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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/R/atan2pif.c
          +++ new/usr/src/lib/libm/common/R/atan2pif.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 atan2pif = __atan2pif
  30      -
  31   29  #include "libm.h"
  32   30  
  33   31  static const double invpi = 0.3183098861837906715377675;
  34   32  
  35   33  float
  36   34  atan2pif(float y, float x) {
  37   35          int     ix, iy, hx, hy;
  38   36  
  39   37          ix = *(int *)&x;
  40   38          iy = *(int *)&y;
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