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2006-06-18 Jerry DeLisle <jvdelisle@gcc.gnu.org> PR fortran/19310 * arith.c (gfc_range_check): Return ARITH_OK if -fno-range-check. Add return of ARITH_NAN, ARITH_UNDERFLOW, and ARITH_OVERFLOW. (gfc_arith_divide): If -fno-range-check allow mpfr to divide by zero. * gfortran.h (gfc_option_t): Add new flag. * invoke.texi: Document new flag. * lang.opt: Add option -frange-check. * options.c (gfc_init_options): Initialize new flag. (gfc_handle_options): Set flag if invoked. * simplify.c (range_check): Add error messages for overflow, underflow, and other errors. * trans-const.c (gfc_conv_mpfr_to_tree): Build NaN and Inf from mpfr result. From-SVN: r114752
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