| /* Test complex divide does not have the bug identified in N1496. */ |
| /* { dg-do run } */ |
| /* { dg-options "-std=c11 -pedantic-errors" } */ |
| /* { dg-add-options ieee } */ |
| |
| extern void abort (void); |
| extern void exit (int); |
| |
| #define CMPLX(x, y) __builtin_complex ((double) (x), (double) (y)) |
| #define CMPLXF(x, y) __builtin_complex ((float) (x), (float) (y)) |
| #define CMPLXL(x, y) __builtin_complex ((long double) (x), (long double) (y)) |
| #define NAN __builtin_nanf ("") |
| #define isnan(x) __builtin_isnan (x) |
| |
| volatile _Complex float num_f = CMPLXF (1, 1); |
| volatile _Complex float den_f = CMPLXF (0, NAN); |
| volatile _Complex float res_f, cres_f = CMPLXF (1, 1) / CMPLXF (0, NAN); |
| |
| volatile _Complex double num_d = CMPLX (1, 1); |
| volatile _Complex double den_d = CMPLX (0, NAN); |
| volatile _Complex double res_d, cres_d = CMPLX (1, 1) / CMPLX (0, NAN); |
| |
| volatile _Complex long double num_ld = CMPLXL (1, 1); |
| volatile _Complex long double den_ld = CMPLXL (0, NAN); |
| volatile _Complex long double res_ld, cres_ld = CMPLXL (1, 1) / CMPLXL (0, NAN); |
| |
| int |
| main (void) |
| { |
| res_f = num_f / den_f; |
| if (!isnan (__real__ res_f) || !isnan (__imag__ res_f) |
| || !isnan (__real__ cres_f) || !isnan (__imag__ cres_f)) |
| abort (); |
| res_d = num_d / den_d; |
| if (!isnan (__real__ res_d) || !isnan (__imag__ res_d) |
| || !isnan (__real__ cres_d) || !isnan (__imag__ cres_d)) |
| abort (); |
| res_ld = num_ld / den_ld; |
| if (!isnan (__real__ res_ld) || !isnan (__imag__ res_ld) |
| || !isnan (__real__ cres_ld) || !isnan (__imag__ cres_ld)) |
| abort (); |
| exit (0); |
| } |