From 54bcfb835232d190a5ab6f0bd825de8a50dae126 Mon Sep 17 00:00:00 2001
From: Chris Dyer <cdyer@cs.cmu.edu>
Date: Wed, 29 Feb 2012 01:12:40 -0500
Subject: cleanup, mpi-ify lblmodel

---
 utils/nan.h | 42 ------------------------------------------
 1 file changed, 42 deletions(-)
 delete mode 100644 utils/nan.h

(limited to 'utils/nan.h')

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
-- 
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