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-rw-r--r--src/iemmatrix.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/src/iemmatrix.h b/src/iemmatrix.h
index d03b611..87f68d2 100644
--- a/src/iemmatrix.h
+++ b/src/iemmatrix.h
@@ -53,6 +53,9 @@
#include "m_pd.h"
+#ifndef M_PI
+
+#endif
#ifdef HAVE_CONFIG_H
# include "config.h"
@@ -71,11 +74,19 @@
#include <memory.h>
#ifdef __WIN32__
+#ifndef fabsf
# define fabsf fabs
+#endif
+#ifndef sqrtf
# define sqrtf sqrt
+#endif
+#ifndef powf
# define powf pow
+#endif
+#ifndef atanf
# define atanf atan
#endif
+#endif
#ifdef __APPLE__
# include <AvailabilityMacros.h>