Subversion Repositories openrisc_2011-10-31

 
/* @(#)z_isposf.c 1.0 98/08/13 */
/******************************************************************
 * Positive value test
 *
 * Input:
 *   x - floating point value
 *
 * Output:
 *   An integer that indicates if the number is positive.
 *
 * Description:
 *   This routine returns an integer that indicates if the number
 *   passed in is positive (1) or negative (0).
 *
 *****************************************************************/
 
#include "fdlibm.h"
#include "zmath.h"
 
int isposf (float x)
{
  __int32_t wx;
 
  GET_FLOAT_WORD (wx, x);
 
  if (wx & 0x80000000)
    return (0);
  else
    return (1);
}
 
#ifdef _DOUBLE_IS_32BITS
 
int ispos (double x)
{
  return isposf ((float) x);
}
 
#endif /* defined(_DOUBLE_IS_32BITS) */