[METRIC] all metric move finished

old_src/utils/math.h

@@ -1,45 +0,0 @@
-/*!
- * Copyright 2014 by Contributors
- * \file math.h
- * \brief support additional math
- * \author Tianqi Chen
- */
-#ifndef XGBOOST_UTILS_MATH_H_
-#define XGBOOST_UTILS_MATH_H_
-
-#include <cmath>
-
-namespace xgboost {
-namespace utils {
-#ifdef XGBOOST_STRICT_CXX98_
-// check nan
-bool CheckNAN(double v);
-double LogGamma(double v);
-#else
-template<typename T>
-inline bool CheckNAN(T v) {
-#ifdef _MSC_VER
-  return (_isnan(v) != 0);
-#else
-  return isnan(v);
-#endif
-}
-template<typename T>
-inline T LogGamma(T v) {
-#ifdef _MSC_VER
-#if _MSC_VER >= 1800
-  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
-}  // namespace utils
-}  // namespace xgboost
-#endif  // XGBOOST_UTILS_MATH_H_