27 lines
678 B
C
27 lines
678 B
C
static const double internalEndianMagic = 7.949928895127363e-275;
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static const unsigned char ieee_754_mantissa_mask[] = { 0x00, 0x0F, 0xFF, 0xFF,
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0xFF, 0xFF, 0xFF, 0xFF };
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static inline int
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trio_isnan (double number)
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{
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int has_mantissa = 0;
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unsigned int i;
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unsigned char current;
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for (i = 0; i < (unsigned int)sizeof(double); i++)
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{
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current = ((unsigned char *)&number)[(((unsigned char
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*)&internalEndianMagic)[7-(i)])];
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has_mantissa |= (current & ieee_754_mantissa_mask[i]);
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}
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return has_mantissa;
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}
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void
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xmlXPathEqualNodeSetFloat(int nodeNr, double v)
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{
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int i;
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for (i=0; i<nodeNr; i++)
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if (!trio_isnan(v))
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break;
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}
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