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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/atanl.c
          +++ new/usr/src/lib/libm/common/Q/atanl.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 atanl = __atanl
       30 +#pragma weak __atanl = atanl
  31   31  
  32   32  /*
  33   33   * atanl(x)
  34   34   * Table look-up algorithm
  35   35   * By K.C. Ng, March 9, 1989
  36   36   *
  37   37   * Algorithm.
  38   38   *
  39   39   * The algorithm is based on atan(x)=atan(y)+atan((x-y)/(1+x*y)).
  40   40   * We use poly1(x) to approximate atan(x) for x in [0,1/8] with
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