diff options
| -rw-r--r-- | math.c | 16 |
1 files changed, 16 insertions, 0 deletions
@@ -6,6 +6,13 @@ void test_math_h(void) int iexp = 1; double iptr = 0; + long double ldm1 = -1.0; + double dm1 = -1.0; + float fm1 = -1.0; + long double ld1 = 1.0; + double d1 = 1.0; + float f1 = 1.0; + testing_header("math.h"); test_defined(HUGE_VAL); @@ -33,5 +40,14 @@ void test_math_h(void) test_double(floor(0.9), 0); test_double(fmod(1, 1), 0); + #if defined __STDC_VERSION__ && 19901 <= __STDC_VERSION__ + test_int_equals(signbit(ldm1), 1); + test_int_equals(signbit(dm1), 1); + test_int_equals(signbit(fm1), 1); + test_int_equals(signbit(ld1), 0); + test_int_equals(signbit(d1), 0); + test_int_equals(signbit(f1), 0); + #endif + testing_end(); } |