cleanup, mpi-ify lblmodel

1 files changed, 0 insertions, 42 deletions

diff --git a/utils/nan.h b/utils/nan.h
deleted file mode 100644
index 257364d5..00000000
--- a/utils/nan.h
+++ /dev/null
@@ -1,42 +0,0 @@
-#ifndef NAN_H
-#define NAN_H
-//TODO: switch to C99 isnan isfinite isinf etc. (faster)
-
-#include <limits>
-
-template <bool> struct nan_static_assert;
-template <> struct nan_static_assert<true> { };
-
-// is_iec559 i.e. only IEEE 754 float has x != x <=> x is nan
-template<typename T>
-inline bool is_nan(T x) {
-//    static_cast<void>(sizeof(nan_static_assert<std::numeric_limits<T>::has_quiet_NaN>));
-    return std::numeric_limits<T>::has_quiet_NaN && (x != x);
-}
-
-template <typename T>
-inline bool is_inf(T x) {
-//    static_cast<void>(sizeof(nan_static_assert<std::numeric_limits<T>::has_infinity>));
-    return x == std::numeric_limits<T>::infinity() || x == -std::numeric_limits<T>::infinity();
-}
-
-template <typename T>
-inline bool is_pos_inf(T x) {
-//    static_cast<void>(sizeof(nan_static_assert<std::numeric_limits<T>::has_infinity>));
-    return x == std::numeric_limits<T>::infinity();
-}
-
-template <typename T>
-inline bool is_neg_inf(T x) {
-//    static_cast<void>(sizeof(nan_static_assert<std::numeric_limits<T>::has_infinity>));
-    return x == -std::numeric_limits<T>::infinity();
-}
-
-//c99 isfinite macro shoudl be much faster
-template <typename T>
-inline bool is_finite(T x) {
-  return !is_nan(x) && !is_inf(x);
-}
-
-
-#endif