#ifndef FLOAT #define FLOAT double #endif /* Like fp-cmp-4.c, but test that the cmove patterns are correct. */ static FLOAT test_isunordered(FLOAT x, FLOAT y, FLOAT a, FLOAT b) { return __builtin_isunordered(x, y) ? a : b; } static FLOAT test_not_isunordered(FLOAT x, FLOAT y, FLOAT a, FLOAT b) { return !__builtin_isunordered(x, y) ? a : b; } static FLOAT test_isless(FLOAT x, FLOAT y, FLOAT a, FLOAT b) { return __builtin_isless(x, y) ? a : b; } static FLOAT test_not_isless(FLOAT x, FLOAT y, FLOAT a, FLOAT b) { return !__builtin_isless(x, y) ? a : b; } static FLOAT test_islessequal(FLOAT x, FLOAT y, FLOAT a, FLOAT b) { return __builtin_islessequal(x, y) ? a : b; } static FLOAT test_not_islessequal(FLOAT x, FLOAT y, FLOAT a, FLOAT b) { return !__builtin_islessequal(x, y) ? a : b; } static FLOAT test_isgreater(FLOAT x, FLOAT y, FLOAT a, FLOAT b) { return __builtin_isgreater(x, y) ? a : b; } static FLOAT test_not_isgreater(FLOAT x, FLOAT y, FLOAT a, FLOAT b) { return !__builtin_isgreater(x, y) ? a : b; } static FLOAT test_isgreaterequal(FLOAT x, FLOAT y, FLOAT a, FLOAT b) { return __builtin_isgreaterequal(x, y) ? a : b; } static FLOAT test_not_isgreaterequal(FLOAT x, FLOAT y, FLOAT a, FLOAT b) { return !__builtin_isgreaterequal(x, y) ? a : b; } static FLOAT test_islessgreater(FLOAT x, FLOAT y, FLOAT a, FLOAT b) { return __builtin_islessgreater(x, y) ? a : b; } static FLOAT test_not_islessgreater(FLOAT x, FLOAT y, FLOAT a, FLOAT b) { return !__builtin_islessgreater(x, y) ? a : b; } static void one_test(FLOAT x, FLOAT y, int expected, FLOAT (*pos) (FLOAT, FLOAT, FLOAT, FLOAT), FLOAT (*neg) (FLOAT, FLOAT, FLOAT, FLOAT)) { if (((*pos)(x, y, 1.0, 2.0) == 1.0) != expected) abort (); if (((*neg)(x, y, 3.0, 4.0) == 4.0) != expected) abort (); } #define NAN (0.0 / 0.0) #define INF (1.0 / 0.0) int main() { struct try { FLOAT x, y; int result[6]; }; static struct try const data[] = { { NAN, NAN, { 1, 0, 0, 0, 0, 0 } }, { 0.0, NAN, { 1, 0, 0, 0, 0, 0 } }, { NAN, 0.0, { 1, 0, 0, 0, 0, 0 } }, { 0.0, 0.0, { 0, 0, 1, 0, 1, 0 } }, { 1.0, 2.0, { 0, 1, 1, 0, 0, 1 } }, { 2.0, 1.0, { 0, 0, 0, 1, 1, 1 } }, { INF, 0.0, { 0, 0, 0, 1, 1, 1 } }, { 1.0, INF, { 0, 1, 1, 0, 0, 1 } }, { INF, INF, { 0, 0, 1, 0, 1, 0 } }, { 0.0, -INF, { 0, 0, 0, 1, 1, 1 } }, { -INF, 1.0, { 0, 1, 1, 0, 0, 1 } }, { -INF, -INF, { 0, 0, 1, 0, 1, 0 } }, { INF, -INF, { 0, 0, 0, 1, 1, 1 } }, { -INF, INF, { 0, 1, 1, 0, 0, 1 } }, }; struct test { FLOAT (*pos)(FLOAT, FLOAT, FLOAT, FLOAT); FLOAT (*neg)(FLOAT, FLOAT, FLOAT, FLOAT); }; static struct test const tests[] = { { test_isunordered, test_not_isunordered }, { test_isless, test_not_isless }, { test_islessequal, test_not_islessequal }, { test_isgreater, test_not_isgreater }, { test_isgreaterequal, test_not_isgreaterequal }, { test_islessgreater, test_not_islessgreater } }; const int n = sizeof(data) / sizeof(data[0]); int i, j; for (i = 0; i < n; ++i) for (j = 0; j < 6; ++j) one_test (data[i].x, data[i].y, data[i].result[j], tests[j].pos, tests[j].neg); exit (0); }