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This commit is contained in:
Tianqi Chen 2015-05-04 11:13:14 -07:00
parent 37d704826a
commit 206f3cdbe0
1 changed files with 12 additions and 6 deletions
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18
src/utils/math.h
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@ -6,11 +6,7 @@
* \author Tianqi Chen * \author Tianqi Chen
*/ */
#include <cmath> #include <cmath>
#ifdef _MSC_VER
extern "C" {
#include <amp_math.h>
}
#endif
namespace xgboost { namespace xgboost {
namespace utils { namespace utils {
#ifdef XGBOOST_STRICT_CXX98_ #ifdef XGBOOST_STRICT_CXX98_
@ -21,14 +17,24 @@ double LogGamma(double v);
template<typename T> template<typename T>
inline bool CheckNAN(T v) { inline bool CheckNAN(T v) {
#ifdef _MSC_VER #ifdef _MSC_VER
return (_isnan(x) != 0); return (_isnan(v) != 0);
#else #else
return isnan(v); return isnan(v);
#endif #endif
} }
template<typename T> template<typename T>
inline T LogGamma(T v) { inline T LogGamma(T v) {
#ifdef _MSC_VER
#if _MSC_VER >= 1800
return lgamma(v); return lgamma(v);
#else
#pragma message ("Warning: lgamma function was not available until VS2013, poisson regression will be disabled")
utils::Error("lgamma function was not available until VS2013");
return static_cast<T>(1.0);
#endif
#else
return lgamma(v);
#endif
} }
#endif #endif
} // namespace utils } // namespace utils