea0cb71223a66bc392af9b1f2eb4894703df Mon Sep 17 00:00:00 2001
From: Talley Lambert <talley.lambert@gmail.com>
Date: Sun, 8 Dec 2024 11:36:03 -0500
Subject: [PATCH 22/26] fix typo

---
 .github/workflows/ci.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 6067b68..343edf9 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -73,7 +73,7 @@ jobs:
         run: | 
           echo %CONDA_PREFIX%
           dir %CONDA_PREFIX%\gurobi110.dll
-          call generat_lib.bat
+          call generate_lib.bat
 
       - name: add gurobi license
         id: write-license

From 70ea959092d4e7b8763aa6ac00fdf56df28dc965 Mon Sep 17 00:00:00 2001
From: Talley Lambert <talley.lambert@gmail.com>
Date: Sun, 8 Dec 2024 11:41:34 -0500
Subject: [PATCH 23/26] use bash

---
 .github/workflows/ci.yaml | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 343edf9..f3d8707 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -69,11 +69,10 @@ jobs:
       
       - name: create windows .lib
         if: runner.os == 'Windows'
-        shell: cmd
         run: | 
           echo %CONDA_PREFIX%
-          dir %CONDA_PREFIX%\gurobi110.dll
-          call generate_lib.bat
+          ls $CONDA_PREFIX
+          cmd.exe /c "generate_lib.bat"
 
       - name: add gurobi license
         id: write-license

From 56c06f7669c5fa05ea60ec6940907d91530879e6 Mon Sep 17 00:00:00 2001
From: Talley Lambert <talley.lambert@gmail.com>
Date: Sun, 8 Dec 2024 11:50:51 -0500
Subject: [PATCH 24/26] same dir

---
 .github/workflows/ci.yaml |  2 +-
 generate_lib.bat          | 16 +++++++++++-----
 2 files changed, 12 insertions(+), 6 deletions(-)

diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index f3d8707..99c77d7 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -71,8 +71,8 @@ jobs:
         if: runner.os == 'Windows'
         run: | 
           echo %CONDA_PREFIX%
-          ls $CONDA_PREFIX
           cmd.exe /c "generate_lib.bat"
+          ls $CONDA_PREFIX
 
       - name: add gurobi license
         id: write-license
diff --git a/generate_lib.bat b/generate_lib.bat
index a7302b6..97ba3ec 100644
--- a/generate_lib.bat
+++ b/generate_lib.bat
@@ -1,7 +1,7 @@
-@echo off
 set DLL_PATH=%CONDA_PREFIX%\gurobi110.dll
 set DEF_NAME=gurobi110.def
 set LIB_NAME=gurobi110.lib
+set OUTPUT_DIR=%~dpDLL_PATH%
 
 :: Check if the DLL exists
 if not exist "%DLL_PATH%" (
@@ -17,11 +17,17 @@ echo LIBRARY gurobi110 > %DEF_NAME%
 echo EXPORTS >> %DEF_NAME%
 findstr /r "^[0-9A-F]" temp_exports.txt | for /f "tokens=4" %%G in ('findstr /r "^[0-9A-F]" temp_exports.txt') do echo %%G >> %DEF_NAME%
 
-:: Create .lib from the .def file
-lib /def:%DEF_NAME% /out:%LIB_NAME% /machine:x64
+:: Create .lib in the same directory as the DLL
+lib /def:%DEF_NAME% /out:%OUTPUT_DIR%%LIB_NAME% /machine:x64
 
-:: Print success message
-echo Successfully generated %LIB_NAME%
+:: Verify .lib creation
+if not exist "%OUTPUT_DIR%%LIB_NAME%" (
+    echo Error: Failed to generate %LIB_NAME% next to the DLL.
+    exit /b 1
+)
+
+:: Success message
+echo Successfully generated %OUTPUT_DIR%%LIB_NAME%
 
 :: Cleanup
 del temp_exports.txt

From 950def46aedfd0971bd8c1856bb86271f921d149 Mon Sep 17 00:00:00 2001
From: Talley Lambert <talley.lambert@gmail.com>
Date: Sun, 8 Dec 2024 11:57:06 -0500
Subject: [PATCH 25/26] don't use gurobi on windows

---
 .github/workflows/ci.yaml | 15 +++++----------
 generate_lib.bat          | 33 ---------------------------------
 2 files changed, 5 insertions(+), 43 deletions(-)
 delete mode 100644 generate_lib.bat

diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 99c77d7..eb07cf7 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -63,16 +63,11 @@ jobs:
           channel-priority: true
 
       - name: install build deps
-        run: |
-          conda install -c conda-forge -c gurobi gurobi=11.0.3 scip=9.1.0 gcovr
-          find $CONDA_PREFIX -name "*gurobi*"
-      
-      - name: create windows .lib
-        if: runner.os == 'Windows'
-        run: | 
-          echo %CONDA_PREFIX%
-          cmd.exe /c "generate_lib.bat"
-          ls $CONDA_PREFIX
+        run: conda install -c conda-forge scip=9.1.0 gcovr
+
+      - name: install gurobi
+        if: runner.os != 'Windows'
+        run: conda install -c gurobi gurobi=11.0.3
 
       - name: add gurobi license
         id: write-license
diff --git a/generate_lib.bat b/generate_lib.bat
deleted file mode 100644
index 97ba3ec..0000000
--- a/generate_lib.bat
+++ /dev/null
@@ -1,33 +0,0 @@
-set DLL_PATH=%CONDA_PREFIX%\gurobi110.dll
-set DEF_NAME=gurobi110.def
-set LIB_NAME=gurobi110.lib
-set OUTPUT_DIR=%~dpDLL_PATH%
-
-:: Check if the DLL exists
-if not exist "%DLL_PATH%" (
-    echo Error: %DLL_PATH% not found.
-    exit /b 1
-)
-
-:: Generate .def file from dumpbin output
-dumpbin /exports "%DLL_PATH%" > temp_exports.txt
-
-:: Extract relevant lines for the .def file
-echo LIBRARY gurobi110 > %DEF_NAME%
-echo EXPORTS >> %DEF_NAME%
-findstr /r "^[0-9A-F]" temp_exports.txt | for /f "tokens=4" %%G in ('findstr /r "^[0-9A-F]" temp_exports.txt') do echo %%G >> %DEF_NAME%
-
-:: Create .lib in the same directory as the DLL
-lib /def:%DEF_NAME% /out:%OUTPUT_DIR%%LIB_NAME% /machine:x64
-
-:: Verify .lib creation
-if not exist "%OUTPUT_DIR%%LIB_NAME%" (
-    echo Error: Failed to generate %LIB_NAME% next to the DLL.
-    exit /b 1
-)
-
-:: Success message
-echo Successfully generated %OUTPUT_DIR%%LIB_NAME%
-
-:: Cleanup
-del temp_exports.txt

From 173e52327f3cf1d66fd014d5f8541e328f429bd4 Mon Sep 17 00:00:00 2001
From: Talley Lambert <talley.lambert@gmail.com>
Date: Sun, 8 Dec 2024 12:16:46 -0500
Subject: [PATCH 26/26] last try

---
 pyproject.toml | 2 +-
 setup.py       | 4 +---
 2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/pyproject.toml b/pyproject.toml
index 99df3c7..288a19d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -26,7 +26,7 @@ dependencies = [
 [project.optional-dependencies]
 dev = [
     "cython",
-    "gurobipy",           # used on CI to confirm equality of results
+    "gurobipy==11.0.3; sys_platform!='windows' and python_version<'3.12'", # used to confirm equality of results
     "ipython",
     "mypy",
     "numpy",
diff --git a/setup.py b/setup.py
index ff58feb..cdda3cc 100644
--- a/setup.py
+++ b/setup.py
@@ -7,13 +7,11 @@
 
 CONDA_PREFIX = os.environ.get("CONDA_PREFIX")
 if CONDA_PREFIX:
+    # gurobi seems to be putting its libraries in the top of the conda env
     os.environ["PATH"] += os.pathsep + CONDA_PREFIX
 else:
     print("CONDA_PREFIX not set!, did you active a conda environment?")
 
-# gurobi seems to be putting its libraries in the top of the conda env
-print("CONDA_PREFIX:", CONDA_PREFIX)
-print("PATH:", os.environ["PATH"])
 
 # enable test coverage tracing if CYTHON_TRACE is set to a non-zero value
 CYTHON_TRACE = int(os.getenv("CYTHON_TRACE") in ("1", "True"))