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Merge pull request #1646 from andred/nofpu-fix

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fp: support environments without hardware floating point
This commit is contained in:
Günter Obiltschnig 2017-03-30 17:49:23 +02:00 committed by GitHub
commit 63b6be6481
1 changed files with 36 additions and 0 deletions
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36
Foundation/include/Poco/FPEnvironment_C99.h
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@ -33,18 +33,54 @@ class FPEnvironmentImpl
protected:
enum RoundingModeImpl
{
#if defined(FE_DOWNWARD)
FP_ROUND_DOWNWARD_IMPL = FE_DOWNWARD,
#else
FP_ROUND_DOWNWARD_IMPL = 0,
#endif
#if defined(FE_UPWARD)
FP_ROUND_UPWARD_IMPL = FE_UPWARD,
#else
FP_ROUND_UPWARD_IMPL = 0,
#endif
#if defined(FE_TONEAREST)
FP_ROUND_TONEAREST_IMPL = FE_TONEAREST,
#else
FP_ROUND_TONEAREST_IMPL = 0,
#endif
#if defined(FE_TOWARDZERO)
FP_ROUND_TOWARDZERO_IMPL = FE_TOWARDZERO
#else
FP_ROUND_TOWARDZERO_IMPL = 0
#endif
};
enum FlagImpl
{
#if defined(FE_DIVBYZERO)
FP_DIVIDE_BY_ZERO_IMPL = FE_DIVBYZERO,
#else
FP_DIVIDE_BY_ZERO_IMPL = 0,
#endif
#if defined(FE_INEXACT)
FP_INEXACT_IMPL = FE_INEXACT,
#else
FP_INEXACT_IMPL = 0,
#endif
#if defined(FE_OVERFLOW)
FP_OVERFLOW_IMPL = FE_OVERFLOW,
#else
FP_OVERFLOW_IMPL = 0,
#endif
#if defined(FE_UNDERFLOW)
FP_UNDERFLOW_IMPL = FE_UNDERFLOW,
#else
FP_UNDERFLOW_IMPL = 0,
#endif
#if defined(FE_INVALID)
FP_INVALID_IMPL = FE_INVALID
#else
FP_INVALID_IMPL = 0
#endif
};
FPEnvironmentImpl();
FPEnvironmentImpl(const FPEnvironmentImpl& env);