*** 120,130 ****
  #define Inf     HUGE_VAL
  
  double
  _SVID_libm_err(double x, double y, int type) {
          struct exception        exc;
!         double                  t, w, ieee_retval;
          enum version            lib_version = _lib_version;
          int                     iy;
  
          /* force libm_ieee behavior in SUSv3 mode */
          if ((__xpg6 & _C99SUSv3_math_errexcept) != 0)
--- 120,130 ----
  #define Inf     HUGE_VAL
  
  double
  _SVID_libm_err(double x, double y, int type) {
          struct exception        exc;
!         double                  t, w, ieee_retval = 0;
          enum version            lib_version = _lib_version;
          int                     iy;
  
          /* force libm_ieee behavior in SUSv3 mode */
          if ((__xpg6 & _C99SUSv3_math_errexcept) != 0)
*** 854,869 ****
                  exc.retval = x;
                  ieee_retval = 1.0;
                  if (lib_version == strict_ansi) {
                          exc.retval = 1.0;
                  } else if (!matherr(&exc)) {
!                         switch (lib_version) {
!                         case c_issue_4:
!                         case ansi_1:
                                  errno = EDOM;
                          }
-                 }
                  break;
          case 43:
                  /* log1p(-1) */
                  exc.type = SING;
                  exc.name = "log1p";
--- 854,866 ----
                  exc.retval = x;
                  ieee_retval = 1.0;
                  if (lib_version == strict_ansi) {
                          exc.retval = 1.0;
                  } else if (!matherr(&exc)) {
!                         if ((lib_version == c_issue_4) || (lib_version == ansi_1))
                                  errno = EDOM;
                  }
                  break;
          case 43:
                  /* log1p(-1) */
                  exc.type = SING;
                  exc.name = "log1p";