glibc/sysdeps/ia64/fpu/s_frexp.c

//  
// Copyright (C) 2000, 2001, Intel Corporation
// All rights reserved.
//
// Contributed 2/2/2000 by John Harrison, Ted Kubaska, Bob Norin, Shane Story, 
// and Ping Tak Peter Tang of the Computational Software Lab, Intel Corporation.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright
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#include "libm_support.h"

double frexp(double x, int *y)
{

#ifdef SIZE_INT_64 
   return( __libm_frexp_8(x, y) );

#else

#ifdef SIZE_INT_32 
   return( __libm_frexp_4(x, y) );
#endif

#endif

}