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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.target/] [i386/] [fpprec-1.c] - Rev 318
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/* { dg-do run } */ /* { dg-options "-O2 -fno-math-errno -fno-trapping-math -msse2 -mfpmath=sse" } */ /* { dg-require-effective-target sse2 } */ #include "sse2-check.h" double x[] = { __builtin_nan(""), __builtin_inf(), -__builtin_inf(), -0x1.fffffffffffffp+1023, 0x1.fffffffffffffp+1023, /* +-DBL_MAX */ -0x1p-52, 0x1p-52, /* +-DBL_EPSILON */ /* nextafter/before 0.5, 1.0 and 1.5 */ 0x1.0000000000001p-1, 0x1.fffffffffffffp-2, 0x1.0000000000001p+0, 0x1.fffffffffffffp-1, 0x1.8000000000001p+0, 0x1.7ffffffffffffp+0, -0.0, 0.0, -0.5, 0.5, -1.0, 1.0, -1.5, 1.5, -2.0, 2.0, -2.5, 2.5 }; #define NUM (sizeof(x)/sizeof(double)) double expect_round[] = { __builtin_nan(""), __builtin_inf(), -__builtin_inf(), -0x1.fffffffffffffp+1023, 0x1.fffffffffffffp+1023, -0.0, 0.0, 1.0, 0.0, 1.0, 1.0, 2.0, 1.0, -0.0, 0.0, -1.0, 1.0, -1.0, 1.0, -2.0, 2.0, -2.0, 2.0, -3.0, 3.0 }; double expect_rint[] = { __builtin_nan(""), __builtin_inf(), -__builtin_inf(), -0x1.fffffffffffffp+1023, 0x1.fffffffffffffp+1023, -0.0, 0.0, 1.0, 0.0, 1.0, 1.0, 2.0, 1.0, -0.0, 0.0, -0.0, 0.0, -1.0, 1.0, -2.0, 2.0, -2.0, 2.0, -2.0, 2.0 }; double expect_floor[] = { __builtin_nan(""), __builtin_inf(), -__builtin_inf(), -0x1.fffffffffffffp+1023, 0x1.fffffffffffffp+1023, -1.0, 0.0, 0.0, 0.0, 1.0, 0.0, 1.0, 1.0, -0.0, 0.0, -1.0, 0.0, -1.0, 1.0, -2.0, 1.0, -2.0, 2.0, -3.0, 2.0 }; double expect_ceil[] = { __builtin_nan(""), __builtin_inf(), -__builtin_inf(), -0x1.fffffffffffffp+1023, 0x1.fffffffffffffp+1023, -0.0, 1.0, 1.0, 1.0, 2.0, 1.0, 2.0, 2.0, -0.0, 0.0, -0.0, 1.0, -1.0, 1.0, -1.0, 2.0, -2.0, 2.0, -2.0, 3.0 }; double expect_trunc[] = { __builtin_nan(""), __builtin_inf(), -__builtin_inf(), -0x1.fffffffffffffp+1023, 0x1.fffffffffffffp+1023, -0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 1.0, 1.0, -0.0, 0.0, -0.0, 0.0, -1.0, 1.0, -1.0, 1.0, -2.0, 2.0, -2.0, 2.0 }; #define CHECK(fn) \ void check_ ## fn (void) \ { \ int i; \ for (i = 0; i < NUM; ++i) \ { \ double res = __builtin_ ## fn (x[i]); \ if (__builtin_memcmp (&res, &expect_ ## fn [i], sizeof(double)) != 0) \ printf( # fn " [%i]: %.18e %.18e\n", i, expect_ ## fn [i], res), abort (); \ } \ } CHECK(round) CHECK(rint) CHECK(floor) CHECK(ceil) CHECK(trunc) static void sse2_test (void) { check_round (); check_rint (); check_floor (); check_ceil (); check_trunc (); }