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-rw-r--r--cmake/msvc/config.h55
1 files changed, 55 insertions, 0 deletions
diff --git a/cmake/msvc/config.h b/cmake/msvc/config.h
new file mode 100644
index 000000000..71e94c832
--- /dev/null
+++ b/cmake/msvc/config.h
@@ -0,0 +1,55 @@
+#ifndef _MSC_VER // [
+#error "Use this header only with Microsoft Visual C++ compilers!"
+#endif // _MSC_VER ]
+
+#ifndef _MSC_CONFIG_H_ // [
+#define _MSC_CONFIG_H_
+
+////////////////////////////////////////////////////////////////////////
+// enable inline functions for C code
+////////////////////////////////////////////////////////////////////////
+#ifndef __cplusplus
+# define inline __inline
+#endif
+
+////////////////////////////////////////////////////////////////////////
+// signed size_t
+////////////////////////////////////////////////////////////////////////
+#include <stddef.h>
+typedef ptrdiff_t ssize_t;
+
+////////////////////////////////////////////////////////////////////////
+// rint functions
+////////////////////////////////////////////////////////////////////////
+static inline long lrint(double x){return (long)(x > 0.0 ? x + 0.5 : x - 0.5);}
+static inline long lrintf(float x){return (long)(x > 0.0f ? x + 0.5f : x - 0.5f);}
+static inline double rint(double x){return (double)lrint(x);}
+static inline float rintf(float x){return (float)lrintf(x);}
+
+////////////////////////////////////////////////////////////////////////
+// math constants
+////////////////////////////////////////////////////////////////////////
+#define INFINITY HUGE_VAL
+
+# define M_E 2.7182818284590452354 /* e */
+# define M_LOG2E 1.4426950408889634074 /* log_2 e */
+# define M_LOG10E 0.43429448190325182765 /* log_10 e */
+# define M_LN2 0.69314718055994530942 /* log_e 2 */
+# define M_LN10 2.30258509299404568402 /* log_e 10 */
+# define M_PI 3.14159265358979323846 /* pi */
+# define M_PI_2 1.57079632679489661923 /* pi/2 */
+# define M_PI_4 0.78539816339744830962 /* pi/4 */
+# define M_1_PI 0.31830988618379067154 /* 1/pi */
+# define M_2_PI 0.63661977236758134308 /* 2/pi */
+# define M_2_SQRTPI 1.12837916709551257390 /* 2/sqrt(pi) */
+# define M_SQRT2 1.41421356237309504880 /* sqrt(2) */
+# define M_SQRT1_2 0.70710678118654752440 /* 1/sqrt(2) */
+
+////////////////////////////////////////////////////////////////////////
+// random and srandom
+////////////////////////////////////////////////////////////////////////
+#include <stdlib.h>
+static inline long int random (void) { return rand(); }
+static inline void srandom (unsigned int seed) { srand(seed); }
+
+#endif // _MSC_CONFIG_H_ ]