diff options
Diffstat (limited to 'tqtinterface/qt4/src/tools/tqlocale.cpp')
| -rw-r--r-- | tqtinterface/qt4/src/tools/tqlocale.cpp | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/tqtinterface/qt4/src/tools/tqlocale.cpp b/tqtinterface/qt4/src/tools/tqlocale.cpp index 26a3230..69c8c39 100644 --- a/tqtinterface/qt4/src/tools/tqlocale.cpp +++ b/tqtinterface/qt4/src/tools/tqlocale.cpp @@ -125,13 +125,24 @@ static inline double nan() #endif // We can't rely on -NAN, since all operations on a NAN should return a NAN. +static double be_neg_nan; +static double le_neg_nan; static const unsigned char be_neg_nan_bytes[] = { 0xff, 0xf8, 0, 0, 0, 0, 0, 0 }; static const unsigned char le_neg_nan_bytes[] = { 0, 0, 0, 0, 0, 0, 0xf8, 0xff }; +static bool neg_nan_init = false; + static inline double negNan() { + if (!neg_nan_init) + { + memcpy(&be_neg_nan,be_neg_nan_bytes,sizeof(be_neg_nan_bytes)); + memcpy(&le_neg_nan,le_neg_nan_bytes,sizeof(le_neg_nan_bytes)); + neg_nan_init = true; + } return (ByteOrder == BigEndian ? - *((const double *) be_neg_nan_bytes) : - *((const double *) le_neg_nan_bytes)); + be_neg_nan : + le_neg_nan); + } // Sizes as defined by the ISO C99 standard - fallback |