diff options
Diffstat (limited to 'contrib/netbsd-tests/lib/libm/t_pow.c')
| -rw-r--r-- | contrib/netbsd-tests/lib/libm/t_pow.c | 669 |
1 files changed, 669 insertions, 0 deletions
diff --git a/contrib/netbsd-tests/lib/libm/t_pow.c b/contrib/netbsd-tests/lib/libm/t_pow.c new file mode 100644 index 0000000..62b7235 --- /dev/null +++ b/contrib/netbsd-tests/lib/libm/t_pow.c @@ -0,0 +1,669 @@ +/* $NetBSD: t_pow.c,v 1.3 2014/03/03 10:39:08 martin Exp $ */ + +/*- + * Copyright (c) 2011 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Jukka Ruohonen. + * + * 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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. + */ +#include <sys/cdefs.h> +__RCSID("$NetBSD: t_pow.c,v 1.3 2014/03/03 10:39:08 martin Exp $"); + +#include <atf-c.h> +#include <math.h> + +/* + * pow(3) + */ +ATF_TC(pow_nan_x); +ATF_TC_HEAD(pow_nan_x, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test pow(NaN, y) == NaN"); +} + +ATF_TC_BODY(pow_nan_x, tc) +{ + const double x = 0.0L / 0.0L; + + ATF_CHECK(isnan(pow(x, 2.0)) != 0); +} + +ATF_TC(pow_nan_y); +ATF_TC_HEAD(pow_nan_y, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test pow(x, NaN) == NaN"); +} + +ATF_TC_BODY(pow_nan_y, tc) +{ + const double y = 0.0L / 0.0L; + + ATF_CHECK(isnan(pow(2.0, y)) != 0); +} + +ATF_TC(pow_inf_neg_x); +ATF_TC_HEAD(pow_inf_neg_x, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test pow(-Inf, y) == +-Inf || +-0.0"); +} + +ATF_TC_BODY(pow_inf_neg_x, tc) +{ + const double x = -1.0L / 0.0L; + double z; + + /* + * If y is odd, y > 0, and x is -Inf, -Inf is returned. + * If y is even, y > 0, and x is -Inf, +Inf is returned. + */ + z = pow(x, 3.0); + + if (isinf(z) == 0 || signbit(z) == 0) + atf_tc_fail_nonfatal("pow(-Inf, 3.0) != -Inf"); + + z = pow(x, 4.0); + + if (isinf(z) == 0 || signbit(z) != 0) + atf_tc_fail_nonfatal("pow(-Inf, 4.0) != +Inf"); + + /* + * If y is odd, y < 0, and x is -Inf, -0.0 is returned. + * If y is even, y < 0, and x is -Inf, +0.0 is returned. + */ + z = pow(x, -3.0); + + if (fabs(z) > 0.0 || signbit(z) == 0) + atf_tc_fail_nonfatal("pow(-Inf, -3.0) != -0.0"); + + z = pow(x, -4.0); + + if (fabs(z) > 0.0 || signbit(z) != 0) + atf_tc_fail_nonfatal("pow(-Inf -4.0) != +0.0"); +} + +ATF_TC(pow_inf_neg_y); +ATF_TC_HEAD(pow_inf_neg_y, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test pow(x, -Inf) == +Inf || +0.0"); +} + +ATF_TC_BODY(pow_inf_neg_y, tc) +{ + const double y = -1.0L / 0.0L; + double z; + + /* + * If |x| < 1 and y is -Inf, +Inf is returned. + * If |x| > 1 and y is -Inf, +0.0 is returned. + */ + z = pow(0.1, y); + + if (isinf(z) == 0 || signbit(z) != 0) + atf_tc_fail_nonfatal("pow(0.1, -Inf) != +Inf"); + + z = pow(1.1, y); + + if (fabs(z) > 0.0 || signbit(z) != 0) + atf_tc_fail_nonfatal("pow(1.1, -Inf) != +0.0"); +} + +ATF_TC(pow_inf_pos_x); +ATF_TC_HEAD(pow_inf_pos_x, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test pow(+Inf, y) == +Inf || +0.0"); +} + +ATF_TC_BODY(pow_inf_pos_x, tc) +{ + const double x = 1.0L / 0.0L; + double z; + + /* + * For y < 0, if x is +Inf, +0.0 is returned. + * For y > 0, if x is +Inf, +Inf is returned. + */ + z = pow(x, -2.0); + + if (fabs(z) > 0.0 || signbit(z) != 0) + atf_tc_fail_nonfatal("pow(+Inf, -2.0) != +0.0"); + + z = pow(x, 2.0); + + if (isinf(z) == 0 || signbit(z) != 0) + atf_tc_fail_nonfatal("pow(+Inf, 2.0) != +Inf"); +} + +ATF_TC(pow_inf_pos_y); +ATF_TC_HEAD(pow_inf_pos_y, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test pow(x, +Inf) == +Inf || +0.0"); +} + +ATF_TC_BODY(pow_inf_pos_y, tc) +{ + const double y = 1.0L / 0.0L; + double z; + + /* + * If |x| < 1 and y is +Inf, +0.0 is returned. + * If |x| > 1 and y is +Inf, +Inf is returned. + */ + z = pow(0.1, y); + + if (fabs(z) > 0.0 || signbit(z) != 0) + atf_tc_fail_nonfatal("pow(0.1, +Inf) != +0.0"); + + z = pow(1.1, y); + + if (isinf(z) == 0 || signbit(z) != 0) + atf_tc_fail_nonfatal("pow(1.1, +Inf) != +Inf"); +} + +ATF_TC(pow_one_neg_x); +ATF_TC_HEAD(pow_one_neg_x, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test pow(-1.0, +-Inf) == 1.0"); +} + +ATF_TC_BODY(pow_one_neg_x, tc) +{ + const double infp = 1.0L / 0.0L; + const double infn = -1.0L / 0.0L; + + /* + * If x is -1.0, and y is +-Inf, 1.0 shall be returned. + */ + ATF_REQUIRE(isinf(infp) != 0); + ATF_REQUIRE(isinf(infn) != 0); + + if (pow(-1.0, infp) != 1.0) { + atf_tc_expect_fail("PR lib/45372"); + atf_tc_fail_nonfatal("pow(-1.0, +Inf) != 1.0"); + } + + if (pow(-1.0, infn) != 1.0) { + atf_tc_expect_fail("PR lib/45372"); + atf_tc_fail_nonfatal("pow(-1.0, -Inf) != 1.0"); + } +} + +ATF_TC(pow_one_pos_x); +ATF_TC_HEAD(pow_one_pos_x, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test pow(1.0, y) == 1.0"); +} + +ATF_TC_BODY(pow_one_pos_x, tc) +{ + const double y[] = { 0.0, 0.1, 2.0, -3.0, 99.0, 99.99, 9999999.9 }; + const double z = 0.0L / 0.0L; + size_t i; + + /* + * For any value of y (including NaN), + * if x is 1.0, 1.0 shall be returned. + */ + if (pow(1.0, z) != 1.0) + atf_tc_fail_nonfatal("pow(1.0, NaN) != 1.0"); + + for (i = 0; i < __arraycount(y); i++) { + + if (pow(1.0, y[i]) != 1.0) + atf_tc_fail_nonfatal("pow(1.0, %0.01f) != 1.0", y[i]); + } +} + +ATF_TC(pow_zero_x); +ATF_TC_HEAD(pow_zero_x, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test pow(+-0.0, y) == +-0.0 || HUGE"); +} + +ATF_TC_BODY(pow_zero_x, tc) +{ + double z; + + /* + * If x is +0.0 or -0.0, y > 0, and y + * is an odd integer, x is returned. + */ + z = pow(+0.0, 3.0); + + if (fabs(z) > 0.0 || signbit(z) != 0) + atf_tc_fail_nonfatal("pow(+0.0, 3.0) != +0.0"); + + z = pow(-0.0, 3.0); + + if (fabs(z) > 0.0 || signbit(z) == 0) + atf_tc_fail_nonfatal("pow(-0.0, 3.0) != -0.0"); + + /* + * If y > 0 and not an odd integer, + * if x is +0.0 or -0.0, +0.0 is returned. + */ + z = pow(+0.0, 4.0); + + if (fabs(z) > 0.0 || signbit(z) != 0) + atf_tc_fail_nonfatal("pow(+0.0, 4.0) != +0.0"); + + z = pow(-0.0, 4.0); + + if (fabs(z) > 0.0 || signbit(z) != 0) + atf_tc_fail_nonfatal("pow(-0.0, 4.0) != +0.0"); + + /* + * If y < 0 and x is +0.0 or -0.0, either +-HUGE_VAL, + * +-HUGE_VALF, or +-HUGE_VALL shall be returned. + */ + z = pow(+0.0, -4.0); + + if (z != HUGE_VAL) { + atf_tc_expect_fail("PR port-amd64/45391"); + atf_tc_fail_nonfatal("pow(+0.0, -4.0) != HUGE_VAL"); + } + + z = pow(-0.0, -4.0); + + if (z != HUGE_VAL) { + atf_tc_expect_fail("PR port-amd64/45391"); + atf_tc_fail_nonfatal("pow(-0.0, -4.0) != HUGE_VAL"); + } + + z = pow(+0.0, -5.0); + + if (z != HUGE_VAL) { + atf_tc_expect_fail("PR port-amd64/45391"); + atf_tc_fail_nonfatal("pow(+0.0, -5.0) != HUGE_VAL"); + } + + z = pow(-0.0, -5.0); + + if (z != -HUGE_VAL) + atf_tc_fail_nonfatal("pow(-0.0, -5.0) != -HUGE_VAL"); +} + +ATF_TC(pow_zero_y); +ATF_TC_HEAD(pow_zero_y, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test pow(x, +-0.0) == 1.0"); +} + +ATF_TC_BODY(pow_zero_y, tc) +{ + const double x[] = { 0.1, -3.0, 77.0, 99.99, 101.0000001 }; + const double z = 0.0L / 0.0L; + size_t i; + + /* + * For any value of x (including NaN), + * if y is +0.0 or -0.0, 1.0 is returned. + */ + if (pow(z, +0.0) != 1.0) + atf_tc_fail_nonfatal("pow(NaN, +0.0) != 1.0"); + + if (pow(z, -0.0) != 1.0) + atf_tc_fail_nonfatal("pow(NaN, -0.0) != 1.0"); + + for (i = 0; i < __arraycount(x); i++) { + + if (pow(x[i], +0.0) != 1.0) + atf_tc_fail_nonfatal("pow(%0.01f, +0.0) != 1.0", x[i]); + + if (pow(x[i], -0.0) != 1.0) + atf_tc_fail_nonfatal("pow(%0.01f, -0.0) != 1.0", x[i]); + } +} + +/* + * powf(3) + */ +ATF_TC(powf_nan_x); +ATF_TC_HEAD(powf_nan_x, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test powf(NaN, y) == NaN"); +} + +ATF_TC_BODY(powf_nan_x, tc) +{ + const float x = 0.0L / 0.0L; + + ATF_CHECK(isnanf(powf(x, 2.0)) != 0); +} + +ATF_TC(powf_nan_y); +ATF_TC_HEAD(powf_nan_y, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test powf(x, NaN) == NaN"); +} + +ATF_TC_BODY(powf_nan_y, tc) +{ + const float y = 0.0L / 0.0L; + + ATF_CHECK(isnanf(powf(2.0, y)) != 0); +} + +ATF_TC(powf_inf_neg_x); +ATF_TC_HEAD(powf_inf_neg_x, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test powf(-Inf, y) == +-Inf || +-0.0"); +} + +ATF_TC_BODY(powf_inf_neg_x, tc) +{ + const float x = -1.0L / 0.0L; + float z; + + /* + * If y is odd, y > 0, and x is -Inf, -Inf is returned. + * If y is even, y > 0, and x is -Inf, +Inf is returned. + */ + z = powf(x, 3.0); + + if (isinff(z) == 0 || signbit(z) == 0) + atf_tc_fail_nonfatal("powf(-Inf, 3.0) != -Inf"); + + z = powf(x, 4.0); + + if (isinff(z) == 0 || signbit(z) != 0) + atf_tc_fail_nonfatal("powf(-Inf, 4.0) != +Inf"); + + /* + * If y is odd, y < 0, and x is -Inf, -0.0 is returned. + * If y is even, y < 0, and x is -Inf, +0.0 is returned. + */ + z = powf(x, -3.0); + + if (fabsf(z) > 0.0 || signbit(z) == 0) { + atf_tc_expect_fail("PR lib/45372"); + atf_tc_fail_nonfatal("powf(-Inf, -3.0) != -0.0"); + } + + z = powf(x, -4.0); + + if (fabsf(z) > 0.0 || signbit(z) != 0) + atf_tc_fail_nonfatal("powf(-Inf -4.0) != +0.0"); +} + +ATF_TC(powf_inf_neg_y); +ATF_TC_HEAD(powf_inf_neg_y, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test powf(x, -Inf) == +Inf || +0.0"); +} + +ATF_TC_BODY(powf_inf_neg_y, tc) +{ + const float y = -1.0L / 0.0L; + float z; + + /* + * If |x| < 1 and y is -Inf, +Inf is returned. + * If |x| > 1 and y is -Inf, +0.0 is returned. + */ + z = powf(0.1, y); + + if (isinff(z) == 0 || signbit(z) != 0) + atf_tc_fail_nonfatal("powf(0.1, -Inf) != +Inf"); + + z = powf(1.1, y); + + if (fabsf(z) > 0.0 || signbit(z) != 0) + atf_tc_fail_nonfatal("powf(1.1, -Inf) != +0.0"); +} + +ATF_TC(powf_inf_pos_x); +ATF_TC_HEAD(powf_inf_pos_x, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test powf(+Inf, y) == +Inf || +0.0"); +} + +ATF_TC_BODY(powf_inf_pos_x, tc) +{ + const float x = 1.0L / 0.0L; + float z; + + /* + * For y < 0, if x is +Inf, +0.0 is returned. + * For y > 0, if x is +Inf, +Inf is returned. + */ + z = powf(x, -2.0); + + if (fabsf(z) > 0.0 || signbit(z) != 0) + atf_tc_fail_nonfatal("powf(+Inf, -2.0) != +0.0"); + + z = powf(x, 2.0); + + if (isinff(z) == 0 || signbit(z) != 0) + atf_tc_fail_nonfatal("powf(+Inf, 2.0) != +Inf"); +} + +ATF_TC(powf_inf_pos_y); +ATF_TC_HEAD(powf_inf_pos_y, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test powf(x, +Inf) == +Inf || +0.0"); +} + +ATF_TC_BODY(powf_inf_pos_y, tc) +{ + const float y = 1.0L / 0.0L; + float z; + + /* + * If |x| < 1 and y is +Inf, +0.0 is returned. + * If |x| > 1 and y is +Inf, +Inf is returned. + */ + z = powf(0.1, y); + + if (fabsf(z) > 0.0 || signbit(z) != 0) + atf_tc_fail_nonfatal("powf(0.1, +Inf) != +0.0"); + + z = powf(1.1, y); + + if (isinff(z) == 0 || signbit(z) != 0) + atf_tc_fail_nonfatal("powf(1.1, +Inf) != +Inf"); +} + +ATF_TC(powf_one_neg_x); +ATF_TC_HEAD(powf_one_neg_x, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test powf(-1.0, +-Inf) == 1.0"); +} + +ATF_TC_BODY(powf_one_neg_x, tc) +{ + const float infp = 1.0L / 0.0L; + const float infn = -1.0L / 0.0L; + + /* + * If x is -1.0, and y is +-Inf, 1.0 shall be returned. + */ + ATF_REQUIRE(isinff(infp) != 0); + ATF_REQUIRE(isinff(infn) != 0); + + if (powf(-1.0, infp) != 1.0) { + atf_tc_expect_fail("PR lib/45372"); + atf_tc_fail_nonfatal("powf(-1.0, +Inf) != 1.0"); + } + + if (powf(-1.0, infn) != 1.0) { + atf_tc_expect_fail("PR lib/45372"); + atf_tc_fail_nonfatal("powf(-1.0, -Inf) != 1.0"); + } +} + +ATF_TC(powf_one_pos_x); +ATF_TC_HEAD(powf_one_pos_x, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test powf(1.0, y) == 1.0"); +} + +ATF_TC_BODY(powf_one_pos_x, tc) +{ + const float y[] = { 0.0, 0.1, 2.0, -3.0, 99.0, 99.99, 9999999.9 }; + const float z = 0.0L / 0.0L; + size_t i; + + /* + * For any value of y (including NaN), + * if x is 1.0, 1.0 shall be returned. + */ + if (powf(1.0, z) != 1.0) + atf_tc_fail_nonfatal("powf(1.0, NaN) != 1.0"); + + for (i = 0; i < __arraycount(y); i++) { + + if (powf(1.0, y[i]) != 1.0) + atf_tc_fail_nonfatal("powf(1.0, %0.01f) != 1.0", y[i]); + } +} + +ATF_TC(powf_zero_x); +ATF_TC_HEAD(powf_zero_x, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test powf(+-0.0, y) == +-0.0 || HUGE"); +} + +ATF_TC_BODY(powf_zero_x, tc) +{ + float z; + + /* + * If x is +0.0 or -0.0, y > 0, and y + * is an odd integer, x is returned. + */ + z = powf(+0.0, 3.0); + + if (fabsf(z) > 0.0 || signbit(z) != 0) + atf_tc_fail_nonfatal("powf(+0.0, 3.0) != +0.0"); + + z = powf(-0.0, 3.0); + + if (fabsf(z) > 0.0 || signbit(z) == 0) + atf_tc_fail_nonfatal("powf(-0.0, 3.0) != -0.0"); + + /* + * If y > 0 and not an odd integer, + * if x is +0.0 or -0.0, +0.0 is returned. + */ + z = powf(+0.0, 4.0); + + if (fabsf(z) > 0.0 || signbit(z) != 0) + atf_tc_fail_nonfatal("powf(+0.0, 4.0) != +0.0"); + + z = powf(-0.0, 4.0); + + if (fabsf(z) > 0.0 || signbit(z) != 0) + atf_tc_fail_nonfatal("powf(-0.0, 4.0) != +0.0"); + + /* + * If y < 0 and x is +0.0 or -0.0, either +-HUGE_VAL, + * +-HUGE_VALF, or +-HUGE_VALL shall be returned. + */ + z = powf(+0.0, -4.0); + + if (z != HUGE_VALF) { + atf_tc_expect_fail("PR port-amd64/45391"); + atf_tc_fail_nonfatal("powf(+0.0, -4.0) != HUGE_VALF"); + } + + z = powf(-0.0, -4.0); + + if (z != HUGE_VALF) { + atf_tc_expect_fail("PR port-amd64/45391"); + atf_tc_fail_nonfatal("powf(-0.0, -4.0) != HUGE_VALF"); + } + + z = powf(+0.0, -5.0); + + if (z != HUGE_VALF) { + atf_tc_expect_fail("PR port-amd64/45391"); + atf_tc_fail_nonfatal("powf(+0.0, -5.0) != HUGE_VALF"); + } + + z = powf(-0.0, -5.0); + + if (z != -HUGE_VALF) + atf_tc_fail_nonfatal("powf(-0.0, -5.0) != -HUGE_VALF"); +} + +ATF_TC(powf_zero_y); +ATF_TC_HEAD(powf_zero_y, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test powf(x, +-0.0) == 1.0"); +} + +ATF_TC_BODY(powf_zero_y, tc) +{ + const float x[] = { 0.1, -3.0, 77.0, 99.99, 101.0000001 }; + const float z = 0.0L / 0.0L; + size_t i; + + /* + * For any value of x (including NaN), + * if y is +0.0 or -0.0, 1.0 is returned. + */ + if (powf(z, +0.0) != 1.0) + atf_tc_fail_nonfatal("powf(NaN, +0.0) != 1.0"); + + if (powf(z, -0.0) != 1.0) + atf_tc_fail_nonfatal("powf(NaN, -0.0) != 1.0"); + + for (i = 0; i < __arraycount(x); i++) { + + if (powf(x[i], +0.0) != 1.0) + atf_tc_fail_nonfatal("powf(%0.01f, +0.0) != 1.0",x[i]); + + if (powf(x[i], -0.0) != 1.0) + atf_tc_fail_nonfatal("powf(%0.01f, -0.0) != 1.0",x[i]); + } +} + +ATF_TP_ADD_TCS(tp) +{ + + ATF_TP_ADD_TC(tp, pow_nan_x); + ATF_TP_ADD_TC(tp, pow_nan_y); + ATF_TP_ADD_TC(tp, pow_inf_neg_x); + ATF_TP_ADD_TC(tp, pow_inf_neg_y); + ATF_TP_ADD_TC(tp, pow_inf_pos_x); + ATF_TP_ADD_TC(tp, pow_inf_pos_y); + ATF_TP_ADD_TC(tp, pow_one_neg_x); + ATF_TP_ADD_TC(tp, pow_one_pos_x); + ATF_TP_ADD_TC(tp, pow_zero_x); + ATF_TP_ADD_TC(tp, pow_zero_y); + + ATF_TP_ADD_TC(tp, powf_nan_x); + ATF_TP_ADD_TC(tp, powf_nan_y); + ATF_TP_ADD_TC(tp, powf_inf_neg_x); + ATF_TP_ADD_TC(tp, powf_inf_neg_y); + ATF_TP_ADD_TC(tp, powf_inf_pos_x); + ATF_TP_ADD_TC(tp, powf_inf_pos_y); + ATF_TP_ADD_TC(tp, powf_one_neg_x); + ATF_TP_ADD_TC(tp, powf_one_pos_x); + ATF_TP_ADD_TC(tp, powf_zero_x); + ATF_TP_ADD_TC(tp, powf_zero_y); + + return atf_no_error(); +} |
