11210 libm should be cstyle(1ONBLD) clean

          --- old/usr/src/lib/libm/common/m9x/scalblnf.c
          +++ new/usr/src/lib/libm/common/m9x/scalblnf.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   27   * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
  27   28   * Use is subject to license terms.
  28   29   */
  29   30  
  30   31  #pragma weak __scalblnf = scalblnf
  31   32  
  32   33  #include "libm.h"
  33      -#include <float.h>              /* FLT_MAX, FLT_MIN */
       34 +#include <float.h>                      /* FLT_MAX, FLT_MIN */
  34   35  
  35   36  static const float twom25f = 2.98023223876953125e-8F;
       37 +
  36   38  #if defined(__x86)
  37   39  static const float two23f = 8388608.0F;
  38   40  #else
  39   41  /*
  40   42   * v: a non-zero subnormal |x|; returns [-22, 0]
  41   43   */
  42   44  static int
  43      -ilogbf_biased(unsigned v) {
       45 +ilogbf_biased(unsigned v)
       46 +{
  44   47          int r = -22;
  45   48  
  46   49          if (v & 0xffff0000)
  47   50                  r += 16, v >>= 16;
       51 +
  48   52          if (v & 0xff00)
  49   53                  r += 8, v >>= 8;
       54 +
  50   55          if (v & 0xf0)
  51   56                  r += 4, v >>= 4;
       57 +
  52   58          v <<= 1;
  53   59          return (r + ((0xffffaa50 >> v) & 0x3));
  54   60  }
  55      -#endif  /* defined(__x86) */
       61 +#endif /* defined(__x86) */
  56   62  
  57   63  float
  58      -scalblnf(float x, long n) {
  59      -        int *px = (int *) &x, ix, k;
       64 +scalblnf(float x, long n)
       65 +{
       66 +        int *px = (int *)&x, ix, k;
  60   67  
  61   68          ix = *px & ~0x80000000;
  62   69          k = ix >> 23;
       70 +
  63   71          if (k == 0xff)
  64   72  #if defined(FPADD_TRAPS_INCOMPLETE_ON_NAN)
  65   73                  return (ix > 0x7f800000 ? x * x : x);
  66   74  #else
  67   75                  return (x + x);
  68   76  #endif
       77 +
  69   78          if (ix == 0 || n == 0)
  70   79                  return (x);
       80 +
  71   81          if (k == 0) {
  72   82  #if defined(__x86)
  73   83                  x *= two23f;
  74   84                  k = ((*px & ~0x80000000) >> 23) - 23;
  75   85  #else
  76   86                  k = ilogbf_biased(ix);
  77   87                  *px = (*px & 0x80000000) | (ix << (-k + 1));
  78   88  #endif
  79   89          }
  80      -        k += (int) n;
       90 +
       91 +        k += (int)n;
       92 +
  81   93          if (n > 5000 || k > 0xfe)
  82   94                  return (FLT_MAX * copysignf(FLT_MAX, x));
       95 +
  83   96          if (n < -5000 || k <= -25)
  84   97                  return (FLT_MIN * copysignf(FLT_MIN, x));
       98 +
  85   99          if (k > 0) {
  86  100                  *px = (*px & ~0x7f800000) | (k << 23);
  87  101                  return (x);
  88  102          }
      103 +
  89  104          k += 25;
  90  105          *px = (*px & ~0x7f800000) | (k << 23);
  91  106          return (x * twom25f);
  92  107  }
    

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