use math defines and include cmath

This commit adds the "use math defines" statement and includes cmath. Otherwise gauss_transform_fgt.cpp will not compile when using fgt, because M_PI is undefined
gadomski · Aug 3, 2017 · ef36583 · ef36583
1 parent c3dd116
commit ef36583
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/gauss_transform_fgt.cpp b/src/gauss_transform_fgt.cpp
@@ -15,7 +15,10 @@
 // with this program; if not, write to the Free Software Foundation, Inc.,
 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
+#define _USE_MATH_DEFINES
+
 #include <cpd/gauss_transform_fgt.hpp>
+#include <cmath>
 
 namespace cpd {
 std::unique_ptr<GaussTransform> GaussTransform::make_default() {