diff options
| -rw-r--r-- | gcc/testsuite/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/c11-complex-1.c | 42 |
2 files changed, 46 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 2d724f73207..df1ee9a4665 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,5 +1,9 @@ 2013-11-13 Joseph Myers <joseph@codesourcery.com> + * gcc.dg/c11-complex-1.c: New test. + +2013-11-13 Joseph Myers <joseph@codesourcery.com> + * gcc.dg/atomic/stdatomic-vm.c, gcc.dg/auto-type-1.c, gcc.dg/auto-type-2.c: New tests. diff --git a/gcc/testsuite/gcc.dg/c11-complex-1.c b/gcc/testsuite/gcc.dg/c11-complex-1.c new file mode 100644 index 00000000000..e2d3c460f40 --- /dev/null +++ b/gcc/testsuite/gcc.dg/c11-complex-1.c @@ -0,0 +1,42 @@ +/* Test complex divide does not have the bug identified in N1496. */ +/* { dg-do run } */ +/* { dg-options "-std=c11 -pedantic-errors" } */ + +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); +} |