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5261 libm should stop using synonyms.h
5298 fabs is 0-sized, confuses dis(1) and others
Reviewed by: Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
Approved by: Gordon Ross <gwr@nexenta.com>

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          --- old/usr/src/lib/libm/common/C/nextafter.c
          +++ new/usr/src/lib/libm/common/C/nextafter.c
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  19   19   * CDDL HEADER END
  20   20   */
  21   21  /*
  22   22   * Copyright 2011 Nexenta Systems, Inc.  All rights reserved.
  23   23   */
  24   24  /*
  25   25   * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
  26   26   * Use is subject to license terms.
  27   27   */
  28   28  
  29      -#pragma weak nextafter = __nextafter
  30      -#pragma weak _nextafter = __nextafter
       29 +#pragma weak __nextafter = nextafter
       30 +#pragma weak _nextafter = nextafter
  31   31  
  32   32  #include "libm.h"
  33   33  #include <float.h>              /* DBL_MIN */
  34   34  
  35   35  double
  36   36  nextafter(double x, double y) {
  37   37          int             hx, hy, k;
  38   38          double          ans;
  39   39          unsigned        lx;
  40   40          volatile double dummy;
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