Mercurial > hg > silvet

diff constant-q-cpp/src/dsp/nan-inf.h @ 366:5d0a2ebb4d17

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Bring dependent libraries in to repo
author Chris Cannam
date Fri, 24 Jun 2016 14:47:45 +0100
parents
children
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/constant-q-cpp/src/dsp/nan-inf.h	Fri Jun 24 14:47:45 2016 +0100
@@ -0,0 +1,13 @@
+
+#ifndef NAN_INF_H
+#define NAN_INF_H
+
+#define ISNAN(x) (sizeof(x) == sizeof(double) ? ISNANd(x) : ISNANf(x))
+static inline int ISNANf(float x) { return x != x; }
+static inline int ISNANd(double x) { return x != x; }
+          
+#define ISINF(x) (sizeof(x) == sizeof(double) ? ISINFd(x) : ISINFf(x))
+static inline int ISINFf(float x) { return !ISNANf(x) && ISNANf(x - x); }
+static inline int ISINFd(double x) { return !ISNANd(x) && ISNANd(x - x); }
+
+#endif