Subversion Repositories openrisc

static const double internalEndianMagic = 7.949928895127363e-275;

static const unsigned char ieee_754_mantissa_mask[] = { 0x00, 0x0F, 0xFF, 0xFF,

    0xFF, 0xFF, 0xFF, 0xFF };

static inline int

trio_isnan (double number)

{

  int has_mantissa = 0;

  unsigned int i;

  unsigned char current;

  for (i = 0; i < (unsigned int)sizeof(double); i++)

    {

      current = ((unsigned char *)&number)[(((unsigned char

                                              *)&internalEndianMagic)[7-(i)])];

      has_mantissa |= (current & ieee_754_mantissa_mask[i]);

    }

  return has_mantissa;

}

void

xmlXPathEqualNodeSetFloat(int nodeNr, double v)

{

  int i;

  for (i=0; i<nodeNr; i++)

    if (!trio_isnan(v))

      break;

}