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5262 libm needs to be carefully unifdef'd
5268 libm doesn't need to hide symbols which are already local

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          --- old/usr/src/lib/libm/common/m9x/ldexp.c
          +++ new/usr/src/lib/libm/common/m9x/ldexp.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      -#if defined(ELFOBJ)
  31   30  #pragma weak ldexp = __ldexp
  32      -#endif
  33   31  
  34   32  #include "libm.h"
  35   33  #include <errno.h>
  36   34  
  37   35  double
  38   36  ldexp(double x, int n) {
  39   37          int *px = (int *) &x, ix = px[HIWORD] & ~0x80000000;
  40   38  
  41   39          if (ix >= 0x7ff00000 || (px[LOWORD] | ix) == 0)
  42   40  #if defined(FPADD_TRAPS_INCOMPLETE_ON_NAN)
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