1 files changed, 41 insertions, 0 deletions
diff --git a/src/3rdParty/json-c/math_compat.h b/src/3rdParty/json-c/math_compat.h
new file mode 100644
index 0000000..751c659
--- /dev/null
+++ b/src/3rdParty/json-c/math_compat.h
@@ -0,0 +1,41 @@
+#ifndef __math_compat_h
+#define __math_compat_h
+
+/* Define isnan and isinf on Windows/MSVC */
+
+#ifndef HAVE_DECL_ISNAN
+# ifdef HAVE_DECL__ISNAN
+#include <float.h>
+#define isnan(x) _isnan(x)
+# endif
+#endif
+
+#ifndef HAVE_DECL_ISINF
+# ifdef HAVE_DECL__FINITE
+#include <float.h>
+#define isinf(x) (!_finite(x))
+# endif
+#endif
+
+#ifdef WIN32
+#ifndef NAN
+const unsigned long __json_nan[2] = {0xffffffff, 0x7fffffff};
+#define NAN (*(const double*) __json_nan)
+#endif
+#else
+#ifndef HAVE_DECL_NAN
+#error This platform does not have nan()
+#endif
+#endif
+
+#ifdef WIN32
+#include <float.h>
+#ifndef INFINITY
+#define INFINITY DBL_MAX
+#endif
+#else
+#ifndef HAVE_DECL_INFINITY
+#error This platform does not have INFINITY
+#endif
+#endif
+#endif