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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/LD/logbl.c
          +++ new/usr/src/lib/libm/common/LD/logbl.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 logbl = __logbl
  32      -#endif
  33   31  
  34   32  #include "libm.h"
  35   33  #include "xpg6.h"       /* __xpg6 */
  36   34  #define _C99SUSv3_logb  _C99SUSv3_logb_subnormal_is_like_ilogb
  37   35  
  38   36  #if defined(__sparc)
  39   37  #define ISNORMALL(k, x) (k != 0x7fff)                   /* assuming k != 0 */
  40   38  #define X86PDNRM(k, x)
  41   39  #define XSCALE_OFFSET   0x406f                          /* 0x3fff + 112 */
  42   40  static const long double xscale = 5192296858534827628530496329220096.0L;
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