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>

          --- old/usr/src/lib/libm/common/complex/casinh.c
          +++ new/usr/src/lib/libm/common/complex/casinh.c

   1    1  /*
   2    2   * CDDL HEADER START
   3    3   *
   4    4   * The contents of this file are subject to the terms of the
   5    5   * Common Development and Distribution License (the "License").
   6    6   * You may not use this file except in compliance with the License.
   7    7   *
   8    8   * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9    9   * or http://www.opensolaris.org/os/licensing.
  10   10   * See the License for the specific language governing permissions
  11   11   * and limitations under the License.
  12   12   *
  13   13   * When distributing Covered Code, include this CDDL HEADER in each
  14   14   * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15   15   * If applicable, add the following below this CDDL HEADER, with the
  16   16   * fields enclosed by brackets "[]" replaced with your own identifying
  17   17   * information: Portions Copyright [yyyy] [name of copyright owner]
  18   18   *
  19   19   * CDDL HEADER END

  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 casinh = __casinh
       30 +#pragma weak __casinh = casinh
  31   31  
  32   32  /* INDENT OFF */
  33   33  /*
  34   34   * dcomplex casinh(dcomplex z);
  35   35   * casinh z = -i casin iz .
  36   36   */
  37   37  /* INDENT ON */
  38   38  
  39   39  #include "libm.h"
  40   40  #include "complex_wrapper.h"

  41   41  
  42   42  dcomplex
  43   43  casinh(dcomplex z) {
  44   44          dcomplex w, r, ans;
  45   45  
  46   46          D_RE(w) = -D_IM(z);
  47   47          D_IM(w) = D_RE(z);
  48   48          r = casin(w);
  49   49          D_RE(ans) = D_IM(r);
  50   50          D_IM(ans) = -D_RE(r);
  51   51          return (ans);
  52   52  }

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