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Diffstat (limited to 'tools/regression/lib/msun/test-cexp.c')
| -rw-r--r-- | tools/regression/lib/msun/test-cexp.c | 322 |
1 files changed, 0 insertions, 322 deletions
diff --git a/tools/regression/lib/msun/test-cexp.c b/tools/regression/lib/msun/test-cexp.c deleted file mode 100644 index 69897d3..0000000 --- a/tools/regression/lib/msun/test-cexp.c +++ /dev/null @@ -1,322 +0,0 @@ -/*- - * Copyright (c) 2008-2011 David Schultz <das@FreeBSD.org> - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -/* - * Tests for corner cases in cexp*(). - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include <assert.h> -#include <complex.h> -#include <fenv.h> -#include <float.h> -#include <math.h> -#include <stdio.h> - -#include "test-utils.h" - -#define N(i) (sizeof(i) / sizeof((i)[0])) - -#pragma STDC FENV_ACCESS ON -#pragma STDC CX_LIMITED_RANGE OFF - -/* - * Test that a function returns the correct value and sets the - * exception flags correctly. The exceptmask specifies which - * exceptions we should check. We need to be lenient for several - * reasons, but mainly because on some architectures it's impossible - * to raise FE_OVERFLOW without raising FE_INEXACT. In some cases, - * whether cexp() raises an invalid exception is unspecified. - * - * These are macros instead of functions so that assert provides more - * meaningful error messages. - * - * XXX The volatile here is to avoid gcc's bogus constant folding and work - * around the lack of support for the FENV_ACCESS pragma. - */ -#define test(func, z, result, exceptmask, excepts, checksign) do { \ - volatile long double complex _d = z; \ - assert(feclearexcept(FE_ALL_EXCEPT) == 0); \ - assert(cfpequal_cs((func)(_d), (result), (checksign))); \ - assert(((void)(func), fetestexcept(exceptmask) == (excepts))); \ -} while (0) - -/* Test within a given tolerance. */ -#define test_tol(func, z, result, tol) do { \ - volatile long double complex _d = z; \ - assert(cfpequal_tol((func)(_d), (result), (tol), \ - FPE_ABS_ZERO | CS_BOTH)); \ -} while (0) - -/* Test all the functions that compute cexp(x). */ -#define testall(x, result, exceptmask, excepts, checksign) do { \ - test(cexp, x, result, exceptmask, excepts, checksign); \ - test(cexpf, x, result, exceptmask, excepts, checksign); \ -} while (0) - -/* - * Test all the functions that compute cexp(x), within a given tolerance. - * The tolerance is specified in ulps. - */ -#define testall_tol(x, result, tol) do { \ - test_tol(cexp, x, result, tol * DBL_ULP()); \ - test_tol(cexpf, x, result, tol * FLT_ULP()); \ -} while (0) - -/* Various finite non-zero numbers to test. */ -static const float finites[] = -{ -42.0e20, -1.0, -1.0e-10, -0.0, 0.0, 1.0e-10, 1.0, 42.0e20 }; - - -/* Tests for 0 */ -void -test_zero(void) -{ - - /* cexp(0) = 1, no exceptions raised */ - testall(0.0, 1.0, ALL_STD_EXCEPT, 0, 1); - testall(-0.0, 1.0, ALL_STD_EXCEPT, 0, 1); - testall(CMPLXL(0.0, -0.0), CMPLXL(1.0, -0.0), ALL_STD_EXCEPT, 0, 1); - testall(CMPLXL(-0.0, -0.0), CMPLXL(1.0, -0.0), ALL_STD_EXCEPT, 0, 1); -} - -/* - * Tests for NaN. The signs of the results are indeterminate unless the - * imaginary part is 0. - */ -void -test_nan() -{ - int i; - - /* cexp(x + NaNi) = NaN + NaNi and optionally raises invalid */ - /* cexp(NaN + yi) = NaN + NaNi and optionally raises invalid (|y|>0) */ - for (i = 0; i < N(finites); i++) { - printf("# Run %d..\n", i); - testall(CMPLXL(finites[i], NAN), CMPLXL(NAN, NAN), - ALL_STD_EXCEPT & ~FE_INVALID, 0, 0); - if (finites[i] == 0.0) - continue; - /* XXX FE_INEXACT shouldn't be raised here */ - testall(CMPLXL(NAN, finites[i]), CMPLXL(NAN, NAN), - ALL_STD_EXCEPT & ~(FE_INVALID | FE_INEXACT), 0, 0); - } - - /* cexp(NaN +- 0i) = NaN +- 0i */ - testall(CMPLXL(NAN, 0.0), CMPLXL(NAN, 0.0), ALL_STD_EXCEPT, 0, 1); - testall(CMPLXL(NAN, -0.0), CMPLXL(NAN, -0.0), ALL_STD_EXCEPT, 0, 1); - - /* cexp(inf + NaN i) = inf + nan i */ - testall(CMPLXL(INFINITY, NAN), CMPLXL(INFINITY, NAN), - ALL_STD_EXCEPT, 0, 0); - /* cexp(-inf + NaN i) = 0 */ - testall(CMPLXL(-INFINITY, NAN), CMPLXL(0.0, 0.0), - ALL_STD_EXCEPT, 0, 0); - /* cexp(NaN + NaN i) = NaN + NaN i */ - testall(CMPLXL(NAN, NAN), CMPLXL(NAN, NAN), - ALL_STD_EXCEPT, 0, 0); -} - -void -test_inf(void) -{ - int i; - - /* cexp(x + inf i) = NaN + NaNi and raises invalid */ - for (i = 0; i < N(finites); i++) { - printf("# Run %d..\n", i); - testall(CMPLXL(finites[i], INFINITY), CMPLXL(NAN, NAN), - ALL_STD_EXCEPT, FE_INVALID, 1); - } - /* cexp(-inf + yi) = 0 * (cos(y) + sin(y)i) */ - /* XXX shouldn't raise an inexact exception */ - testall(CMPLXL(-INFINITY, M_PI_4), CMPLXL(0.0, 0.0), - ALL_STD_EXCEPT & ~FE_INEXACT, 0, 1); - testall(CMPLXL(-INFINITY, 3 * M_PI_4), CMPLXL(-0.0, 0.0), - ALL_STD_EXCEPT & ~FE_INEXACT, 0, 1); - testall(CMPLXL(-INFINITY, 5 * M_PI_4), CMPLXL(-0.0, -0.0), - ALL_STD_EXCEPT & ~FE_INEXACT, 0, 1); - testall(CMPLXL(-INFINITY, 7 * M_PI_4), CMPLXL(0.0, -0.0), - ALL_STD_EXCEPT & ~FE_INEXACT, 0, 1); - testall(CMPLXL(-INFINITY, 0.0), CMPLXL(0.0, 0.0), - ALL_STD_EXCEPT, 0, 1); - testall(CMPLXL(-INFINITY, -0.0), CMPLXL(0.0, -0.0), - ALL_STD_EXCEPT, 0, 1); - /* cexp(inf + yi) = inf * (cos(y) + sin(y)i) (except y=0) */ - /* XXX shouldn't raise an inexact exception */ - testall(CMPLXL(INFINITY, M_PI_4), CMPLXL(INFINITY, INFINITY), - ALL_STD_EXCEPT & ~FE_INEXACT, 0, 1); - testall(CMPLXL(INFINITY, 3 * M_PI_4), CMPLXL(-INFINITY, INFINITY), - ALL_STD_EXCEPT & ~FE_INEXACT, 0, 1); - testall(CMPLXL(INFINITY, 5 * M_PI_4), CMPLXL(-INFINITY, -INFINITY), - ALL_STD_EXCEPT & ~FE_INEXACT, 0, 1); - testall(CMPLXL(INFINITY, 7 * M_PI_4), CMPLXL(INFINITY, -INFINITY), - ALL_STD_EXCEPT & ~FE_INEXACT, 0, 1); - /* cexp(inf + 0i) = inf + 0i */ - testall(CMPLXL(INFINITY, 0.0), CMPLXL(INFINITY, 0.0), - ALL_STD_EXCEPT, 0, 1); - testall(CMPLXL(INFINITY, -0.0), CMPLXL(INFINITY, -0.0), - ALL_STD_EXCEPT, 0, 1); -} - -void -test_reals(void) -{ - int i; - - for (i = 0; i < N(finites); i++) { - /* XXX could check exceptions more meticulously */ - printf("# Run %d..\n", i); - test(cexp, CMPLXL(finites[i], 0.0), - CMPLXL(exp(finites[i]), 0.0), - FE_INVALID | FE_DIVBYZERO, 0, 1); - test(cexp, CMPLXL(finites[i], -0.0), - CMPLXL(exp(finites[i]), -0.0), - FE_INVALID | FE_DIVBYZERO, 0, 1); - test(cexpf, CMPLXL(finites[i], 0.0), - CMPLXL(expf(finites[i]), 0.0), - FE_INVALID | FE_DIVBYZERO, 0, 1); - test(cexpf, CMPLXL(finites[i], -0.0), - CMPLXL(expf(finites[i]), -0.0), - FE_INVALID | FE_DIVBYZERO, 0, 1); - } -} - -void -test_imaginaries(void) -{ - int i; - - for (i = 0; i < N(finites); i++) { - printf("# Run %d..\n", i); - test(cexp, CMPLXL(0.0, finites[i]), - CMPLXL(cos(finites[i]), sin(finites[i])), - ALL_STD_EXCEPT & ~FE_INEXACT, 0, 1); - test(cexp, CMPLXL(-0.0, finites[i]), - CMPLXL(cos(finites[i]), sin(finites[i])), - ALL_STD_EXCEPT & ~FE_INEXACT, 0, 1); - test(cexpf, CMPLXL(0.0, finites[i]), - CMPLXL(cosf(finites[i]), sinf(finites[i])), - ALL_STD_EXCEPT & ~FE_INEXACT, 0, 1); - test(cexpf, CMPLXL(-0.0, finites[i]), - CMPLXL(cosf(finites[i]), sinf(finites[i])), - ALL_STD_EXCEPT & ~FE_INEXACT, 0, 1); - } -} - -void -test_small(void) -{ - static const double tests[] = { - /* csqrt(a + bI) = x + yI */ - /* a b x y */ - 1.0, M_PI_4, M_SQRT2 * 0.5 * M_E, M_SQRT2 * 0.5 * M_E, - -1.0, M_PI_4, M_SQRT2 * 0.5 / M_E, M_SQRT2 * 0.5 / M_E, - 2.0, M_PI_2, 0.0, M_E * M_E, - M_LN2, M_PI, -2.0, 0.0, - }; - double a, b; - double x, y; - int i; - - for (i = 0; i < N(tests); i += 4) { - printf("# Run %d..\n", i); - a = tests[i]; - b = tests[i + 1]; - x = tests[i + 2]; - y = tests[i + 3]; - test_tol(cexp, CMPLXL(a, b), CMPLXL(x, y), 3 * DBL_ULP()); - - /* float doesn't have enough precision to pass these tests */ - if (x == 0 || y == 0) - continue; - test_tol(cexpf, CMPLXL(a, b), CMPLXL(x, y), 1 * FLT_ULP()); - } -} - -/* Test inputs with a real part r that would overflow exp(r). */ -void -test_large(void) -{ - - test_tol(cexp, CMPLXL(709.79, 0x1p-1074), - CMPLXL(INFINITY, 8.94674309915433533273e-16), DBL_ULP()); - test_tol(cexp, CMPLXL(1000, 0x1p-1074), - CMPLXL(INFINITY, 9.73344457300016401328e+110), DBL_ULP()); - test_tol(cexp, CMPLXL(1400, 0x1p-1074), - CMPLXL(INFINITY, 5.08228858149196559681e+284), DBL_ULP()); - test_tol(cexp, CMPLXL(900, 0x1.23456789abcdep-1020), - CMPLXL(INFINITY, 7.42156649354218408074e+83), DBL_ULP()); - test_tol(cexp, CMPLXL(1300, 0x1.23456789abcdep-1020), - CMPLXL(INFINITY, 3.87514844965996756704e+257), DBL_ULP()); - - test_tol(cexpf, CMPLXL(88.73, 0x1p-149), - CMPLXL(INFINITY, 4.80265603e-07), 2 * FLT_ULP()); - test_tol(cexpf, CMPLXL(90, 0x1p-149), - CMPLXL(INFINITY, 1.7101492622e-06f), 2 * FLT_ULP()); - test_tol(cexpf, CMPLXL(192, 0x1p-149), - CMPLXL(INFINITY, 3.396809344e+38f), 2 * FLT_ULP()); - test_tol(cexpf, CMPLXL(120, 0x1.234568p-120), - CMPLXL(INFINITY, 1.1163382522e+16f), 2 * FLT_ULP()); - test_tol(cexpf, CMPLXL(170, 0x1.234568p-120), - CMPLXL(INFINITY, 5.7878851079e+37f), 2 * FLT_ULP()); -} - -int -main(int argc, char *argv[]) -{ - - printf("1..7\n"); - - test_zero(); - printf("ok 1 - cexp zero\n"); - - test_nan(); - printf("ok 2 - cexp nan\n"); - - test_inf(); - printf("ok 3 - cexp inf\n"); - -#if defined(__i386__) - printf("not ok 4 - cexp reals # TODO: PR # 191676 fails assertion on i386\n"); -#else - test_reals(); - printf("ok 4 - cexp reals\n"); -#endif - - test_imaginaries(); - printf("ok 5 - cexp imaginaries\n"); - - test_small(); - printf("ok 6 - cexp small\n"); - - test_large(); - printf("ok 7 - cexp large\n"); - - return (0); -} |
