11210 libm should be cstyle(1ONBLD) clean

*** 16,50 ****
   * fields enclosed by brackets "[]" replaced with your own identifying
   * information: Portions Copyright [yyyy] [name of copyright owner]
   *
   * CDDL HEADER END
   */
  /*
   * Copyright 2011 Nexenta Systems, Inc.  All rights reserved.
   */
  /*
   * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
  #include "libm.h"
  
  static const double invpi = 0.3183098861837906715377675;
  
  float
! atan2pif(float y, float x) {
          int     ix, iy, hx, hy;
  
          ix = *(int *)&x;
          iy = *(int *)&y;
          hx = ix & ~0x80000000;
          hy = iy & ~0x80000000;
          if (hx > 0x7f800000 || hy > 0x7f800000) /* x or y is nan */
                  return (x * y);
          if ((hx | hy) == 0) {
                  /* x and y are both zero */
                  if (ix == 0)
                          return (y);
!                 return ((iy == 0)? 1.0f : -1.0f);
          }
          return ((float)(invpi * atan2((double)y, (double)x)));
  }
--- 16,57 ----
   * fields enclosed by brackets "[]" replaced with your own identifying
   * information: Portions Copyright [yyyy] [name of copyright owner]
   *
   * CDDL HEADER END
   */
+ 
  /*
   * Copyright 2011 Nexenta Systems, Inc.  All rights reserved.
   */
+ 
  /*
   * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
  #include "libm.h"
  
  static const double invpi = 0.3183098861837906715377675;
  
  float
! atan2pif(float y, float x)
! {
          int ix, iy, hx, hy;
  
          ix = *(int *)&x;
          iy = *(int *)&y;
          hx = ix & ~0x80000000;
          hy = iy & ~0x80000000;
+ 
          if (hx > 0x7f800000 || hy > 0x7f800000) /* x or y is nan */
                  return (x * y);
+ 
          if ((hx | hy) == 0) {
                  /* x and y are both zero */
                  if (ix == 0)
                          return (y);
! 
!                 return ((iy == 0) ? 1.0f : -1.0f);
          }
+ 
          return ((float)(invpi * atan2((double)y, (double)x)));
  }