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/* Copyright (C) 2006 Free Software Foundation.
Verify that built-in math function folding of symmetric even and
odd functions is correctly performed by the compiler.
Origin: Kaveh R. Ghazi, November 09, 2006. */
/* { dg-do link } */
/* { dg-options "-ffast-math" } */
/* All references to link_error should go away at compile-time. */
extern void link_error(int);
/* Test that FUNC(-ARG) == FUNC(ARG). */
#define TESTIT_EVEN(FUNC) do { \
if (__builtin_##FUNC##f(-xf) != __builtin_##FUNC##f(xf)) \
link_error(__LINE__); \
if (__builtin_##FUNC(-x) != __builtin_##FUNC(x)) \
link_error(__LINE__); \
if (__builtin_##FUNC##l(-xl) != __builtin_##FUNC##l(xl)) \
link_error(__LINE__); \
} while (0)
/* Test that FUNC(-ARG) == FUNC(ARG), where ARG has a complex type. */
#define TESTIT_EVEN_C(FUNC) do { \
if (__builtin_##FUNC##f(-cxf) != __builtin_##FUNC##f(cxf)) \
link_error(__LINE__); \
if (__builtin_##FUNC(-cx) != __builtin_##FUNC(cx)) \
link_error(__LINE__); \
if (__builtin_##FUNC##l(-cxl) != __builtin_##FUNC##l(cxl)) \
link_error(__LINE__); \
} while (0)
/* Test that FUNC(-VAR) == FUNC(VAR), where VAR has an int type. */
#define TESTIT_EVEN_I(FUNC,VAR) do { \
if (__builtin_##FUNC(-VAR) != __builtin_##FUNC(VAR)) \
link_error(__LINE__); \
} while (0)
/* Test that -FUNC(ARG) == FUNC(-ARG). */
#define TESTIT_ODD(FUNC) do { \
if (-__builtin_##FUNC##f(-xf) != __builtin_##FUNC##f(xf)) \
link_error(__LINE__); \
if (-__builtin_##FUNC(-x) != __builtin_##FUNC(x)) \
link_error(__LINE__); \
if (-__builtin_##FUNC##l(-xl) != __builtin_##FUNC##l(xl)) \
link_error(__LINE__); \
} while (0)
/* Test that -FUNC(ARG) == FUNC(-ARG), where ARG has a complex type. */
#define TESTIT_ODD_C(FUNC) do { \
if (-__builtin_##FUNC##f(-cxf) != __builtin_##FUNC##f(cxf)) \
link_error(__LINE__); \
if (-__builtin_##FUNC(-cx) != __builtin_##FUNC(cx)) \
link_error(__LINE__); \
if (-__builtin_##FUNC##l(-cxl) != __builtin_##FUNC##l(cxl)) \
link_error(__LINE__); \
} while (0)
void foo (float xf, double x, long double xl,
__complex__ float cxf, __complex__ double cx, __complex__ long double cxl,
int i, long l, long long ll, __INTMAX_TYPE__ im)
{
TESTIT_EVEN(cos);
TESTIT_EVEN(cosh);
TESTIT_EVEN(fabs);
TESTIT_EVEN_C(ccos);
TESTIT_EVEN_C(ccosh);
TESTIT_EVEN_C(cabs);
TESTIT_EVEN_I(abs, i);
TESTIT_EVEN_I(imaxabs, im);
TESTIT_EVEN_I(labs, l);
TESTIT_EVEN_I(llabs, ll);
TESTIT_ODD(asin);
TESTIT_ODD(asinh);
TESTIT_ODD(atan);
TESTIT_ODD(atanh);
TESTIT_ODD(cbrt);
TESTIT_ODD(erf);
TESTIT_ODD(llrint);
TESTIT_ODD(llround);
TESTIT_ODD(lrint);
TESTIT_ODD(lround);
TESTIT_ODD(nearbyint);
TESTIT_ODD(rint);
TESTIT_ODD(round);
TESTIT_ODD(sin);
TESTIT_ODD(sinh);
TESTIT_ODD(tan);
TESTIT_ODD(tanh);
TESTIT_ODD(trunc);
TESTIT_ODD_C(casin);
TESTIT_ODD_C(casinh);
TESTIT_ODD_C(catan);
TESTIT_ODD_C(catanh);
TESTIT_ODD_C(cproj);
TESTIT_ODD_C(csin);
TESTIT_ODD_C(csinh);
TESTIT_ODD_C(ctan);
TESTIT_ODD_C(ctanh);
}
int main()
{
foo (1,1,1,1,1,1,1,1,1,1);
return 0;
}
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