summaryrefslogtreecommitdiff
path: root/json-c/src/math_compat.h
diff options
context:
space:
mode:
authorMichał Cichoń <michcic@gmail.com>2015-08-25 19:56:24 +0200
committerMichał Cichoń <michcic@gmail.com>2015-08-25 19:56:24 +0200
commit682f23e7bb4a52bedf46eff5c4859e1308eda124 (patch)
tree30ad4f37b434ecdfb5edc36dfbaf7fc924e53c0e /json-c/src/math_compat.h
parent8b41fc907bcd27d24c895062ae8a61b305fc2d46 (diff)
downloadpianobar-windows-build-682f23e7bb4a52bedf46eff5c4859e1308eda124.tar.gz
pianobar-windows-build-682f23e7bb4a52bedf46eff5c4859e1308eda124.tar.bz2
pianobar-windows-build-682f23e7bb4a52bedf46eff5c4859e1308eda124.zip
Update build ref
Diffstat (limited to 'json-c/src/math_compat.h')
-rw-r--r--json-c/src/math_compat.h31
1 files changed, 31 insertions, 0 deletions
diff --git a/json-c/src/math_compat.h b/json-c/src/math_compat.h
new file mode 100644
index 0000000..6506bd9
--- /dev/null
+++ b/json-c/src/math_compat.h
@@ -0,0 +1,31 @@
+#ifndef __math_compat_h
+#define __math_compat_h
+
+/* Define isnan, isinf, infinity and nan 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
+
+#ifndef HAVE_DECL_INFINITY
+#include <float.h>
+#define INFINITY (DBL_MAX + DBL_MAX)
+#define HAVE_DECL_INFINITY
+#endif
+
+#ifndef HAVE_DECL_NAN
+#define NAN (INFINITY - INFINITY)
+#define HAVE_DECL_NAN
+#endif
+
+#endif