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Provide std::abs(<floating-point>) in <cmath> on Solaris.

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1) <cstdlib> header should define std::abs([int|long|long long])
functions. They use "using ::abs" to import these functions (which are
declared in <stdlib.h>) into std namespace.
2) <cmath> header should define std::abs([float|double|long double])
function. If we try define new functions in std namespace, then it
will cause compile error in <cstdlib> because "using ::abs" will try
import not only [int|long|long long] functions, but also
[float|double|long double] which are defined in <math.h> header on
solaris.

Patch by C Bergstrom.


git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@232641 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Fiselier 2015-03-18 15:24:18 +00:00
parent 9959bf0850
commit 0b6f8ed1c7
1 changed files with 4 additions and 0 deletions
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include/cmath
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@ -654,6 +654,10 @@ using ::double_t;
// abs // abs
#if defined(__sun__)
using ::abs;
#endif
#if !defined(_AIX) && !defined(__sun__) #if !defined(_AIX) && !defined(__sun__)
inline _LIBCPP_INLINE_VISIBILITY inline _LIBCPP_INLINE_VISIBILITY
float float