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