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bug #1136: Protect isinf for Intel compilers. Also don't distinguish GCC from ICC and don't rely on EIGEN_NOT_A_MACRO, which might not be defined when including this.

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This commit is contained in:
Christoph Hertzberg 2015-12-15 11:34:52 +01:00
parent 17352e2792
commit 92655e7215
1 changed files with 4 additions and 6 deletions
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10
unsupported/test/mpreal/mpreal.h
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@ -72,14 +72,12 @@
#define MPREAL_VERSION_STRING "3.6.2"
// Detect compiler using signatures from http://predef.sourceforge.net/
#if defined(__GNUC__) && defined(__INTEL_COMPILER)
#define IsInf(x) isinf(x) // Intel ICC compiler on Linux
#if defined(__GNUC__)
#define IsInf(x) (isinf)(x) // GNU C++/Intel ICC compiler on Linux
#elif defined(_MSC_VER) // Microsoft Visual C++
#define IsInf(x) (!_finite(x))
#else
#define IsInf(x) std::isinf EIGEN_NOT_A_MACRO (x) // GNU C/C++ (and/or other compilers), just hope for C99 conformance
#define IsInf(x) (std::isinf)(x) // GNU C/C++ (and/or other compilers), just hope for C99 conformance
#endif
// A Clang feature extension to determine compiler features.
@ -3103,4 +3101,4 @@ namespace std
}
#endif /* __MPREAL_H__ */
#endif /* __MPREAL_H__ */