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/*

 * ====================================================

 * Copyright (C) 1998 by Cygnus Solutions. All rights reserved.

 *

 * Permission to use, copy, modify, and distribute this

 * software is freely granted, provided that this notice

 * is preserved.

 * ====================================================

 */

#if !defined(_SOFT_FLOAT)

/*

Fast version of frexp using Intel float instructions.

   double _f_frexp (double x, int *exp);

Function splits x into y * 2 ** z.  It then

returns the value of y and updates *exp with z.

There is no error checking or setting of errno.

*/

        #include "i386mach.h"

        .global SYM (_f_frexp)

       SOTYPE_FUNCTION(_f_frexp)

SYM (_f_frexp):

        pushl ebp

        movl esp,ebp

        fldl 8(ebp)

        movl 16(ebp),eax

        fxtract

        fld1

        fchs

        fxch

        fscale

        fstp st1

        fxch

        fld1

        faddp

        fistpl 0(eax)

        leave

        ret

#endif