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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/jn.c
          +++ new/usr/src/lib/libm/common/C/jn.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 jn = __jn
  31      -#pragma weak yn = __yn
       30 +#pragma weak __jn = jn
       31 +#pragma weak __yn = yn
  32   32  
  33   33  /*
  34   34   * floating point Bessel's function of the 1st and 2nd kind
  35   35   * of order n: jn(n,x),yn(n,x);
  36   36   *
  37   37   * Special cases:
  38   38   *      y0(0)=y1(0)=yn(n,0) = -inf with division by zero signal;
  39   39   *      y0(-ve)=y1(-ve)=yn(n,-ve) are NaN with invalid signal.
  40   40   * Note 2. About jn(n,x), yn(n,x)
  41   41   *      For n=0, j0(x) is called,
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