gcc/libgfortran/m4/set_exponent.m4

`/* Implementation of the SET_EXPONENT intrinsic
   Copyright 2003 Free Software Foundation, Inc.
   Contributed by Richard Henderson <rth@redhat.com>.

This file is part of the GNU Fortran 95 runtime library (libgfor).

Libgfor is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.

Ligbfor is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public
License along with libgfor; see the file COPYING.LIB.  If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.  */
#include <math.h>
#include "libgfortran.h"'

include(`mtype.m4')dnl

extern real_type set_exponent_r`'kind (real_type s, GFC_INTEGER_4 i);
export_proto(set_exponent_r`'kind);

real_type
set_exponent_r`'kind (real_type s, GFC_INTEGER_4 i)
{
  int dummy_exp;
  return scalbn`'q (frexp`'q (s, &dummy_exp), i);
}