11210 libm should be cstyle(1ONBLD) clean

*** 20,29 ****
--- 20,30 ----
   */
  
  /*
   * Copyright 2011 Nexenta Systems, Inc.  All rights reserved.
   */
+ 
  /*
   * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
*** 32,42 ****
  #include "libm.h"
  
  #define GENERIC long double
  #define ATANH   atanhl
  
! /* ATANH(x)
   *                  1              2x                          x
   *      ATANH(x) = --- * LOG(1 + -------) = 0.5 * LOG1P(2 * --------)
   *                  2             1 - x                      1 - x
   * Note: to guarantee ATANH(-x) = -ATANH(x), we use
   *                 sign(x)             |x|
--- 33,45 ----
  #include "libm.h"
  
  #define GENERIC         long double
  #define ATANH           atanhl
  
! /* BEGIN CSTYLED */
! /*
!  * ATANH(x)
   *                  1              2x                          x
   *      ATANH(x) = --- * LOG(1 + -------) = 0.5 * LOG1P(2 * --------)
   *                  2             1 - x                      1 - x
   * Note: to guarantee ATANH(-x) = -ATANH(x), we use
   *                 sign(x)             |x|
*** 47,73 ****
   *      ATANH(x) is NaN if |x| > 1 with signal;
   *      ATANH(NaN) is that NaN with no signal;
   *      ATANH(+-1) is +-INF with signal.
   *
   */
  
  #define FABS    fabsl
  #define LOG1P   log1pl
  #define COPYSIGN        copysignl
  
  
! extern GENERIC  FABS(),LOG1P(),COPYSIGN();
! 
! static GENERIC
! zero    = (GENERIC) 0.0,
! half    = (GENERIC) 0.5,
! one     = (GENERIC) 1.0;
  
! GENERIC ATANH(x)
! GENERIC x;
  {
          GENERIC t;
          t = FABS(x);
!         if (t == one) return x/zero;
!         t = t/(one-t);
!         return COPYSIGN(half,x)*LOG1P(t+t);
  }
--- 50,77 ----
   *      ATANH(x) is NaN if |x| > 1 with signal;
   *      ATANH(NaN) is that NaN with no signal;
   *      ATANH(+-1) is +-INF with signal.
   *
   */
+ /* END CSTYLED */
  
  #define FABS            fabsl
  #define LOG1P           log1pl
  #define COPYSIGN        copysignl
  
+ extern GENERIC FABS(), LOG1P(), COPYSIGN();
  
! static GENERIC zero = (GENERIC)0.0, half = (GENERIC)0.5, one = (GENERIC)1.0;
  
! GENERIC
! ATANH(GENERIC x)
  {
          GENERIC t;
+ 
          t = FABS(x);
! 
!         if (t == one)
!                 return (x / zero);
! 
!         t = t / (one - t);
!         return (COPYSIGN(half, x) * LOG1P(t + t));
  }