diff options
| -rw-r--r-- | test/builtins/Unit/compiler_rt_logbf_test.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/test/builtins/Unit/compiler_rt_logbf_test.c b/test/builtins/Unit/compiler_rt_logbf_test.c index fa3b8999f..4563fbdb4 100644 --- a/test/builtins/Unit/compiler_rt_logbf_test.c +++ b/test/builtins/Unit/compiler_rt_logbf_test.c @@ -13,15 +13,19 @@ //===----------------------------------------------------------------------===// #define SINGLE_PRECISION +#include "fp_lib.h" +#include "int_math.h" #include <math.h> #include <stdio.h> -#include "fp_lib.h" int test__compiler_rt_logbf(fp_t x) { fp_t crt_value = __compiler_rt_logbf(x); fp_t libm_value = logbf(x); - // Compare actual rep, e.g. to avoid NaN != the same NaN - if (toRep(crt_value) != toRep(libm_value)) { + // `!=` operator on fp_t returns false for NaNs so also check if operands are + // both NaN. We don't do `toRepr(crt_value) != toRepr(libm_value)` because + // that treats different representations of NaN as not equivalent. + if (crt_value != libm_value && + !(crt_isnan(crt_value) && crt_isnan(libm_value))) { printf("error: in __compiler_rt_logb(%a [%X]) = %a [%X] != %a [%X]\n", x, toRep(x), crt_value, toRep(crt_value), libm_value, toRep(libm_value)); |