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view spandsp-0.0.3/spandsp-0.0.3/src/msvc/tgmath.h @ 5:f762bf195c4b
import spandsp-0.0.3
author | Peter Meerwald <pmeerw@cosy.sbg.ac.at> |
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date | Fri, 25 Jun 2010 16:00:21 +0200 |
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/* * SpanDSP - a series of DSP components for telephony * * tgmath.h - a fudge for MSVC, which lacks this header * * Written by Steve Underwood <steveu@coppice.org> * * Copyright (C) 2006 Michael Jerris * * * This file is released in the public domain. * */ #if !defined(_TGMATH_H_) #define _TGMATH_H_ #include <math.h> #if !defined(M_PI) /* C99 systems may not define M_PI */ #define M_PI 3.14159265358979323846264338327 #endif #ifdef __cplusplus extern "C" { #endif /* A kindofa rint() for VC++ (only kindofa, because rint should be type generic, and this one is purely float to int */ static inline long int lrintf(float a) { long int i; __asm { fld a fistp i } return i; } static inline long int lrint(double a) { long int i; __asm { fld a fistp i } return i; } #ifdef __cplusplus } #endif #endif