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Remove the errno check when hashing floating point numbers. It's not really

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needed and was causing problems on the Microsoft Windows Smarthone Edition
platform. Fixes #1064.



[SVN r38877]
This commit is contained in:
Daniel James
2007-08-24 01:11:33 +00:00
parent 33643fd6b3
commit 2ae3f472c1
1 changed files with 0 additions and 3 deletions
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3
include/boost/functional/detail/hash_float.hpp
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@@ -17,7 +17,6 @@
#include <boost/functional/detail/float_functions.hpp> #include <boost/functional/detail/float_functions.hpp>
#include <boost/limits.hpp> #include <boost/limits.hpp>
#include <boost/assert.hpp> #include <boost/assert.hpp>
#include <errno.h>
// Don't use fpclassify or _fpclass for stlport. // Don't use fpclassify or _fpclass for stlport.
#if !defined(__SGI_STL_PORT) && !defined(_STLPORT_VERSION) #if !defined(__SGI_STL_PORT) && !defined(_STLPORT_VERSION)
@@ -48,9 +47,7 @@ namespace boost
inline std::size_t float_hash_impl(T v) inline std::size_t float_hash_impl(T v)
{ {
int exp = 0; int exp = 0;
errno = 0;
v = boost::hash_detail::call_frexp(v, &exp); v = boost::hash_detail::call_frexp(v, &exp);
if(errno) return 0;
std::size_t seed = 0; std::size_t seed = 0;