1ec3feb648
I did this without a full vendor update since that would cause too many conflicts. Since these files now almost match the NetBSD sources the next git subtree merge should work just fine. Reviewed By: lwhsu Differential Revision: https://reviews.freebsd.org/D28797
387 lines
8.2 KiB
C
387 lines
8.2 KiB
C
/* $NetBSD: t_sqrt.c,v 1.8 2018/11/07 03:59:36 riastradh 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_sqrt.c,v 1.8 2018/11/07 03:59:36 riastradh Exp $");
|
|
|
|
#include <atf-c.h>
|
|
#include <math.h>
|
|
#include <float.h>
|
|
#include <stdio.h>
|
|
|
|
/*
|
|
* sqrt(3)
|
|
*/
|
|
ATF_TC(sqrt_nan);
|
|
ATF_TC_HEAD(sqrt_nan, tc)
|
|
{
|
|
atf_tc_set_md_var(tc, "descr", "Test sqrt(NaN) == NaN");
|
|
}
|
|
|
|
ATF_TC_BODY(sqrt_nan, tc)
|
|
{
|
|
const double x = 0.0L / 0.0L;
|
|
|
|
ATF_CHECK(isnan(x) != 0);
|
|
ATF_CHECK(isnan(sqrt(x)) != 0);
|
|
}
|
|
|
|
ATF_TC(sqrt_pow);
|
|
ATF_TC_HEAD(sqrt_pow, tc)
|
|
{
|
|
atf_tc_set_md_var(tc, "descr", "Test sqrt(3) vs. pow(3)");
|
|
}
|
|
|
|
ATF_TC_BODY(sqrt_pow, tc)
|
|
{
|
|
const double x[] = { 0.0, 0.005, 1.0, 99.0, 123.123, 9999.9999 };
|
|
const double eps = DBL_EPSILON;
|
|
size_t i;
|
|
|
|
for (i = 0; i < __arraycount(x); i++) {
|
|
double x_sqrt = sqrt(x[i]);
|
|
double x_pow12 = pow(x[i], 1.0 / 2.0);
|
|
bool ok;
|
|
|
|
if (x[i] == 0) {
|
|
ok = (x_sqrt == x_pow12);
|
|
} else {
|
|
ok = (fabs((x_sqrt - x_pow12)/x_sqrt) <= eps);
|
|
}
|
|
|
|
if (!ok) {
|
|
atf_tc_fail_nonfatal("sqrt(%.17g) = %.17g != "
|
|
"pow(%.17g, 1/2) = %.17g\n",
|
|
x[i], x_sqrt, x[i], x_pow12);
|
|
}
|
|
}
|
|
}
|
|
|
|
ATF_TC(sqrt_inf_neg);
|
|
ATF_TC_HEAD(sqrt_inf_neg, tc)
|
|
{
|
|
atf_tc_set_md_var(tc, "descr", "Test sqrt(-Inf) == NaN");
|
|
}
|
|
|
|
ATF_TC_BODY(sqrt_inf_neg, tc)
|
|
{
|
|
const double x = -1.0L / 0.0L;
|
|
double y = sqrt(x);
|
|
|
|
ATF_CHECK(isnan(y) != 0);
|
|
}
|
|
|
|
ATF_TC(sqrt_inf_pos);
|
|
ATF_TC_HEAD(sqrt_inf_pos, tc)
|
|
{
|
|
atf_tc_set_md_var(tc, "descr", "Test sqrt(+Inf) == +Inf");
|
|
}
|
|
|
|
ATF_TC_BODY(sqrt_inf_pos, tc)
|
|
{
|
|
const double x = 1.0L / 0.0L;
|
|
double y = sqrt(x);
|
|
|
|
ATF_CHECK(isinf(y) != 0);
|
|
ATF_CHECK(signbit(y) == 0);
|
|
}
|
|
|
|
ATF_TC(sqrt_zero_neg);
|
|
ATF_TC_HEAD(sqrt_zero_neg, tc)
|
|
{
|
|
atf_tc_set_md_var(tc, "descr", "Test sqrt(-0.0) == -0.0");
|
|
}
|
|
|
|
ATF_TC_BODY(sqrt_zero_neg, tc)
|
|
{
|
|
const double x = -0.0L;
|
|
double y = sqrt(x);
|
|
|
|
if (fabs(y) > 0.0 || signbit(y) == 0)
|
|
atf_tc_fail_nonfatal("sqrt(-0.0) != -0.0");
|
|
}
|
|
|
|
ATF_TC(sqrt_zero_pos);
|
|
ATF_TC_HEAD(sqrt_zero_pos, tc)
|
|
{
|
|
atf_tc_set_md_var(tc, "descr", "Test sqrt(+0.0) == +0.0");
|
|
}
|
|
|
|
ATF_TC_BODY(sqrt_zero_pos, tc)
|
|
{
|
|
const double x = 0.0L;
|
|
double y = sqrt(x);
|
|
|
|
if (fabs(y) > 0.0 || signbit(y) != 0)
|
|
atf_tc_fail_nonfatal("sqrt(+0.0) != +0.0");
|
|
}
|
|
|
|
/*
|
|
* sqrtf(3)
|
|
*/
|
|
ATF_TC(sqrtf_nan);
|
|
ATF_TC_HEAD(sqrtf_nan, tc)
|
|
{
|
|
atf_tc_set_md_var(tc, "descr", "Test sqrtf(NaN) == NaN");
|
|
}
|
|
|
|
ATF_TC_BODY(sqrtf_nan, tc)
|
|
{
|
|
const float x = 0.0L / 0.0L;
|
|
|
|
ATF_CHECK(isnan(x) != 0);
|
|
ATF_CHECK(isnan(sqrtf(x)) != 0);
|
|
}
|
|
|
|
ATF_TC(sqrtf_powf);
|
|
ATF_TC_HEAD(sqrtf_powf, tc)
|
|
{
|
|
atf_tc_set_md_var(tc, "descr", "Test sqrtf(3) vs. powf(3)");
|
|
}
|
|
|
|
ATF_TC_BODY(sqrtf_powf, tc)
|
|
{
|
|
const float x[] = { 0.0, 0.005, 1.0, 99.0, 123.123, 9999.9999 };
|
|
const float eps = FLT_EPSILON;
|
|
size_t i;
|
|
|
|
for (i = 0; i < __arraycount(x); i++) {
|
|
float x_sqrt = sqrtf(x[i]);
|
|
float x_pow12 = powf(x[i], 1.0 / 2.0);
|
|
bool ok;
|
|
|
|
if (x[i] == 0) {
|
|
ok = (x_sqrt == x_pow12);
|
|
} else {
|
|
ok = (fabsf((x_sqrt - x_pow12)/x_sqrt) <= eps);
|
|
}
|
|
|
|
if (!ok) {
|
|
atf_tc_fail_nonfatal("sqrtf(%.8g) = %.8g != "
|
|
"powf(%.8g, 1/2) = %.8g\n",
|
|
(double)x[i], (double)x_sqrt,
|
|
(double)x[i], (double)x_pow12);
|
|
}
|
|
}
|
|
}
|
|
|
|
ATF_TC(sqrtf_inf_neg);
|
|
ATF_TC_HEAD(sqrtf_inf_neg, tc)
|
|
{
|
|
atf_tc_set_md_var(tc, "descr", "Test sqrtf(-Inf) == NaN");
|
|
}
|
|
|
|
ATF_TC_BODY(sqrtf_inf_neg, tc)
|
|
{
|
|
const float x = -1.0L / 0.0L;
|
|
float y = sqrtf(x);
|
|
|
|
ATF_CHECK(isnan(y) != 0);
|
|
}
|
|
|
|
ATF_TC(sqrtf_inf_pos);
|
|
ATF_TC_HEAD(sqrtf_inf_pos, tc)
|
|
{
|
|
atf_tc_set_md_var(tc, "descr", "Test sqrtf(+Inf) == +Inf");
|
|
}
|
|
|
|
ATF_TC_BODY(sqrtf_inf_pos, tc)
|
|
{
|
|
const float x = 1.0L / 0.0L;
|
|
float y = sqrtf(x);
|
|
|
|
ATF_CHECK(isinf(y) != 0);
|
|
ATF_CHECK(signbit(y) == 0);
|
|
}
|
|
|
|
ATF_TC(sqrtf_zero_neg);
|
|
ATF_TC_HEAD(sqrtf_zero_neg, tc)
|
|
{
|
|
atf_tc_set_md_var(tc, "descr", "Test sqrtf(-0.0) == -0.0");
|
|
}
|
|
|
|
ATF_TC_BODY(sqrtf_zero_neg, tc)
|
|
{
|
|
const float x = -0.0L;
|
|
float y = sqrtf(x);
|
|
|
|
if (fabsf(y) > 0.0 || signbit(y) == 0)
|
|
atf_tc_fail_nonfatal("sqrtf(-0.0) != -0.0");
|
|
}
|
|
|
|
ATF_TC(sqrtf_zero_pos);
|
|
ATF_TC_HEAD(sqrtf_zero_pos, tc)
|
|
{
|
|
atf_tc_set_md_var(tc, "descr", "Test sqrtf(+0.0) == +0.0");
|
|
}
|
|
|
|
ATF_TC_BODY(sqrtf_zero_pos, tc)
|
|
{
|
|
const float x = 0.0L;
|
|
float y = sqrtf(x);
|
|
|
|
if (fabsf(y) > 0.0 || signbit(y) != 0)
|
|
atf_tc_fail_nonfatal("sqrtf(+0.0) != +0.0");
|
|
}
|
|
|
|
/*
|
|
* sqrtl(3)
|
|
*/
|
|
ATF_TC(sqrtl_nan);
|
|
ATF_TC_HEAD(sqrtl_nan, tc)
|
|
{
|
|
atf_tc_set_md_var(tc, "descr", "Test sqrtl(NaN) == NaN");
|
|
}
|
|
|
|
ATF_TC_BODY(sqrtl_nan, tc)
|
|
{
|
|
const long double x = 0.0L / 0.0L;
|
|
|
|
ATF_CHECK(isnan(x) != 0);
|
|
ATF_CHECK(isnan(sqrtl(x)) != 0);
|
|
}
|
|
|
|
ATF_TC(sqrtl_powl);
|
|
ATF_TC_HEAD(sqrtl_powl, tc)
|
|
{
|
|
atf_tc_set_md_var(tc, "descr", "Test sqrtl(3) vs. powl(3)");
|
|
}
|
|
|
|
ATF_TC_BODY(sqrtl_powl, tc)
|
|
{
|
|
const long double x[] = { 0.0, 0.005, 1.0, 99.0, 123.123, 9999.9999 };
|
|
const long double eps = DBL_EPSILON; /* XXX powl == pow for now */
|
|
size_t i;
|
|
|
|
for (i = 0; i < __arraycount(x); i++) {
|
|
long double x_sqrt = sqrtl(x[i]);
|
|
long double x_pow12 = powl(x[i], 1.0 / 2.0);
|
|
bool ok;
|
|
|
|
if (x[i] == 0) {
|
|
ok = (x_sqrt == x_pow12);
|
|
} else {
|
|
ok = (fabsl((x_sqrt - x_pow12)/x_sqrt) <= eps);
|
|
}
|
|
|
|
if (!ok) {
|
|
atf_tc_fail_nonfatal("sqrtl(%.35Lg) = %.35Lg != "
|
|
"powl(%.35Lg, 1/2) = %.35Lg\n",
|
|
x[i], x_sqrt, x[i], x_pow12);
|
|
}
|
|
}
|
|
}
|
|
|
|
ATF_TC(sqrtl_inf_neg);
|
|
ATF_TC_HEAD(sqrtl_inf_neg, tc)
|
|
{
|
|
atf_tc_set_md_var(tc, "descr", "Test sqrtl(-Inf) == NaN");
|
|
}
|
|
|
|
ATF_TC_BODY(sqrtl_inf_neg, tc)
|
|
{
|
|
const long double x = -1.0L / 0.0L;
|
|
long double y = sqrtl(x);
|
|
|
|
ATF_CHECK(isnan(y) != 0);
|
|
}
|
|
|
|
ATF_TC(sqrtl_inf_pos);
|
|
ATF_TC_HEAD(sqrtl_inf_pos, tc)
|
|
{
|
|
atf_tc_set_md_var(tc, "descr", "Test sqrtl(+Inf) == +Inf");
|
|
}
|
|
|
|
ATF_TC_BODY(sqrtl_inf_pos, tc)
|
|
{
|
|
const long double x = 1.0L / 0.0L;
|
|
long double y = sqrtl(x);
|
|
|
|
ATF_CHECK(isinf(y) != 0);
|
|
ATF_CHECK(signbit(y) == 0);
|
|
}
|
|
|
|
ATF_TC(sqrtl_zero_neg);
|
|
ATF_TC_HEAD(sqrtl_zero_neg, tc)
|
|
{
|
|
atf_tc_set_md_var(tc, "descr", "Test sqrtl(-0.0) == -0.0");
|
|
}
|
|
|
|
ATF_TC_BODY(sqrtl_zero_neg, tc)
|
|
{
|
|
const long double x = -0.0L;
|
|
long double y = sqrtl(x);
|
|
|
|
if (fabsl(y) > 0.0 || signbit(y) == 0)
|
|
atf_tc_fail_nonfatal("sqrtl(-0.0) != -0.0");
|
|
}
|
|
|
|
ATF_TC(sqrtl_zero_pos);
|
|
ATF_TC_HEAD(sqrtl_zero_pos, tc)
|
|
{
|
|
atf_tc_set_md_var(tc, "descr", "Test sqrtl(+0.0) == +0.0");
|
|
}
|
|
|
|
ATF_TC_BODY(sqrtl_zero_pos, tc)
|
|
{
|
|
const long double x = 0.0L;
|
|
long double y = sqrtl(x);
|
|
|
|
if (fabsl(y) > 0.0 || signbit(y) != 0)
|
|
atf_tc_fail_nonfatal("sqrtl(+0.0) != +0.0");
|
|
}
|
|
|
|
ATF_TP_ADD_TCS(tp)
|
|
{
|
|
|
|
ATF_TP_ADD_TC(tp, sqrt_nan);
|
|
ATF_TP_ADD_TC(tp, sqrt_pow);
|
|
ATF_TP_ADD_TC(tp, sqrt_inf_neg);
|
|
ATF_TP_ADD_TC(tp, sqrt_inf_pos);
|
|
ATF_TP_ADD_TC(tp, sqrt_zero_neg);
|
|
ATF_TP_ADD_TC(tp, sqrt_zero_pos);
|
|
|
|
ATF_TP_ADD_TC(tp, sqrtf_nan);
|
|
ATF_TP_ADD_TC(tp, sqrtf_powf);
|
|
ATF_TP_ADD_TC(tp, sqrtf_inf_neg);
|
|
ATF_TP_ADD_TC(tp, sqrtf_inf_pos);
|
|
ATF_TP_ADD_TC(tp, sqrtf_zero_neg);
|
|
ATF_TP_ADD_TC(tp, sqrtf_zero_pos);
|
|
|
|
ATF_TP_ADD_TC(tp, sqrtl_nan);
|
|
ATF_TP_ADD_TC(tp, sqrtl_powl);
|
|
ATF_TP_ADD_TC(tp, sqrtl_inf_neg);
|
|
ATF_TP_ADD_TC(tp, sqrtl_inf_pos);
|
|
ATF_TP_ADD_TC(tp, sqrtl_zero_neg);
|
|
ATF_TP_ADD_TC(tp, sqrtl_zero_pos);
|
|
|
|
return atf_no_error();
|
|
}
|