check (#FLOAT " !isnan (1)", !(isnan (one_var))); \
check (#FLOAT " !isnan (inf)", !(isnan (Inf_var))); \
\
- check (#FLOAT " inf == inf", Inf_var == Inf_var); \
- check (#FLOAT " -inf == -inf", -Inf_var == -Inf_var); \
- check (#FLOAT " inf != -inf", Inf_var != -Inf_var); \
- check (#FLOAT " NaN != NaN", NaN_var != NaN_var); \
- \
/* \
the same tests but this time with NAN from <bits/nan.h> \
NAN is a double const \
check (#FLOAT " isnan (-NAN)", isnan (-NAN)); \
check (#FLOAT " !isinf (NAN)", !(isinf (NAN))); \
check (#FLOAT " !isinf (-NAN)", !(isinf (-NAN))); \
- check (#FLOAT " NAN != NAN", NAN != NAN); \
\
/* \
And again with the value returned by the `nan' function. \
check (#FLOAT " !isinf (-NAN)", !(isinf (-NANFUNC ("")))); \
check (#FLOAT " NAN != NAN", NANFUNC ("") != NANFUNC ("")); \
\
+ /* test if HUGE_VALx is ok */ \
+ x1 = HUGEVAL; \
+ check (#FLOAT " isinf (HUGE_VALx) == +1", isinf (x1) == +1); \
+ x1 = - HUGEVAL; \
+ check (#FLOAT " isinf (-HUGE_VALx) == -1", isinf (x1) == -1); \
+}
+#ifndef DO_C99_MATH
+# undef TEST_FUNC
+# define TEST_FUNC(NAME, FLOAT, NANFUNC, EPSILON, HUGEVAL) \
+static void \
+NAME(void) \
+{ /* nothing */ }
+#endif
+
+#define TEST_VAL(NAME, FLOAT, NANFUNC, EPSILON, HUGEVAL) \
+static void \
+NAME (void) \
+{ \
+ /* Variables are declared volatile to forbid some compiler \
+ optimizations. */ \
+ volatile FLOAT Inf_var, NaN_var, zero_var, one_var; \
+ FLOAT x1, x2; \
+ \
+ zero_var = 0.0; \
+ one_var = 1.0; \
+ NaN_var = zero_var/zero_var; \
+ Inf_var = one_var / zero_var; \
+ \
+ (void) &zero_var; \
+ (void) &one_var; \
+ (void) &NaN_var; \
+ (void) &Inf_var; \
+ \
+ \
+ check (#FLOAT " inf == inf", Inf_var == Inf_var); \
+ check (#FLOAT " -inf == -inf", -Inf_var == -Inf_var); \
+ check (#FLOAT " inf != -inf", Inf_var != -Inf_var); \
+ check (#FLOAT " NaN != NaN", NaN_var != NaN_var); \
+ \
+ check (#FLOAT " NAN != NAN", NAN != NAN); \
+ \
+ \
/* test if EPSILON is ok */ \
x1 = 1.0; \
x2 = x1 + EPSILON; \
x2 = x1 - EPSILON; \
check (#FLOAT " 1 != 1-EPSILON", x1 != x2); \
\
- /* test if HUGE_VALx is ok */ \
- x1 = HUGEVAL; \
- check (#FLOAT " isinf (HUGE_VALx) == +1", isinf (x1) == +1); \
- x1 = - HUGEVAL; \
- check (#FLOAT " isinf (-HUGE_VALx) == -1", isinf (x1) == -1); \
}
-TEST_FUNC (float_test, float, nanf, FLT_EPSILON, HUGE_VALF)
-TEST_FUNC (double_test, double, nan, DBL_EPSILON, HUGE_VAL)
+TEST_VAL (float_test_value, float, nanf, FLT_EPSILON, HUGE_VALF)
+TEST_FUNC (float_test_call, float, nanf, FLT_EPSILON, HUGE_VALF)
+TEST_VAL (double_test_value, double, nan, DBL_EPSILON, HUGE_VAL)
+TEST_FUNC (double_test_call, double, nan, DBL_EPSILON, HUGE_VAL)
#ifndef NO_LONG_DOUBLE
-TEST_FUNC (ldouble_test, long double, nanl, LDBL_EPSILON, HUGE_VALL)
+TEST_VAL (ldouble_test_value, long double, nanl, LDBL_EPSILON, HUGE_VALL)
+TEST_FUNC (ldouble_test_call, long double, nanl, LDBL_EPSILON, HUGE_VALL)
#endif
int
main (void)
{
- float_test ();
- double_test ();
+ float_test_value ();
+ float_test_call ();
+ double_test_value ();
+ double_test_call ();
#ifndef NO_LONG_DOUBLE
- ldouble_test ();
+ ldouble_test_value ();
+ ldouble_test_call ();
#endif
return errors != 0;