5261 libm should stop using synonyms.h

          --- old/usr/src/lib/libm/common/complex/cproj.c
          +++ new/usr/src/lib/libm/common/complex/cproj.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 cproj = __cproj
       30 +#pragma weak __cproj = cproj
  31   31  
  32   32  /* INDENT OFF */
  33   33  /*
  34   34   * dcomplex cproj(dcomplex z);
  35   35   *
  36   36   * If one of the component of z = (x,y) is an inf, then
  37   37   *      cproj(z) = (+inf, copysign(0,y));
  38   38   * otherwise,
  39   39   *      cproj(z) = z
  40   40   */

  41   41  /* INDENT ON */
  42   42  
  43   43  #include "libm.h"                       /* fabs */
  44   44  #include "complex_wrapper.h"
  45   45  
  46   46  static const double zero = 0.0;
  47   47  
  48   48  dcomplex
  49   49  cproj(dcomplex z) {
  50   50          double x, y;
  51   51          int ix, iy, hx, hy, lx, ly;
  52   52  
  53   53          x = D_RE(z);
  54   54          y = D_IM(z);
  55   55          hx = HI_WORD(x);
  56   56          lx = LO_WORD(x);
  57   57          hy = HI_WORD(y);
  58   58          ly = LO_WORD(y);
  59   59          ix = hx & 0x7fffffff;
  60   60          iy = hy & 0x7fffffff;
  61   61          if (ISINF(iy, ly)) {
  62   62                  D_RE(z) = fabs(y);
  63   63                  D_IM(z) = hy >= 0 ? zero : -zero;
  64   64          } else if (ISINF(ix, lx)) {
  65   65                  D_RE(z) = fabs(x);
  66   66                  D_IM(z) = hy >= 0 ? zero : -zero;
  67   67          }
  68   68          return (z);
  69   69  }

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