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view maths/nan-inf.h @ 489:701233f8ed41

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Make include-guards consistent
author Chris Cannam <cannam@all-day-breakfast.com>
date Fri, 31 May 2019 16:48:37 +0100
parents f51af910550f
children
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#ifndef QM_DSP_NAN_INF_H
#define QM_DSP_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