sysdeps/ia64/fpu/s_frexp.c

   1 //
   2 // Copyright (C) 2000, 2001, Intel Corporation
   3 // All rights reserved.
   4 //
   5 // Contributed 2/2/2000 by John Harrison, Ted Kubaska, Bob Norin, Shane Story,
   6 // and Ping Tak Peter Tang of the Computational Software Lab, Intel Corporation.
   7 //
   8 // Redistribution and use in source and binary forms, with or without
   9 // modification, are permitted provided that the following conditions are
  10 // met:
  11 //
  12 // * Redistributions of source code must retain the above copyright
  13 // notice, this list of conditions and the following disclaimer.
  14 //
  15 // * Redistributions in binary form must reproduce the above copyright
  16 // notice, this list of conditions and the following disclaimer in the
  17 // documentation and/or other materials provided with the distribution.
  18 //
  19 // * The name of Intel Corporation may not be used to endorse or promote
  20 // products derived from this software without specific prior written
  21 // permission.
  22 //
  23 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  24 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  25 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  26 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL INTEL OR ITS
  27 // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  28 // EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  29 // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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  32 // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  33 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  34 //
  35 // Intel Corporation is the author of this code, and requests that all
  36 // problem reports or change requests be submitted to it directly at
  37 // http://developer.intel.com/opensource.
  38 //
  39 //
  40
  41 #include "libm_support.h"
  42
  43 double frexp(double x, int *y)
  44 {
  45
  46 #ifdef SIZE_INT_64
  47    return( __libm_frexp_8(x, y) );
  48
  49 #else
  50
  51 #ifdef SIZE_INT_32
  52    return( _GI___libm_frexp_4(x, y) );
  53 #endif
  54
  55 #endif
  56
  57 }