Mercurial > hg > constant-q-cpp

view src/dsp/nan-inf.h @ 155:72dd182be968

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Typo fix
author Chris Cannam <c.cannam@qmul.ac.uk>
date Mon, 14 Jul 2014 12:44:37 +0100
parents 2375457f2876
children
line wrap: on
line source

#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