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.
   */
  
*** 59,70 ****
  #pragma weak __atan2l = atan2l
  
  #include "libm.h"
  #include "longdouble.h"
  
! static const long double
!         zero    =  0.0L,
          tiny    =  1.0e-40L,
          one     =  1.0L,
          half    =  0.5L,
          PI3o4   =  2.356194490192344928846982537459627163148L,
          PIo4    =  0.785398163397448309615660845819875721049L,
--- 60,70 ----
  #pragma weak __atan2l = atan2l
  
  #include "libm.h"
  #include "longdouble.h"
  
! static const long double zero = 0.0L,
          tiny = 1.0e-40L,
          one = 1.0L,
          half = 0.5L,
          PI3o4 = 2.356194490192344928846982537459627163148L,
          PIo4 = 0.785398163397448309615660845819875721049L,
*** 78,106 ****
          long double t, z;
          int k, m, signy, signx;
  
          if (x != x || y != y)
                  return (x + y); /* return NaN if x or y is NAN */
          signy = signbitl(y);
          signx = signbitl(x);
          if (x == one)
                  return (atanl(y));
          /* Ensure sign indicators are boolean */
          m = (signy != 0) + (signx != 0) + (signx != 0);
  
          /* when y = 0 */
!         if (y == zero)
                  switch (m) {
                  case 0:
                          return (y);     /* atan(+0,+anything) */
                  case 1:
                          return (y);     /* atan(-0,+anything) */
                  case 2:
                          return (PI + tiny);     /* atan(+0,-anything) */
                  case 3:
                          return (-PI - tiny);    /* atan(-0,-anything) */
                  }
  
          /* when x = 0 */
          if (x == zero)
                  return (signy != 0 ? -PIo2 - tiny : PIo2 + tiny);
  
--- 78,110 ----
          long double t, z;
          int k, m, signy, signx;
  
          if (x != x || y != y)
                  return (x + y);         /* return NaN if x or y is NAN */
+ 
          signy = signbitl(y);
          signx = signbitl(x);
+ 
          if (x == one)
                  return (atanl(y));
+ 
          /* Ensure sign indicators are boolean */
          m = (signy != 0) + (signx != 0) + (signx != 0);
  
          /* when y = 0 */
!         if (y == zero) {
                  switch (m) {
                  case 0:
                          return (y);             /* atan(+0,+anything) */
                  case 1:
                          return (y);             /* atan(-0,+anything) */
                  case 2:
                          return (PI + tiny);     /* atan(+0,-anything) */
                  case 3:
                          return (-PI - tiny);    /* atan(-0,-anything) */
                  }
+         }
  
          /* when x = 0 */
          if (x == zero)
                  return (signy != 0 ? -PIo2 - tiny : PIo2 + tiny);
  
*** 128,137 ****
--- 132,142 ----
                          case 3:
                                  return (-PI - tiny);    /* atan(-...,-INF) */
                          }
                  }
          }
+ 
          /* when y is INF */
          if (!finitel(y))
                  return (signy != 0 ? -PIo2 - tiny : PIo2 + tiny);
  
          /* compute y/x */
*** 155,162 ****
--- 160,168 ----
          case 2:
                  return (PI - (z - t));  /* atan(+,-) */
          case 3:
                  return ((z - t) - PI);  /* atan(-,-) */
          }
+ 
          /* NOTREACHED */
          return (0.0L);
  }