Subversion Repositories openrisc_2011-10-31

/* @(#)z_ispos.c 1.0 98/08/13 */

/******************************************************************

 * Numtest

 *

 * Input:

 *   x - pointer to a 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"

#ifndef _DOUBLE_IS_32BITS

int ispos (double x)

{

  __uint32_t hx;

  GET_HIGH_WORD (hx, x);

  if (hx & 0x80000000)

    return (0);

  else

    return (1);

}

#endif /* _DOUBLE_IS_32BITS */