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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/Q/logl.c
          +++ new/usr/src/lib/libm/common/Q/logl.c
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  20   20   */
  21   21  
  22   22  /*
  23   23   * Copyright 2011 Nexenta Systems, Inc.  All rights reserved.
  24   24   */
  25   25  /*
  26   26   * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
  27   27   * Use is subject to license terms.
  28   28   */
  29   29  
  30      -#pragma weak logl = __logl
       30 +#pragma weak __logl = logl
  31   31  
  32   32  /*
  33   33   * logl(x)
  34   34   * Table look-up algorithm
  35   35   * By K.C. Ng, March 6, 1989
  36   36   *
  37   37   * (a). For x in [31/33,33/31], using a special approximation:
  38   38   *      f = x - 1;
  39   39   *      s = f/(2.0+f);  ... here |s| <= 0.03125
  40   40   *      z = s*s;
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