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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/rint.c
          +++ new/usr/src/lib/libm/common/C/rint.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 2006 Sun Microsystems, Inc.  All rights reserved.
  26   26   * Use is subject to license terms.
  27   27   */
  28   28  
  29      -#pragma weak rint = __rint
       29 +#pragma weak __rint = rint
  30   30  
  31   31  /*
  32   32   * rint(x) return x rounded to integral according to the rounding direction
  33   33   * rint(x) returns result with the same sign as x's,  including 0.0.
  34   34   */
  35   35  
  36   36  #include "libm.h"
  37   37  
  38   38  #if defined(__i386) && !defined(__amd64) && (!defined(__FLT_EVAL_METHOD__) || \
  39   39          __FLT_EVAL_METHOD__ != 0)
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