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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [builtins-20.c] - Rev 313
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/* Copyright (C) 2003 Free Software Foundation. Verify that built-in math function constant folding doesn't break anything and produces the expected results. Written by Roger Sayle, 8th June 2003. */ /* { dg-do link } */ /* { dg-options "-O2 -ffast-math" } */ /* { dg-add-options c99_runtime } */ #include "builtins-config.h" extern double cos (double); extern double sin (double); extern double tan (double); extern double fabs (double); extern double atan2 (double, double); extern double copysign (double, double); extern double fmin (double, double); extern double fmax (double, double); extern double hypot (double, double); extern double pure (double) __attribute__ ((__pure__)); extern double carg (__complex__ double); extern __complex__ double ccos (__complex__ double); extern __complex__ double ctan (__complex__ double); extern float cosf (float); extern float sinf (float); extern float tanf (float); extern float fabsf (float); extern float atan2f (float, float); extern float copysignf (float, float); extern float fminf (float, float); extern float fmaxf (float, float); extern float hypotf (float, float); extern float puref (float) __attribute__ ((__pure__)); extern float cargf (__complex__ float); extern __complex__ float ccosf (__complex__ float); extern __complex__ float ctanf (__complex__ float); extern long double cosl (long double); extern long double sinl (long double); extern long double tanl (long double); extern long double fabsl (long double); extern long double atan2l (long double, long double); extern long double copysignl (long double, long double); extern long double fminl (long double, long double); extern long double fmaxl (long double, long double); extern long double hypotl (long double, long double); extern long double purel (long double) __attribute__ ((__pure__)); extern long double cargl (__complex__ long double); extern __complex__ long double ccosl (__complex__ long double); extern __complex__ long double ctanl (__complex__ long double); extern void link_error(void); void test1(double x) { if (cos(x) != cos(-x)) link_error (); if (cos(x) != cos(fabs(x))) link_error (); if (cos(x) != cos(-fabs(x))) link_error (); if (cos(tan(x)) != cos(tan(-fabs(x)))) link_error (); if (sin(x)/cos(x) != tan(x)) link_error (); if (cos(x)/sin(x) != 1.0/tan(x)) link_error (); if (tan(x)*cos(x) != sin(x)) link_error (); if (cos(x)*tan(x) != sin(x)) link_error (); if (sin(x)/tan(x) != cos(x)) link_error (); if (tan(x)/sin(x) != 1.0/cos(x)) link_error (); } void test2(double x, double y) { if (-tan(x-y) != tan(y-x)) link_error (); if (-sin(x-y) != sin(y-x)) link_error (); if (cos(-x*y) != cos(x*y)) link_error (); if (cos(x*-y) != cos(x*y)) link_error (); if (cos(-x/y) != cos(x/y)) link_error (); if (cos(x/-y) != cos(x/y)) link_error (); if (cos(-fabs(tan(x/-y))) != cos(tan(x/y))) link_error (); if (cos(y<10 ? -x : y) != cos(y<10 ? x : y)) link_error (); if (cos(y<10 ? x : -y) != cos(y<10 ? x : y)) link_error (); if (cos(y<10 ? -fabs(x) : tan(x<20 ? -x : -fabs(y))) != cos(y<10 ? x : tan(x<20 ? x : y))) link_error (); if (cos((y*=3, -x)) != cos((y*=3,x))) link_error (); if (cos((y*=2, -fabs(tan(x/-y)))) != cos((y*=2,tan(x/y)))) link_error (); if (cos(copysign(x,y)) != cos(x)) link_error (); if (cos(copysign(-fabs(x),y*=2)) != cos((y*=2,x))) link_error (); if (hypot (x, 0) != fabs(x)) link_error (); if (hypot (0, x) != fabs(x)) link_error (); if (hypot (x, x) != fabs(x) * __builtin_sqrt(2)) link_error (); if (hypot (-x, y) != hypot (x, y)) link_error (); if (hypot (x, -y) != hypot (x, y)) link_error (); if (hypot (-x, -y) != hypot (x, y)) link_error (); if (hypot (fabs(x), y) != hypot (x, y)) link_error (); if (hypot (x, fabs(y)) != hypot (x, y)) link_error (); if (hypot (fabs(x), fabs(y)) != hypot (x, y)) link_error (); if (hypot (-fabs(-x), -fabs(fabs(fabs(-y)))) != hypot (x, y)) link_error (); if (hypot (-x, 0) != fabs(x)) link_error (); if (hypot (-x, x) != fabs(x) * __builtin_sqrt(2)) link_error (); if (hypot (pure(x), -pure(x)) != fabs(pure(x)) * __builtin_sqrt(2)) link_error (); if (hypot (tan(-x), tan(-fabs(y))) != hypot (tan(x), tan(y))) link_error (); if (fmin (fmax(x,y),y) != y) link_error (); if (fmin (fmax(y,x),y) != y) link_error (); if (fmin (x,fmax(x,y)) != x) link_error (); if (fmin (x,fmax(y,x)) != x) link_error (); if (fmax (fmin(x,y),y) != y) link_error (); if (fmax (fmin(y,x),y) != y) link_error (); if (fmax (x,fmin(x,y)) != x) link_error (); if (fmax (x,fmin(y,x)) != x) link_error (); if ((__complex__ double) x != -(__complex__ double) (-x)) link_error (); if (x*1i != -(-x*1i)) link_error (); if (x+(x-y)*1i != -(-x+(y-x)*1i)) link_error (); if (x+(x-y)*1i != -(-x-(x-y)*1i)) link_error (); if (ccos(tan(x)+sin(y)*1i) != ccos(-tan(-x)+-sin(-y)*1i)) link_error (); if (ccos(tan(x)+sin(x-y)*1i) != ccos(-tan(-x)-sin(y-x)*1i)) link_error (); if (-5+x*1i != -~(5+x*1i)) link_error (); if (tan(x)+tan(y)*1i != -~(tan(-x)+tan(y)*1i)) link_error (); } void test3(__complex__ double x, __complex__ double y, int i) { if (carg(x) != atan2(__imag__ x, __real__ x)) link_error (); if (ccos(x) != ccos(-x)) link_error(); if (ccos(ctan(x)) != ccos(ctan(-x))) link_error(); if (ctan(x-y) != -ctan(y-x)) link_error(); if (ccos(x/y) != ccos(-x/y)) link_error(); if (ccos(x/y) != ccos(x/-y)) link_error(); if (ccos(x/ctan(y)) != ccos(-x/ctan(-y))) link_error(); if (ccos(x*y) != ccos(-x*y)) link_error(); if (ccos(x*y) != ccos(x*-y)) link_error(); if (ccos(ctan(x)*y) != ccos(ctan(-x)*-y)) link_error(); if (ccos(ctan(x/y)) != ccos(-ctan(x/-y))) link_error(); if (ccos(i ? x : y) != ccos(i ? -x : y)) link_error(); if (ccos(i ? x : y) != ccos(i ? x : -y)) link_error(); if (ccos(i ? x : ctan(y/x)) != ccos(i ? -x : -ctan(-y/x))) link_error(); if (~x != -~-x) link_error(); if (ccos(~x) != ccos(-~-x)) link_error(); if (ctan(~(x-y)) != -ctan(~(y-x))) link_error(); if (ctan(~(x/y)) != -ctan(~(x/-y))) link_error(); } void test1f(float x) { if (cosf(x) != cosf(-x)) link_error (); if (cosf(x) != cosf(fabsf(x))) link_error (); if (cosf(x) != cosf(-fabsf(x))) link_error (); if (cosf(tanf(x)) != cosf(tanf(-fabsf(x)))) link_error (); #ifdef HAVE_C99_RUNTIME if (sinf(x)/cosf(x) != tanf(x)) link_error (); if (cosf(x)/sinf(x) != 1.0f/tanf(x)) link_error (); if (tanf(x)*cosf(x) != sinf(x)) link_error (); if (cosf(x)*tanf(x) != sinf(x)) link_error (); if (sinf(x)/tanf(x) != cosf(x)) link_error (); if (tanf(x)/sinf(x) != 1.0f/cosf(x)) link_error (); #endif } void test2f(float x, float y) { if (-tanf(x-y) != tanf(y-x)) link_error (); if (-sinf(x-y) != sinf(y-x)) link_error (); if (cosf(-x*y) != cosf(x*y)) link_error (); if (cosf(x*-y) != cosf(x*y)) link_error (); if (cosf(-x/y) != cosf(x/y)) link_error (); if (cosf(x/-y) != cosf(x/y)) link_error (); if (cosf(-fabsf(tanf(x/-y))) != cosf(tanf(x/y))) link_error (); if (cosf(y<10 ? -x : y) != cosf(y<10 ? x : y)) link_error (); if (cosf(y<10 ? x : -y) != cosf(y<10 ? x : y)) link_error (); if (cosf(y<10 ? -fabsf(x) : tanf(x<20 ? -x : -fabsf(y))) != cosf(y<10 ? x : tanf(x<20 ? x : y))) link_error (); if (cosf((y*=3, -x)) != cosf((y*=3,x))) link_error (); if (cosf((y*=2, -fabsf(tanf(x/-y)))) != cosf((y*=2,tanf(x/y)))) link_error (); if (cosf(copysignf(x,y)) != cosf(x)) link_error (); if (cosf(copysignf(-fabsf(x),y*=2)) != cosf((y*=2,x))) link_error (); if (hypotf (x, 0) != fabsf(x)) link_error (); if (hypotf (0, x) != fabsf(x)) link_error (); if (hypotf (x, x) != fabsf(x) * __builtin_sqrtf(2)) link_error (); if (hypotf (-x, y) != hypotf (x, y)) link_error (); if (hypotf (x, -y) != hypotf (x, y)) link_error (); if (hypotf (-x, -y) != hypotf (x, y)) link_error (); if (hypotf (fabsf(x), y) != hypotf (x, y)) link_error (); if (hypotf (x, fabsf(y)) != hypotf (x, y)) link_error (); if (hypotf (fabsf(x), fabsf(y)) != hypotf (x, y)) link_error (); if (hypotf (-fabsf(-x), -fabsf(fabsf(fabsf(-y)))) != hypotf (x, y)) link_error (); if (hypotf (-x, 0) != fabsf(x)) link_error (); if (hypotf (-x, x) != fabsf(x) * __builtin_sqrtf(2)) link_error (); if (hypotf (puref(x), -puref(x)) != fabsf(puref(x)) * __builtin_sqrtf(2)) link_error (); if (hypotf (tanf(-x), tanf(-fabsf(y))) != hypotf (tanf(x), tanf(y))) link_error (); if (fminf (fmaxf(x,y),y) != y) link_error (); if (fminf (fmaxf(y,x),y) != y) link_error (); if (fminf (x,fmaxf(x,y)) != x) link_error (); if (fminf (x,fmaxf(y,x)) != x) link_error (); if (fmaxf (fminf(x,y),y) != y) link_error (); if (fmaxf (fminf(y,x),y) != y) link_error (); if (fmaxf (x,fminf(x,y)) != x) link_error (); if (fmaxf (x,fminf(y,x)) != x) link_error (); if ((__complex__ float) x != -(__complex__ float) (-x)) link_error (); if (x+(x-y)*1i != -(-x+(y-x)*1i)) link_error (); if (x+(x-y)*1i != -(-x-(x-y)*1i)) link_error (); if (ccosf(tanf(x)+sinf(y)*1i) != ccosf(-tanf(-x)+-sinf(-y)*1i)) link_error (); if (ccosf(tanf(x)+sinf(x-y)*1i) != ccosf(-tanf(-x)-sinf(y-x)*1i)) link_error (); if (-5+x*1i != -~(5+x*1i)) link_error (); if (tanf(x)+tanf(y)*1i != -~(tanf(-x)+tanf(y)*1i)) link_error (); } void test3f(__complex__ float x, __complex__ float y, int i) { if (ccosf(x) != ccosf(-x)) link_error(); if (ccosf(ctanf(x)) != ccosf(ctanf(-x))) link_error(); if (ctanf(x-y) != -ctanf(y-x)) link_error(); if (ccosf(x/y) != ccosf(-x/y)) link_error(); if (ccosf(x/y) != ccosf(x/-y)) link_error(); if (ccosf(x/ctanf(y)) != ccosf(-x/ctanf(-y))) link_error(); if (ccosf(x*y) != ccosf(-x*y)) link_error(); if (ccosf(x*y) != ccosf(x*-y)) link_error(); if (ccosf(ctanf(x)*y) != ccosf(ctanf(-x)*-y)) link_error(); if (ccosf(ctanf(x/y)) != ccosf(-ctanf(x/-y))) link_error(); if (ccosf(i ? x : y) != ccosf(i ? -x : y)) link_error(); if (ccosf(i ? x : y) != ccosf(i ? x : -y)) link_error(); if (ccosf(i ? x : ctanf(y/x)) != ccosf(i ? -x : -ctanf(-y/x))) link_error(); if (~x != -~-x) link_error(); if (ccosf(~x) != ccosf(-~-x)) link_error(); if (ctanf(~(x-y)) != -ctanf(~(y-x))) link_error(); if (ctanf(~(x/y)) != -ctanf(~(x/-y))) link_error(); #ifdef HAVE_C99_RUNTIME if (cargf(x) != atan2f(__imag__ x, __real__ x)) link_error (); #endif } void test1l(long double x) { if (cosl(x) != cosl(-x)) link_error (); if (cosl(x) != cosl(fabsl(x))) link_error (); if (cosl(x) != cosl(-fabsl(x))) link_error (); if (cosl(tanl(x)) != cosl(tanl(-fabsl(x)))) link_error (); #ifdef HAVE_C99_RUNTIME if (sinl(x)/cosl(x) != tanl(x)) link_error (); if (cosl(x)/sinl(x) != 1.0l/tanl(x)) link_error (); if (tanl(x)*cosl(x) != sinl(x)) link_error (); if (cosl(x)*tanl(x) != sinl(x)) link_error (); if (sinl(x)/tanl(x) != cosl(x)) link_error (); if (tanl(x)/sinl(x) != 1.0l/cosl(x)) link_error (); #endif } void test2l(long double x, long double y) { if (-tanl(x-y) != tanl(y-x)) link_error (); if (-sinl(x-y) != sinl(y-x)) link_error (); if (cosl(-x*y) != cosl(x*y)) link_error (); if (cosl(x*-y) != cosl(x*y)) link_error (); if (cosl(-x/y) != cosl(x/y)) link_error (); if (cosl(x/-y) != cosl(x/y)) link_error (); if (cosl(-fabsl(tanl(x/-y))) != cosl(tanl(x/y))) link_error (); if (cosl(y<10 ? -x : y) != cosl(y<10 ? x : y)) link_error (); if (cosl(y<10 ? x : -y) != cosl(y<10 ? x : y)) link_error (); if (cosl(y<10 ? -fabsl(x) : tanl(x<20 ? -x : -fabsl(y))) != cosl(y<10 ? x : tanl(x<20 ? x : y))) link_error (); if (cosl((y*=3, -x)) != cosl((y*=3,x))) link_error (); if (cosl((y*=2, -fabsl(tanl(x/-y)))) != cosl((y*=2,tanl(x/y)))) link_error (); if (cosl(copysignl(x,y)) != cosl(x)) link_error (); if (cosl(copysignl(-fabsl(x),y*=2)) != cosl((y*=2,x))) link_error (); if (hypotl (x, 0) != fabsl(x)) link_error (); if (hypotl (0, x) != fabsl(x)) link_error (); if (hypotl (x, x) != fabsl(x) * __builtin_sqrtl(2)) link_error (); if (hypotl (-x, y) != hypotl (x, y)) link_error (); if (hypotl (x, -y) != hypotl (x, y)) link_error (); if (hypotl (-x, -y) != hypotl (x, y)) link_error (); if (hypotl (fabsl(x), y) != hypotl (x, y)) link_error (); if (hypotl (x, fabsl(y)) != hypotl (x, y)) link_error (); if (hypotl (fabsl(x), fabsl(y)) != hypotl (x, y)) link_error (); if (hypotl (-fabsl(-x), -fabsl(fabsl(fabsl(-y)))) != hypotl (x, y)) link_error (); if (hypotl (-x, 0) != fabsl(x)) link_error (); if (hypotl (-x, x) != fabsl(x) * __builtin_sqrtl(2)) link_error (); if (hypotl (purel(x), -purel(x)) != fabsl(purel(x)) * __builtin_sqrtl(2)) link_error (); if (hypotl (tanl(-x), tanl(-fabsl(y))) != hypotl (tanl(x), tanl(y))) link_error (); if (fminl (fmaxl(x,y),y) != y) link_error (); if (fminl (fmaxl(y,x),y) != y) link_error (); if (fminl (x,fmaxl(x,y)) != x) link_error (); if (fminl (x,fmaxl(y,x)) != x) link_error (); if (fmaxl (fminl(x,y),y) != y) link_error (); if (fmaxl (fminl(y,x),y) != y) link_error (); if (fmaxl (x,fminl(x,y)) != x) link_error (); if (fmaxl (x,fminl(y,x)) != x) link_error (); if ((__complex__ long double) x != -(__complex__ long double) (-x)) link_error (); if (x+(x-y)*1i != -(-x+(y-x)*1i)) link_error (); if (x+(x-y)*1i != -(-x-(x-y)*1i)) link_error (); if (ccosl(tanl(x)+sinl(y)*1i) != ccosl(-tanl(-x)+-sinl(-y)*1i)) link_error (); if (ccosl(tanl(x)+sinl(x-y)*1i) != ccosl(-tanl(-x)-sinl(y-x)*1i)) link_error (); if (-5+x*1i != -~(5+x*1i)) link_error (); if (tanl(x)+tanl(y)*1i != -~(tanl(-x)+tanl(y)*1i)) link_error (); } void test3l(__complex__ long double x, __complex__ long double y, int i) { if (ccosl(x) != ccosl(-x)) link_error(); if (ccosl(ctanl(x)) != ccosl(ctanl(-x))) link_error(); if (ctanl(x-y) != -ctanl(y-x)) link_error(); if (ccosl(x/y) != ccosl(-x/y)) link_error(); if (ccosl(x/y) != ccosl(x/-y)) link_error(); if (ccosl(x/ctanl(y)) != ccosl(-x/ctanl(-y))) link_error(); if (ccosl(x*y) != ccosl(-x*y)) link_error(); if (ccosl(x*y) != ccosl(x*-y)) link_error(); if (ccosl(ctanl(x)*y) != ccosl(ctanl(-x)*-y)) link_error(); if (ccosl(ctanl(x/y)) != ccosl(-ctanl(x/-y))) link_error(); if (ccosl(i ? x : y) != ccosl(i ? -x : y)) link_error(); if (ccosl(i ? x : y) != ccosl(i ? x : -y)) link_error(); if (ccosl(i ? x : ctanl(y/x)) != ccosl(i ? -x : -ctanl(-y/x))) link_error(); if (~x != -~-x) link_error(); if (ccosl(~x) != ccosl(-~-x)) link_error(); if (ctanl(~(x-y)) != -ctanl(~(y-x))) link_error(); if (ctanl(~(x/y)) != -ctanl(~(x/-y))) link_error(); #ifdef HAVE_C99_RUNTIME if (cargl(x) != atan2l(__imag__ x, __real__ x)) link_error (); #endif } int main() { test1 (1.0); test2 (1.0, 2.0); test1f (1.0f); test2f (1.0f, 2.0f); test1l (1.0l); test2l (1.0l, 2.0l); return 0; }
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