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/* Copyright (C) 2008 Tobi Vollebregt */
/* Conditionally include streflop depending on STREFLOP_* #defines:
If one of those is present, #include "streflop.h", otherwise #include <math.h>
When faced with ambiguous call errors with e.g. fabs, use math::function.
Add it to math namespace if it doesn't exist there yet. */
#ifndef STREFLOP_COND_H
#define STREFLOP_COND_H
#if defined(STREFLOP_X87) || defined(STREFLOP_SSE) || defined(STREFLOP_SOFT)
#include "streflop.h"
using namespace streflop;
namespace math {
using namespace streflop;
}
#else
#include <cmath>
namespace math {
using std::fabs;
// using std::sqrt;
using std::sin;
using std::cos;
using std::sinh;
using std::cosh;
using std::tan;
using std::tanh;
using std::asin;
using std::acos;
using std::atan;
using std::atan2;
using std::ceil;
using std::floor;
using std::fmod;
using std::pow;
using std::log;
using std::log10;
using std::exp;
using std::frexp;
using std::ldexp;
// the following are C99 functions -> not supported by VS C
#if !defined(_MSC_VER) || _MSC_VER < 1500
using std::isnan;
using std::isinf;
using std::isfinite;
#elif __cplusplus
template<typename T> inline bool isnan(T value) {
return value != value;
}
// requires include <limits>
template<typename T> inline bool isinf(T value) {
return std::numeric_limits<T>::has_infinity && value == std::numeric_limits<T>::infinity();
}
// requires include <limits>
template<typename T> inline bool isfinite(T value) {
return !isinf<T>(value);
}
#endif
}
#endif
#endif // STREFLOP_COND_H
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