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387FLOAT.4TH
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// Floating point package for 80387 hardware
// Written by : Luke Lee
// Version 1.0
// Last update 08/26/'95
// Before you FLOAD this package, if you defined a word named "NOFMACRO"
// then all the floating operations will be treated as normal words instead
// of macros .
: 387FLOAT ;
NEEDS FLOAT.4TH
NEEDS CPU80486.4TH
: FMACRO (( -- ))
[ #DEFINED NOFMACRO NOT ] #IF
MACRO
#ENDIF ; 0 0 #PARMS
: S>F (( n -- f ))
INLINE[
EBP { EBP 2 CELLS - } LEA
{ EBP } EAX MOV
DWORD^ { EBP } FILD
QWORD^ { EBP } FSTP ]INLINE // 32bit integer
DROP ; FMACRO 1 2 #PARMS
: D>F (( d -- f ))
SWAP DUP
INLINE[
QWORD^ { EBP } FILD
QWORD^ { EBP } FSTP ]INLINE // 64bit integer
DROP ; FMACRO 1 2 #PARMS
: F>S (( f -- n ))
DUP
INLINE[
QWORD^ { EBP } FLD
DWORD^ { EBP } FISTP // 32bit integer
EAX { EBP } MOV
EBP { EBP 2 CELLS + } LEA ]INLINE
; FMACRO 2 1 #PARMS
: F>D (( f -- d ))
DUP
INLINE[
QWORD^ { EBP } FLD
QWORD^ { EBP } FISTP ]INLINE // 64bit integer
DROP SWAP ; FMACRO 2 2 #PARMS
: FABS (( f -- |f| ))
DUP
INLINE[
QWORD^ { EBP } FLD
FABS
QWORD^ { EBP } FSTP ]INLINE
DROP ; FMACRO 2 2 #PARMS
: FNEG (( f -- -f ))
DUP
INLINE[
FLDZ
QWORD^ { EBP } FLD
FSUB
QWORD^ { EBP } FSTP ]INLINE
DROP ; FMACRO 2 2 #PARMS
' FNEG ALIAS FNEGATE
: FSQRT (( f -- f' ))
DUP
INLINE[
QWORD^ { EBP } FLD
FSQRT
QWORD^ { EBP } FSTP ]INLINE
DROP ; FMACRO 2 2 #PARMS
HIDDEN ALSO DEFINITIONS
: F0(>=<)(begin) (( -- ))
DUP
INLINE[
FLDZ
QWORD^ { EBP } FLD
FCOMPP
AX FNSTSW
SAHF
]INLINE ; MACRO COMPILEONLY
: F0(>=<)(end) (( -- ))
INLINE[
AL 1 # SHR
EAX EAX SBB
EBP { EBP 8 + } LEA
]INLINE ; MACRO COMPILEONLY
: F(>=<)(BEGIN) (( -- ))
DUP
INLINE[
QWORD^ { EBP } FLD
QWORD^ { EBP 8 + } FLD
FCOMPP
AX FNSTSW
SAHF
]INLINE ; MACRO COMPILEONLY
: F(>=<)(END) (( -- ))
INLINE[
AL 1 # SHR
EAX EAX SBB
EBP { EBP 16 + } LEA
]INLINE ; MACRO COMPILEONLY
: F(+-*/)(BEGIN) (( -- ))
DUP
INLINE[ QWORD^ { EBP 2 CELLS + } FLD ]INLINE
; MACRO COMPILEONLY
: F(+-*/)(END) (( -- ))
INLINE[
QWORD^ { EBP 2 CELLS + } FSTP
EAX { EBP 2 CELLS + } MOV
EBP { EBP 3 CELLS + } LEA
]INLINE ; MACRO COMPILEONLY
FORTH DEFINITIONS
: F0> (( f -- T ))
F0(>=<)(begin)
INLINE[ AL SETA ]INLINE
F0(>=<)(end) ; 2 1 #PARMS FMACRO
: F0>= (( f -- T ))
F0(>=<)(begin)
INLINE[ AL SETAE ]INLINE
F0(>=<)(end) ; 2 1 #PARMS FMACRO
: F0<= (( f -- T ))
F0(>=<)(begin)
INLINE[ AL SETBE ]INLINE
F0(>=<)(end) ; 2 1 #PARMS FMACRO
: F0< (( f -- T ))
F0(>=<)(begin)
INLINE[ AL SETB ]INLINE
F0(>=<)(end) ; 2 1 #PARMS FMACRO
: F0= (( fn -- T )) OR 0= ; 2 1 #PARMS FMACRO
: F0<> (( fn -- T )) OR 0<> ; 2 1 #PARMS FMACRO
: F> (( f1 f2 -- f ))
F(>=<)(BEGIN)
INLINE[ AL SETA ]INLINE
F(>=<)(END) ; 4 1 #PARMS FMACRO
: F>= (( f1 f2 -- f ))
F(>=<)(BEGIN)
INLINE[ AL SETAE ]INLINE
F(>=<)(END) ; 4 1 #PARMS FMACRO
: F<= (( f1 f2 -- f ))
F(>=<)(BEGIN)
INLINE[ AL SETBE ]INLINE
F(>=<)(END) ; 4 1 #PARMS FMACRO
: F< (( f1 f2 -- f ))
F(>=<)(BEGIN)
INLINE[ AL SETB ]INLINE
F(>=<)(END) ; 4 1 #PARMS FMACRO
: F= (( f1 f2 -- f )) ROT = -ROT = AND ; 4 1 #PARMS FMACRO
: F<> (( f1 f2 -- f )) ROT <> -ROT <> OR ; 4 1 #PARMS FMACRO
: F+ (( f1 f2 -- f1+f2 ))
F(+-*/)(BEGIN)
INLINE[ QWORD^ { EBP } FADD ]INLINE
F(+-*/)(END) ; 4 2 #PARMS FMACRO
: F- (( f1 f2 -- f1-f2 ))
F(+-*/)(BEGIN)
INLINE[ QWORD^ { EBP } FSUB ]INLINE
F(+-*/)(END) ; 4 2 #PARMS FMACRO
: F* (( f1 f2 -- f1*f2 ))
F(+-*/)(BEGIN)
INLINE[ QWORD^ { EBP } FMUL ]INLINE
F(+-*/)(END) ; 4 2 #PARMS FMACRO
: F/ (( f1 f2 -- f1/f2 ))
F(+-*/)(BEGIN)
INLINE[ QWORD^ { EBP } FDIV ]INLINE
F(+-*/)(END) ; 4 2 #PARMS FMACRO
: FR- (( f1 f2 -- f2-f1 ))
F(+-*/)(BEGIN)
INLINE[ QWORD^ { EBP } FSUBR ]INLINE
F(+-*/)(END) ; 4 2 #PARMS FMACRO
: FR/ (( f1 f2 -- f2/f1 ))
F(+-*/)(BEGIN)
INLINE[ QWORD^ { EBP } FDIVR ]INLINE
F(+-*/)(END) ; 4 2 #PARMS FMACRO
: 1/F (( f -- 1/f ))
DUP
INLINE[
FLD1
QWORD^ { EBP } FDIV
QWORD^ { EBP } FSTP ]INLINE
DROP ; 2 2 #PARMS FMACRO
: FSIN (( f -- sinf ))
DUP
INLINE[
QWORD^ { EBP } FLD
FSIN
QWORD^ { EBP } FSTP ]INLINE
DROP ; 2 2 #PARMS FMACRO
: FCOS (( f -- cosf ))
DUP
INLINE[
QWORD^ { EBP } FLD
FCOS
QWORD^ { EBP } FSTP ]INLINE
DROP ; 2 2 #PARMS FMACRO
: FTAN (( f -- tanf ))
DUP
INLINE[
QWORD^ { EBP } FLD
FPTAN
FMUL
QWORD^ { EBP } FSTP ]INLINE
DROP ; 2 2 #PARMS FMACRO
: FCSC (( f -- cscf ))
DUP
INLINE[ FLD1
QWORD^ { EBP } FLD
FSIN
FDIV
QWORD^ { EBP } FSTP ]INLINE
DROP ; 2 2 #PARMS FMACRO
: FCOT (( f -- cotf ))
DUP
INLINE[
QWORD^ { EBP } FLD
FPTAN
FDIVR
QWORD^ { EBP } FSTP ]INLINE
DROP ; 2 2 #PARMS FMACRO
: FSEC (( f -- secf ))
DUP
INLINE[ FLD1
QWORD^ { EBP } FLD
FCOS
FDIV
QWORD^ { EBP } FSTP ]INLINE
DROP ; 2 2 #PARMS FMACRO
: FROUND (( f -- f' ))
DUP
INLINE[
QWORD^ { EBP } FLD
FRNDINT
QWORD^ { EBP } FSTP ]INLINE
DROP ; 2 2 #PARMS FMACRO
: FATAN (( f -- f' ))
DUP
INLINE[
QWORD^ { EBP } FLD
FLD1
FPATAN
QWORD^ { EBP } FSTP ]INLINE
DROP ; 2 2 #PARMS FMACRO
: FLN (( f -- f' ))
DUP
INLINE[
FLD1 FLDL2E FDIV
QWORD^ { EBP } FLD
FYL2X
QWORD^ { EBP } FSTP ]INLINE
DROP ; 2 2 #PARMS FMACRO
: FLOG (( f -- f' ))
DUP
INLINE[
FLD1 FLDL2T FDIV
QWORD^ { EBP } FLD
FYL2X
QWORD^ { EBP } FSTP ]INLINE
DROP ; 2 2 #PARMS FMACRO
: FLG (( f -- f' ))
DUP
INLINE[
FLD1
QWORD^ { EBP } FLD
FYL2X
QWORD^ { EBP } FSTP ]INLINE
DROP ; 2 2 #PARMS FMACRO
HIDDEN DEFINITIONS
: (F2**)
INLINE[
ST FLD
FRNDINT
ST(1) ST FSUB // make X valid for F2XM1
ST(1) FXCH
F2XM1 // it must be -0.5 <= X <= +0.5
FLD1
FADD
FSCALE ]INLINE
; MACRO COMPILEONLY
FORTH DEFINITIONS
: F2** (( f -- 2**f )) // 2**A * 2**B = 2**(A+B)
DUP
INLINE[ QWORD^ { EBP } FLD ]INLINE
(F2**)
INLINE[ QWORD^ { EBP } FSTP
FINIT ]INLINE
DROP ; 2 2 #PARMS FMACRO
: F** (( x y -- x**y )) // x**y = 2**(y*LG(x))
// FSWAP FLG F* F2**
DUP
INLINE[ FLD1
QWORD^ { EBP 2 CELL* + } FLD
FYL2X
QWORD^ { EBP } FMUL ]INLINE
(F2**)
INLINE[ EBP { EBP 2 CELL* + } LEA
QWORD^ { EBP } FSTP
FINIT ]INLINE
DROP ; 4 2 #PARMS FMACRO
: FEXP (( x -- e**x ))
DUP
INLINE[ FLDL2E
QWORD^ { EBP } FMUL ]INLINE
(F2**)
INLINE[ QWORD^ { EBP } FSTP
FINIT ]INLINE
DROP ; 2 2 #PARMS FMACRO
: F10** (( x -- 10**x ))
DUP
INLINE[ FLDL2T
QWORD^ { EBP } FMUL ]INLINE
(F2**)
INLINE[ QWORD^ { EBP } FSTP
FINIT ]INLINE
DROP ; 2 2 #PARMS FMACRO
: FSP@ (( -- n ))
DUP
INLINE[
AX FSTSW
AX 11 # SHR
EAX 7 # AND ]INLINE ; 0 1 #PARMS
: FSTAT (( -- n ))
DUP
INLINE[ AX FSTSW
EAX $FFFF # AND ]INLINE ; 0 1 #PARMS
' sinh ALIAS FSINH (( f -- f' ))
' cosh ALIAS FCOSH (( f -- f' ))
' tanh ALIAS FTANH (( f -- f' ))
' asin ALIAS FASIN (( f -- f' ))
' acos ALIAS FACOS (( f -- f' ))
' ceil ALIAS CEIL (( f -- f' ))
' floor ALIAS FLOOR (( f -- f' ))
ONLY FORTH ALSO DEFINITIONS