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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/log.c
          +++ new/usr/src/lib/libm/common/C/log.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 log = __log
       29 +#pragma weak __log = log
  30   30  
  31   31  /* INDENT OFF */
  32   32  /*
  33   33   * log(x)
  34   34   * Table look-up algorithm with product polynomial approximation.
  35   35   * By K.C. Ng, Oct 23, 2004. Updated Oct 18, 2005.
  36   36   *
  37   37   * (a). For x in [1-0.125, 1+0.1328125], using a special approximation:
  38   38   *      Let f = x - 1 and z = f*f.
  39   39   *      return f + ((a1*z) *
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