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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/Q/isnanl.c
          +++ new/usr/src/lib/libm/common/Q/isnanl.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 isnanl = __isnanl
  32      -#endif
  33   31  
  34   32  #include "libm.h"
  35   33  
  36   34  #if defined(__sparc)
  37   35  int
  38   36  isnanl(long double x) {
  39   37          int *px = (int *) &x;
  40   38          return ((px[0] & ~0x80000000) >= 0x7fff0000 &&
  41   39                  ((px[0] & ~0xffff0000) | px[1] | px[2] | px[3]) != 0);
  42   40  }
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