2 * Copyright (C) 2013 The Android Open Source Project
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
20 // This include (and the associated definition of __test_capture_signbit)
21 // must be placed before any files that include <cmath> (gtest.h in this case).
23 // <math.h> is required to define generic macros signbit, isfinite and
24 // several other such functions.
26 // <cmath> is required to undef declarations of these macros in the global
27 // namespace and make equivalent functions available in namespace std. Our
28 // stlport implementation does this only for signbit, isfinite, isinf and
31 // NOTE: We don't write our test using std::signbit because we want to be
32 // sure that we're testing the bionic version of signbit. The C++ libraries
33 // are free to reimplement signbit or delegate to compiler builtins if they
37 template<typename T> inline int test_capture_signbit(const T in) {
40 template<typename T> inline int test_capture_isfinite(const T in) {
43 template<typename T> inline int test_capture_isnan(const T in) {
46 template<typename T> inline int test_capture_isinf(const T in) {
51 #include "math_data_test.h"
53 #include <gtest/gtest.h>
60 #include <private/ScopeGuard.h>
62 float float_subnormal() {
71 double double_subnormal() {
76 u.i = 0x000fffffffffffffLL;
80 long double ldouble_subnormal() {
83 unsigned char c[sizeof(long double)];
86 // Subnormals must have a zero exponent and non zero significand.
87 // On all supported representation the 17 bit (counting from either sides)
88 // is part of the significand so it should be enough to set that.
89 // It also applies for the case sizeof(double) = sizeof(long double)
90 for (unsigned int i = 0; i < sizeof(long double); i++) {
93 u.c[sizeof(long double) - 3] = 0x80;
99 TEST(math, fpclassify) {
100 ASSERT_EQ(FP_INFINITE, fpclassify(INFINITY));
101 ASSERT_EQ(FP_INFINITE, fpclassify(HUGE_VALF));
102 ASSERT_EQ(FP_INFINITE, fpclassify(HUGE_VAL));
103 ASSERT_EQ(FP_INFINITE, fpclassify(HUGE_VALL));
105 ASSERT_EQ(FP_NAN, fpclassify(nanf("")));
106 ASSERT_EQ(FP_NAN, fpclassify(nan("")));
107 ASSERT_EQ(FP_NAN, fpclassify(nanl("")));
109 ASSERT_EQ(FP_NORMAL, fpclassify(1.0f));
110 ASSERT_EQ(FP_NORMAL, fpclassify(1.0));
111 ASSERT_EQ(FP_NORMAL, fpclassify(1.0L));
113 ASSERT_EQ(FP_SUBNORMAL, fpclassify(float_subnormal()));
114 ASSERT_EQ(FP_SUBNORMAL, fpclassify(double_subnormal()));
115 ASSERT_EQ(FP_SUBNORMAL, fpclassify(ldouble_subnormal()));
117 ASSERT_EQ(FP_ZERO, fpclassify(0.0f));
118 ASSERT_EQ(FP_ZERO, fpclassify(0.0));
119 ASSERT_EQ(FP_ZERO, fpclassify(0.0L));
122 TEST(math, isfinite) {
123 ASSERT_TRUE(test_capture_isfinite(123.0f));
124 ASSERT_TRUE(test_capture_isfinite(123.0));
125 ASSERT_TRUE(test_capture_isfinite(123.0L));
126 ASSERT_FALSE(test_capture_isfinite(HUGE_VALF));
127 ASSERT_FALSE(test_capture_isfinite(HUGE_VAL));
128 ASSERT_FALSE(test_capture_isfinite(HUGE_VALL));
132 ASSERT_FALSE(test_capture_isinf(123.0f));
133 ASSERT_FALSE(test_capture_isinf(123.0));
134 ASSERT_FALSE(test_capture_isinf(123.0L));
135 ASSERT_TRUE(test_capture_isinf(HUGE_VALF));
136 ASSERT_TRUE(test_capture_isinf(HUGE_VAL));
137 ASSERT_TRUE(test_capture_isinf(HUGE_VALL));
141 ASSERT_FALSE(test_capture_isnan(123.0f));
142 ASSERT_FALSE(test_capture_isnan(123.0));
143 ASSERT_FALSE(test_capture_isnan(123.0L));
144 ASSERT_TRUE(test_capture_isnan(nanf("")));
145 ASSERT_TRUE(test_capture_isnan(nan("")));
146 ASSERT_TRUE(test_capture_isnan(nanl("")));
149 TEST(math, isnormal) {
150 ASSERT_TRUE(isnormal(123.0f));
151 ASSERT_TRUE(isnormal(123.0));
152 ASSERT_TRUE(isnormal(123.0L));
153 ASSERT_FALSE(isnormal(float_subnormal()));
154 ASSERT_FALSE(isnormal(double_subnormal()));
155 ASSERT_FALSE(isnormal(ldouble_subnormal()));
158 // TODO: isgreater, isgreaterequals, isless, islessequal, islessgreater, isunordered
159 TEST(math, signbit) {
160 ASSERT_EQ(0, test_capture_signbit(0.0f));
161 ASSERT_EQ(0, test_capture_signbit(0.0));
162 ASSERT_EQ(0, test_capture_signbit(0.0L));
164 ASSERT_EQ(0, test_capture_signbit(1.0f));
165 ASSERT_EQ(0, test_capture_signbit(1.0));
166 ASSERT_EQ(0, test_capture_signbit(1.0L));
168 ASSERT_NE(0, test_capture_signbit(-1.0f));
169 ASSERT_NE(0, test_capture_signbit(-1.0));
170 ASSERT_NE(0, test_capture_signbit(-1.0L));
173 TEST(math, __fpclassifyd) {
174 #if defined(__GLIBC__)
175 #define __fpclassifyd __fpclassify
177 ASSERT_EQ(FP_INFINITE, __fpclassifyd(HUGE_VAL));
178 ASSERT_EQ(FP_NAN, __fpclassifyd(nan("")));
179 ASSERT_EQ(FP_NORMAL, __fpclassifyd(1.0));
180 ASSERT_EQ(FP_SUBNORMAL, __fpclassifyd(double_subnormal()));
181 ASSERT_EQ(FP_ZERO, __fpclassifyd(0.0));
184 TEST(math, __fpclassifyf) {
185 ASSERT_EQ(FP_INFINITE, __fpclassifyf(HUGE_VALF));
186 ASSERT_EQ(FP_NAN, __fpclassifyf(nanf("")));
187 ASSERT_EQ(FP_NORMAL, __fpclassifyf(1.0f));
188 ASSERT_EQ(FP_SUBNORMAL, __fpclassifyf(float_subnormal()));
189 ASSERT_EQ(FP_ZERO, __fpclassifyf(0.0f));
192 TEST(math, __fpclassifyl) {
193 EXPECT_EQ(FP_INFINITE, __fpclassifyl(HUGE_VALL));
194 EXPECT_EQ(FP_NAN, __fpclassifyl(nanl("")));
195 EXPECT_EQ(FP_NORMAL, __fpclassifyl(1.0L));
196 EXPECT_EQ(FP_SUBNORMAL, __fpclassifyl(ldouble_subnormal()));
197 EXPECT_EQ(FP_ZERO, __fpclassifyl(0.0L));
200 TEST(math, finitef) {
201 ASSERT_TRUE(finitef(123.0f));
202 ASSERT_FALSE(finitef(HUGE_VALF));
205 TEST(math, __isfinite) {
206 #if defined(__GLIBC__)
207 #define __isfinite __finite
209 ASSERT_TRUE(__isfinite(123.0));
210 ASSERT_FALSE(__isfinite(HUGE_VAL));
213 TEST(math, __isfinitef) {
214 #if defined(__GLIBC__)
215 #define __isfinitef __finitef
217 ASSERT_TRUE(__isfinitef(123.0f));
218 ASSERT_FALSE(__isfinitef(HUGE_VALF));
221 TEST(math, __isfinitel) {
222 #if defined(__GLIBC__)
223 #define __isfinitel __finitel
225 ASSERT_TRUE(__isfinitel(123.0L));
226 ASSERT_FALSE(__isfinitel(HUGE_VALL));
230 ASSERT_TRUE(finite(123.0));
231 ASSERT_FALSE(finite(HUGE_VAL));
234 TEST(math, isinf_function) {
235 // The isinf macro deals with all three types; the isinf function is for doubles.
236 ASSERT_FALSE((isinf)(123.0));
237 ASSERT_TRUE((isinf)(HUGE_VAL));
240 TEST(math, __isinff) {
241 ASSERT_FALSE(__isinff(123.0f));
242 ASSERT_TRUE(__isinff(HUGE_VALF));
245 TEST(math, __isinfl) {
246 ASSERT_FALSE(__isinfl(123.0L));
247 ASSERT_TRUE(__isinfl(HUGE_VALL));
250 TEST(math, isnan_function) {
251 // The isnan macro deals with all three types; the isnan function is for doubles.
252 ASSERT_FALSE((isnan)(123.0));
253 ASSERT_TRUE((isnan)(nan("")));
256 TEST(math, __isnanf) {
257 ASSERT_FALSE(__isnanf(123.0f));
258 ASSERT_TRUE(__isnanf(nanf("")));
261 TEST(math, __isnanl) {
262 ASSERT_FALSE(__isnanl(123.0L));
263 ASSERT_TRUE(__isnanl(nanl("")));
267 ASSERT_FALSE(isnanf(123.0f));
268 ASSERT_TRUE(isnanf(nanf("")));
271 TEST(math, __isnormal) {
272 #if defined(__BIONIC__)
273 ASSERT_TRUE(__isnormal(123.0));
274 ASSERT_FALSE(__isnormal(double_subnormal()));
276 GTEST_LOG_(INFO) << "glibc doesn't have __isnormal.\n";
280 TEST(math, __isnormalf) {
281 #if defined(__BIONIC__)
282 ASSERT_TRUE(__isnormalf(123.0f));
283 ASSERT_FALSE(__isnormalf(float_subnormal()));
285 GTEST_LOG_(INFO) << "glibc doesn't have __isnormalf.\n";
289 TEST(math, __isnormall) {
290 #if defined(__BIONIC__)
291 ASSERT_TRUE(__isnormall(123.0L));
292 ASSERT_FALSE(__isnormall(ldouble_subnormal()));
294 GTEST_LOG_(INFO) << "glibc doesn't have __isnormall.\n";
298 TEST(math, __signbit) {
299 ASSERT_EQ(0, __signbit(0.0));
300 ASSERT_EQ(0, __signbit(1.0));
301 ASSERT_NE(0, __signbit(-1.0));
304 TEST(math, __signbitf) {
305 ASSERT_EQ(0, __signbitf(0.0f));
306 ASSERT_EQ(0, __signbitf(1.0f));
307 ASSERT_NE(0, __signbitf(-1.0f));
310 TEST(math, __signbitl) {
311 ASSERT_EQ(0L, __signbitl(0.0L));
312 ASSERT_EQ(0L, __signbitl(1.0L));
313 ASSERT_NE(0L, __signbitl(-1.0L));
317 ASSERT_DOUBLE_EQ(M_PI/2.0, acos(0.0));
321 ASSERT_FLOAT_EQ(static_cast<float>(M_PI)/2.0f, acosf(0.0f));
325 ASSERT_DOUBLE_EQ(M_PI/2.0L, acosl(0.0L));
329 ASSERT_DOUBLE_EQ(0.0, asin(0.0));
333 ASSERT_FLOAT_EQ(0.0f, asinf(0.0f));
337 ASSERT_DOUBLE_EQ(0.0L, asinl(0.0L));
341 ASSERT_DOUBLE_EQ(0.0, atan(0.0));
345 ASSERT_FLOAT_EQ(0.0f, atanf(0.0f));
349 ASSERT_DOUBLE_EQ(0.0L, atanl(0.0L));
353 ASSERT_DOUBLE_EQ(0.0, atan2(0.0, 0.0));
357 ASSERT_FLOAT_EQ(0.0f, atan2f(0.0f, 0.0f));
361 ASSERT_DOUBLE_EQ(0.0L, atan2l(0.0L, 0.0L));
365 ASSERT_DOUBLE_EQ(1.0, cos(0.0));
369 ASSERT_FLOAT_EQ(1.0f, cosf(0.0f));
373 ASSERT_DOUBLE_EQ(1.0L, cosl(0.0L));
377 ASSERT_DOUBLE_EQ(0.0, sin(0.0));
381 ASSERT_FLOAT_EQ(0.0f, sinf(0.0f));
385 ASSERT_DOUBLE_EQ(0.0L, sinl(0.0L));
389 ASSERT_DOUBLE_EQ(0.0, tan(0.0));
393 ASSERT_FLOAT_EQ(0.0f, tanf(0.0f));
397 ASSERT_DOUBLE_EQ(0.0L, tanl(0.0L));
401 ASSERT_DOUBLE_EQ(0.0, acosh(1.0));
405 ASSERT_FLOAT_EQ(0.0f, acoshf(1.0f));
409 ASSERT_DOUBLE_EQ(0.0L, acoshl(1.0L));
413 ASSERT_DOUBLE_EQ(0.0, asinh(0.0));
417 ASSERT_FLOAT_EQ(0.0f, asinhf(0.0f));
421 ASSERT_DOUBLE_EQ(0.0L, asinhl(0.0L));
425 ASSERT_DOUBLE_EQ(0.0, atanh(0.0));
429 ASSERT_FLOAT_EQ(0.0f, atanhf(0.0f));
433 ASSERT_DOUBLE_EQ(0.0L, atanhl(0.0L));
437 ASSERT_DOUBLE_EQ(1.0, cosh(0.0));
441 ASSERT_FLOAT_EQ(1.0f, coshf(0.0f));
445 ASSERT_DOUBLE_EQ(1.0L, coshl(0.0L));
449 ASSERT_DOUBLE_EQ(0.0, sinh(0.0));
453 ASSERT_FLOAT_EQ(0.0f, sinhf(0.0f));
457 ASSERT_DOUBLE_EQ(0.0L, sinhl(0.0L));
461 ASSERT_DOUBLE_EQ(0.0, tanh(0.0));
465 ASSERT_FLOAT_EQ(0.0f, tanhf(0.0f));
469 ASSERT_DOUBLE_EQ(0.0L, tanhl(0.0L));
473 ASSERT_DOUBLE_EQ(1.0, log(M_E));
477 ASSERT_FLOAT_EQ(1.0f, logf(static_cast<float>(M_E)));
481 ASSERT_DOUBLE_EQ(1.0L, logl(M_E));
485 ASSERT_DOUBLE_EQ(12.0, log2(4096.0));
489 ASSERT_FLOAT_EQ(12.0f, log2f(4096.0f));
493 ASSERT_DOUBLE_EQ(12.0L, log2l(4096.0L));
497 ASSERT_DOUBLE_EQ(3.0, log10(1000.0));
501 ASSERT_FLOAT_EQ(3.0f, log10f(1000.0f));
505 ASSERT_DOUBLE_EQ(3.0L, log10l(1000.0L));
509 ASSERT_DOUBLE_EQ(3.0, cbrt(27.0));
513 ASSERT_FLOAT_EQ(3.0f, cbrtf(27.0f));
517 ASSERT_DOUBLE_EQ(3.0L, cbrtl(27.0L));
521 ASSERT_DOUBLE_EQ(2.0, sqrt(4.0));
525 ASSERT_FLOAT_EQ(2.0f, sqrtf(4.0f));
529 ASSERT_DOUBLE_EQ(2.0L, sqrtl(4.0L));
533 ASSERT_DOUBLE_EQ(1.0, exp(0.0));
534 ASSERT_DOUBLE_EQ(M_E, exp(1.0));
538 ASSERT_FLOAT_EQ(1.0f, expf(0.0f));
539 ASSERT_FLOAT_EQ(static_cast<float>(M_E), expf(1.0f));
543 ASSERT_DOUBLE_EQ(1.0L, expl(0.0L));
544 ASSERT_DOUBLE_EQ(M_E, expl(1.0L));
548 ASSERT_DOUBLE_EQ(8.0, exp2(3.0));
552 ASSERT_FLOAT_EQ(8.0f, exp2f(3.0f));
556 ASSERT_DOUBLE_EQ(8.0L, exp2l(3.0L));
560 ASSERT_DOUBLE_EQ(M_E - 1.0, expm1(1.0));
564 ASSERT_FLOAT_EQ(static_cast<float>(M_E) - 1.0f, expm1f(1.0f));
568 ASSERT_DOUBLE_EQ(M_E - 1.0L, expm1l(1.0L));
572 ASSERT_TRUE(isnan(pow(nan(""), 3.0)));
573 ASSERT_DOUBLE_EQ(1.0, (pow(1.0, nan(""))));
574 ASSERT_TRUE(isnan(pow(2.0, nan(""))));
575 ASSERT_DOUBLE_EQ(8.0, pow(2.0, 3.0));
579 ASSERT_TRUE(isnanf(powf(nanf(""), 3.0f)));
580 ASSERT_FLOAT_EQ(1.0f, (powf(1.0f, nanf(""))));
581 ASSERT_TRUE(isnanf(powf(2.0f, nanf(""))));
582 ASSERT_FLOAT_EQ(8.0f, powf(2.0f, 3.0f));
586 ASSERT_TRUE(__isnanl(powl(nanl(""), 3.0L)));
587 ASSERT_DOUBLE_EQ(1.0L, (powl(1.0L, nanl(""))));
588 ASSERT_TRUE(__isnanl(powl(2.0L, nanl(""))));
589 ASSERT_DOUBLE_EQ(8.0L, powl(2.0L, 3.0L));
593 ASSERT_DOUBLE_EQ(1.0, ceil(0.9));
597 ASSERT_FLOAT_EQ(1.0f, ceilf(0.9f));
601 ASSERT_DOUBLE_EQ(1.0L, ceill(0.9L));
605 ASSERT_DOUBLE_EQ(1.0, floor(1.1));
609 ASSERT_FLOAT_EQ(1.0f, floorf(1.1f));
613 ASSERT_DOUBLE_EQ(1.0L, floorl(1.1L));
617 ASSERT_DOUBLE_EQ(1.0, fabs(-1.0));
621 ASSERT_FLOAT_EQ(1.0f, fabsf(-1.0f));
625 ASSERT_DOUBLE_EQ(1.0L, fabsl(-1.0L));
629 ASSERT_DOUBLE_EQ(16.0, ldexp(2.0, 3.0));
633 ASSERT_FLOAT_EQ(16.0f, ldexpf(2.0f, 3.0f));
637 ASSERT_DOUBLE_EQ(16.0L, ldexpl(2.0L, 3.0));
641 ASSERT_DOUBLE_EQ(2.0, fmod(12.0, 10.0));
645 ASSERT_FLOAT_EQ(2.0f, fmodf(12.0f, 10.0f));
649 ASSERT_DOUBLE_EQ(2.0L, fmodl(12.0L, 10.0L));
652 TEST(math, remainder) {
653 ASSERT_DOUBLE_EQ(2.0, remainder(12.0, 10.0));
656 TEST(math, remainderf) {
657 ASSERT_FLOAT_EQ(2.0f, remainderf(12.0f, 10.0f));
660 TEST(math, remainderl) {
661 ASSERT_DOUBLE_EQ(2.0L, remainderl(12.0L, 10.0L));
665 ASSERT_DOUBLE_EQ(2.0, drem(12.0, 10.0));
669 ASSERT_FLOAT_EQ(2.0f, dremf(12.0f, 10.0f));
673 ASSERT_DOUBLE_EQ(12.0, fmax(12.0, 10.0));
674 ASSERT_DOUBLE_EQ(12.0, fmax(12.0, nan("")));
675 ASSERT_DOUBLE_EQ(12.0, fmax(nan(""), 12.0));
679 ASSERT_FLOAT_EQ(12.0f, fmaxf(12.0f, 10.0f));
680 ASSERT_FLOAT_EQ(12.0f, fmaxf(12.0f, nanf("")));
681 ASSERT_FLOAT_EQ(12.0f, fmaxf(nanf(""), 12.0f));
685 ASSERT_DOUBLE_EQ(12.0L, fmaxl(12.0L, 10.0L));
686 ASSERT_DOUBLE_EQ(12.0L, fmaxl(12.0L, nanl("")));
687 ASSERT_DOUBLE_EQ(12.0L, fmaxl(nanl(""), 12.0L));
691 ASSERT_DOUBLE_EQ(10.0, fmin(12.0, 10.0));
692 ASSERT_DOUBLE_EQ(12.0, fmin(12.0, nan("")));
693 ASSERT_DOUBLE_EQ(12.0, fmin(nan(""), 12.0));
697 ASSERT_FLOAT_EQ(10.0f, fminf(12.0f, 10.0f));
698 ASSERT_FLOAT_EQ(12.0f, fminf(12.0f, nanf("")));
699 ASSERT_FLOAT_EQ(12.0f, fminf(nanf(""), 12.0f));
703 ASSERT_DOUBLE_EQ(10.0L, fminl(12.0L, 10.0L));
704 ASSERT_DOUBLE_EQ(12.0L, fminl(12.0L, nanl("")));
705 ASSERT_DOUBLE_EQ(12.0L, fminl(nanl(""), 12.0L));
709 ASSERT_DOUBLE_EQ(10.0, fma(2.0, 3.0, 4.0));
713 ASSERT_FLOAT_EQ(10.0f, fmaf(2.0f, 3.0f, 4.0f));
717 ASSERT_DOUBLE_EQ(10.0L, fmal(2.0L, 3.0L, 4.0L));
721 ASSERT_DOUBLE_EQ(5.0, hypot(3.0, 4.0));
725 ASSERT_FLOAT_EQ(5.0f, hypotf(3.0f, 4.0f));
729 ASSERT_DOUBLE_EQ(5.0L, hypotl(3.0L, 4.0L));
733 ASSERT_DOUBLE_EQ(0.84270079294971489, erf(1.0));
737 ASSERT_FLOAT_EQ(0.84270078f, erff(1.0f));
741 ASSERT_DOUBLE_EQ(0.84270079294971489L, erfl(1.0L));
745 ASSERT_DOUBLE_EQ(0.15729920705028513, erfc(1.0));
749 ASSERT_FLOAT_EQ(0.15729921f, erfcf(1.0f));
753 ASSERT_DOUBLE_EQ(0.15729920705028513l, erfcl(1.0L));
757 auto guard = make_scope_guard([]() {
758 fesetenv(FE_DFL_ENV);
761 fesetround(FE_UPWARD); // lrint/lrintf/lrintl obey the rounding mode.
762 ASSERT_EQ(1235, lrint(1234.01));
763 ASSERT_EQ(1235, lrintf(1234.01f));
764 ASSERT_EQ(1235, lrintl(1234.01L));
765 fesetround(FE_TOWARDZERO); // lrint/lrintf/lrintl obey the rounding mode.
766 ASSERT_EQ(1234, lrint(1234.01));
767 ASSERT_EQ(1234, lrintf(1234.01f));
768 ASSERT_EQ(1234, lrintl(1234.01L));
770 fesetround(FE_UPWARD); // llrint/llrintf/llrintl obey the rounding mode.
771 ASSERT_EQ(1235L, llrint(1234.01));
772 ASSERT_EQ(1235L, llrintf(1234.01f));
773 ASSERT_EQ(1235L, llrintl(1234.01L));
774 fesetround(FE_TOWARDZERO); // llrint/llrintf/llrintl obey the rounding mode.
775 ASSERT_EQ(1234L, llrint(1234.01));
776 ASSERT_EQ(1234L, llrintf(1234.01f));
777 ASSERT_EQ(1234L, llrintl(1234.01L));
781 auto guard = make_scope_guard([]() {
782 fesetenv(FE_DFL_ENV);
785 fesetround(FE_UPWARD); // rint/rintf/rintl obey the rounding mode.
786 feclearexcept(FE_ALL_EXCEPT); // rint/rintf/rintl do set the FE_INEXACT flag.
787 ASSERT_EQ(1234.0, rint(1234.0));
788 ASSERT_TRUE((fetestexcept(FE_ALL_EXCEPT) & FE_INEXACT) == 0);
789 ASSERT_EQ(1235.0, rint(1234.01));
790 ASSERT_TRUE((fetestexcept(FE_ALL_EXCEPT) & FE_INEXACT) != 0);
792 feclearexcept(FE_ALL_EXCEPT); // rint/rintf/rintl do set the FE_INEXACT flag.
793 ASSERT_EQ(1234.0f, rintf(1234.0f));
794 ASSERT_TRUE((fetestexcept(FE_ALL_EXCEPT) & FE_INEXACT) == 0);
795 ASSERT_EQ(1235.0f, rintf(1234.01f));
796 ASSERT_TRUE((fetestexcept(FE_ALL_EXCEPT) & FE_INEXACT) != 0);
798 feclearexcept(FE_ALL_EXCEPT); // rint/rintf/rintl do set the FE_INEXACT flag.
799 ASSERT_EQ(1234.0, rintl(1234.0L));
800 ASSERT_TRUE((fetestexcept(FE_ALL_EXCEPT) & FE_INEXACT) == 0);
801 ASSERT_EQ(1235.0, rintl(1234.01L));
802 ASSERT_TRUE((fetestexcept(FE_ALL_EXCEPT) & FE_INEXACT) != 0);
804 fesetround(FE_TOWARDZERO); // rint/rintf obey the rounding mode.
805 ASSERT_EQ(1234.0, rint(1234.01));
806 ASSERT_EQ(1234.0f, rintf(1234.01f));
807 ASSERT_EQ(1234.0, rintl(1234.01L));
810 TEST(math, nearbyint) {
811 auto guard = make_scope_guard([]() {
812 fesetenv(FE_DFL_ENV);
814 fesetround(FE_UPWARD); // nearbyint/nearbyintf/nearbyintl obey the rounding mode.
815 feclearexcept(FE_ALL_EXCEPT); // nearbyint/nearbyintf/nearbyintl don't set the FE_INEXACT flag.
816 ASSERT_EQ(1234.0, nearbyint(1234.0));
817 ASSERT_TRUE((fetestexcept(FE_ALL_EXCEPT) & FE_INEXACT) == 0);
818 ASSERT_EQ(1235.0, nearbyint(1234.01));
819 ASSERT_TRUE((fetestexcept(FE_ALL_EXCEPT) & FE_INEXACT) == 0);
821 feclearexcept(FE_ALL_EXCEPT);
822 ASSERT_EQ(1234.0f, nearbyintf(1234.0f));
823 ASSERT_TRUE((fetestexcept(FE_ALL_EXCEPT) & FE_INEXACT) == 0);
824 ASSERT_EQ(1235.0f, nearbyintf(1234.01f));
825 ASSERT_TRUE((fetestexcept(FE_ALL_EXCEPT) & FE_INEXACT) == 0);
827 feclearexcept(FE_ALL_EXCEPT); // nearbyint/nearbyintf/nearbyintl don't set the FE_INEXACT flag.
828 ASSERT_EQ(1234.0, nearbyintl(1234.0L));
829 ASSERT_TRUE((fetestexcept(FE_ALL_EXCEPT) & FE_INEXACT) == 0);
830 ASSERT_EQ(1235.0, nearbyintl(1234.01L));
831 ASSERT_TRUE((fetestexcept(FE_ALL_EXCEPT) & FE_INEXACT) == 0);
833 fesetround(FE_TOWARDZERO); // nearbyint/nearbyintf/nearbyintl obey the rounding mode.
834 ASSERT_EQ(1234.0, nearbyint(1234.01));
835 ASSERT_EQ(1234.0f, nearbyintf(1234.01f));
836 ASSERT_EQ(1234.0, nearbyintl(1234.01L));
840 auto guard = make_scope_guard([]() {
841 fesetenv(FE_DFL_ENV);
843 fesetround(FE_UPWARD); // lround ignores the rounding mode.
844 ASSERT_EQ(1234, lround(1234.01));
845 ASSERT_EQ(1234, lroundf(1234.01f));
846 ASSERT_EQ(1234, lroundl(1234.01L));
849 TEST(math, llround) {
850 auto guard = make_scope_guard([]() {
851 fesetenv(FE_DFL_ENV);
853 fesetround(FE_UPWARD); // llround ignores the rounding mode.
854 ASSERT_EQ(1234L, llround(1234.01));
855 ASSERT_EQ(1234L, llroundf(1234.01f));
856 ASSERT_EQ(1234L, llroundl(1234.01L));
860 ASSERT_EQ(FP_ILOGB0, ilogb(0.0));
861 ASSERT_EQ(FP_ILOGBNAN, ilogb(nan("")));
862 ASSERT_EQ(INT_MAX, ilogb(HUGE_VAL));
863 ASSERT_EQ(0, ilogb(1.0));
864 ASSERT_EQ(3, ilogb(10.0));
868 ASSERT_EQ(FP_ILOGB0, ilogbf(0.0f));
869 ASSERT_EQ(FP_ILOGBNAN, ilogbf(nanf("")));
870 ASSERT_EQ(INT_MAX, ilogbf(HUGE_VALF));
871 ASSERT_EQ(0, ilogbf(1.0f));
872 ASSERT_EQ(3, ilogbf(10.0f));
876 ASSERT_EQ(FP_ILOGB0, ilogbl(0.0L));
877 ASSERT_EQ(FP_ILOGBNAN, ilogbl(nanl("")));
878 ASSERT_EQ(INT_MAX, ilogbl(HUGE_VALL));
879 ASSERT_EQ(0L, ilogbl(1.0L));
880 ASSERT_EQ(3L, ilogbl(10.0L));
884 ASSERT_EQ(-HUGE_VAL, logb(0.0));
885 ASSERT_TRUE(isnan(logb(nan(""))));
886 ASSERT_TRUE(isinf(logb(HUGE_VAL)));
887 ASSERT_EQ(0.0, logb(1.0));
888 ASSERT_EQ(3.0, logb(10.0));
892 ASSERT_EQ(-HUGE_VALF, logbf(0.0f));
893 ASSERT_TRUE(isnanf(logbf(nanf(""))));
894 ASSERT_TRUE(__isinff(logbf(HUGE_VALF)));
895 ASSERT_EQ(0.0f, logbf(1.0f));
896 ASSERT_EQ(3.0f, logbf(10.0f));
900 ASSERT_EQ(-HUGE_VAL, logbl(0.0L));
901 ASSERT_TRUE(isnan(logbl(nanl(""))));
902 ASSERT_TRUE(isinf(logbl(HUGE_VALL)));
903 ASSERT_EQ(0.0L, logbl(1.0L));
904 ASSERT_EQ(3.0L, logbl(10.0L));
908 ASSERT_EQ(-HUGE_VAL, log1p(-1.0));
909 ASSERT_TRUE(isnan(log1p(nan(""))));
910 ASSERT_TRUE(isinf(log1p(HUGE_VAL)));
911 ASSERT_DOUBLE_EQ(1.0, log1p(M_E - 1.0));
915 ASSERT_EQ(-HUGE_VALF, log1pf(-1.0f));
916 ASSERT_TRUE(isnanf(log1pf(nanf(""))));
917 ASSERT_TRUE(__isinff(log1pf(HUGE_VALF)));
918 ASSERT_FLOAT_EQ(1.0f, log1pf(static_cast<float>(M_E) - 1.0f));
922 ASSERT_EQ(-HUGE_VALL, log1pl(-1.0L));
923 ASSERT_TRUE(isnan(log1pl(nanl(""))));
924 ASSERT_TRUE(isinf(log1pl(HUGE_VALL)));
925 ASSERT_DOUBLE_EQ(1.0L, log1pl(M_E - 1.0L));
929 ASSERT_DOUBLE_EQ(0.0, fdim(1.0, 1.0));
930 ASSERT_DOUBLE_EQ(1.0, fdim(2.0, 1.0));
931 ASSERT_DOUBLE_EQ(0.0, fdim(1.0, 2.0));
935 ASSERT_FLOAT_EQ(0.0f, fdimf(1.0f, 1.0f));
936 ASSERT_FLOAT_EQ(1.0f, fdimf(2.0f, 1.0f));
937 ASSERT_FLOAT_EQ(0.0f, fdimf(1.0f, 2.0f));
941 ASSERT_DOUBLE_EQ(0.0L, fdiml(1.0L, 1.0L));
942 ASSERT_DOUBLE_EQ(1.0L, fdiml(2.0L, 1.0L));
943 ASSERT_DOUBLE_EQ(0.0L, fdiml(1.0L, 2.0L));
947 auto guard = make_scope_guard([]() {
948 fesetenv(FE_DFL_ENV);
950 fesetround(FE_TOWARDZERO); // round ignores the rounding mode and always rounds away from zero.
951 ASSERT_DOUBLE_EQ(1.0, round(0.5));
952 ASSERT_DOUBLE_EQ(-1.0, round(-0.5));
953 ASSERT_DOUBLE_EQ(0.0, round(0.0));
954 ASSERT_DOUBLE_EQ(-0.0, round(-0.0));
955 ASSERT_TRUE(isnan(round(nan(""))));
956 ASSERT_DOUBLE_EQ(HUGE_VAL, round(HUGE_VAL));
960 auto guard = make_scope_guard([]() {
961 fesetenv(FE_DFL_ENV);
963 fesetround(FE_TOWARDZERO); // roundf ignores the rounding mode and always rounds away from zero.
964 ASSERT_FLOAT_EQ(1.0f, roundf(0.5f));
965 ASSERT_FLOAT_EQ(-1.0f, roundf(-0.5f));
966 ASSERT_FLOAT_EQ(0.0f, roundf(0.0f));
967 ASSERT_FLOAT_EQ(-0.0f, roundf(-0.0f));
968 ASSERT_TRUE(isnanf(roundf(nanf(""))));
969 ASSERT_FLOAT_EQ(HUGE_VALF, roundf(HUGE_VALF));
973 auto guard = make_scope_guard([]() {
974 fesetenv(FE_DFL_ENV);
976 fesetround(FE_TOWARDZERO); // roundl ignores the rounding mode and always rounds away from zero.
977 ASSERT_DOUBLE_EQ(1.0L, roundl(0.5L));
978 ASSERT_DOUBLE_EQ(-1.0L, roundl(-0.5L));
979 ASSERT_DOUBLE_EQ(0.0L, roundl(0.0L));
980 ASSERT_DOUBLE_EQ(-0.0L, roundl(-0.0L));
981 ASSERT_TRUE(isnan(roundl(nanl(""))));
982 ASSERT_DOUBLE_EQ(HUGE_VALL, roundl(HUGE_VALL));
986 auto guard = make_scope_guard([]() {
987 fesetenv(FE_DFL_ENV);
989 fesetround(FE_UPWARD); // trunc ignores the rounding mode and always rounds toward zero.
990 ASSERT_DOUBLE_EQ(1.0, trunc(1.5));
991 ASSERT_DOUBLE_EQ(-1.0, trunc(-1.5));
992 ASSERT_DOUBLE_EQ(0.0, trunc(0.0));
993 ASSERT_DOUBLE_EQ(-0.0, trunc(-0.0));
994 ASSERT_TRUE(isnan(trunc(nan(""))));
995 ASSERT_DOUBLE_EQ(HUGE_VAL, trunc(HUGE_VAL));
999 auto guard = make_scope_guard([]() {
1000 fesetenv(FE_DFL_ENV);
1002 fesetround(FE_UPWARD); // truncf ignores the rounding mode and always rounds toward zero.
1003 ASSERT_FLOAT_EQ(1.0f, truncf(1.5f));
1004 ASSERT_FLOAT_EQ(-1.0f, truncf(-1.5f));
1005 ASSERT_FLOAT_EQ(0.0f, truncf(0.0f));
1006 ASSERT_FLOAT_EQ(-0.0f, truncf(-0.0f));
1007 ASSERT_TRUE(isnan(truncf(nanf(""))));
1008 ASSERT_FLOAT_EQ(HUGE_VALF, truncf(HUGE_VALF));
1011 TEST(math, truncl) {
1012 auto guard = make_scope_guard([]() {
1013 fesetenv(FE_DFL_ENV);
1015 fesetround(FE_UPWARD); // truncl ignores the rounding mode and always rounds toward zero.
1016 ASSERT_DOUBLE_EQ(1.0L, truncl(1.5L));
1017 ASSERT_DOUBLE_EQ(-1.0L, truncl(-1.5L));
1018 ASSERT_DOUBLE_EQ(0.0L, truncl(0.0L));
1019 ASSERT_DOUBLE_EQ(-0.0L, truncl(-0.0L));
1020 ASSERT_TRUE(isnan(truncl(nan(""))));
1021 ASSERT_DOUBLE_EQ(HUGE_VALL, truncl(HUGE_VALL));
1024 TEST(math, nextafter) {
1025 ASSERT_DOUBLE_EQ(0.0, nextafter(0.0, 0.0));
1026 ASSERT_DOUBLE_EQ(4.9406564584124654e-324, nextafter(0.0, 1.0));
1027 ASSERT_DOUBLE_EQ(-4.9406564584124654e-324, nextafter(0.0, -1.0));
1030 TEST(math, nextafterf) {
1031 ASSERT_FLOAT_EQ(0.0f, nextafterf(0.0f, 0.0f));
1032 ASSERT_FLOAT_EQ(1.4012985e-45f, nextafterf(0.0f, 1.0f));
1033 ASSERT_FLOAT_EQ(-1.4012985e-45f, nextafterf(0.0f, -1.0f));
1036 TEST(math, nextafterl) {
1037 ASSERT_DOUBLE_EQ(0.0L, nextafterl(0.0L, 0.0L));
1038 // Use a runtime value to accomodate the case when
1039 // sizeof(double) == sizeof(long double)
1040 long double smallest_positive = ldexpl(1.0L, LDBL_MIN_EXP - LDBL_MANT_DIG);
1041 ASSERT_DOUBLE_EQ(smallest_positive, nextafterl(0.0L, 1.0L));
1042 ASSERT_DOUBLE_EQ(-smallest_positive, nextafterl(0.0L, -1.0L));
1045 TEST(math, nexttoward) {
1046 ASSERT_DOUBLE_EQ(0.0, nexttoward(0.0, 0.0L));
1047 ASSERT_DOUBLE_EQ(4.9406564584124654e-324, nexttoward(0.0, 1.0L));
1048 ASSERT_DOUBLE_EQ(-4.9406564584124654e-324, nexttoward(0.0, -1.0L));
1051 TEST(math, nexttowardf) {
1052 ASSERT_FLOAT_EQ(0.0f, nexttowardf(0.0f, 0.0L));
1053 ASSERT_FLOAT_EQ(1.4012985e-45f, nexttowardf(0.0f, 1.0L));
1054 ASSERT_FLOAT_EQ(-1.4012985e-45f, nexttowardf(0.0f, -1.0L));
1057 TEST(math, nexttowardl) {
1058 ASSERT_DOUBLE_EQ(0.0L, nexttowardl(0.0L, 0.0L));
1059 // Use a runtime value to accomodate the case when
1060 // sizeof(double) == sizeof(long double)
1061 long double smallest_positive = ldexpl(1.0L, LDBL_MIN_EXP - LDBL_MANT_DIG);
1062 ASSERT_DOUBLE_EQ(smallest_positive, nexttowardl(0.0L, 1.0L));
1063 ASSERT_DOUBLE_EQ(-smallest_positive, nexttowardl(0.0L, -1.0L));
1066 TEST(math, copysign) {
1067 ASSERT_DOUBLE_EQ(0.0, copysign(0.0, 1.0));
1068 ASSERT_DOUBLE_EQ(-0.0, copysign(0.0, -1.0));
1069 ASSERT_DOUBLE_EQ(2.0, copysign(2.0, 1.0));
1070 ASSERT_DOUBLE_EQ(-2.0, copysign(2.0, -1.0));
1073 TEST(math, copysignf) {
1074 ASSERT_FLOAT_EQ(0.0f, copysignf(0.0f, 1.0f));
1075 ASSERT_FLOAT_EQ(-0.0f, copysignf(0.0f, -1.0f));
1076 ASSERT_FLOAT_EQ(2.0f, copysignf(2.0f, 1.0f));
1077 ASSERT_FLOAT_EQ(-2.0f, copysignf(2.0f, -1.0f));
1080 TEST(math, copysignl) {
1081 ASSERT_DOUBLE_EQ(0.0L, copysignl(0.0L, 1.0L));
1082 ASSERT_DOUBLE_EQ(-0.0L, copysignl(0.0L, -1.0L));
1083 ASSERT_DOUBLE_EQ(2.0L, copysignl(2.0L, 1.0L));
1084 ASSERT_DOUBLE_EQ(-2.0L, copysignl(2.0L, -1.0L));
1087 TEST(math, significand) {
1088 ASSERT_DOUBLE_EQ(0.0, significand(0.0));
1089 ASSERT_DOUBLE_EQ(1.2, significand(1.2));
1090 ASSERT_DOUBLE_EQ(1.53125, significand(12.25));
1093 TEST(math, significandf) {
1094 ASSERT_FLOAT_EQ(0.0f, significandf(0.0f));
1095 ASSERT_FLOAT_EQ(1.2f, significandf(1.2f));
1096 ASSERT_FLOAT_EQ(1.53125f, significandf(12.25f));
1099 TEST(math, significandl) {
1100 ASSERT_DOUBLE_EQ(0.0L, significandl(0.0L));
1101 ASSERT_DOUBLE_EQ(1.2L, significandl(1.2L));
1102 ASSERT_DOUBLE_EQ(1.53125L, significandl(12.25L));
1106 ASSERT_DOUBLE_EQ(12.0, scalb(3.0, 2.0));
1109 TEST(math, scalbf) {
1110 ASSERT_FLOAT_EQ(12.0f, scalbf(3.0f, 2.0f));
1113 TEST(math, scalbln) {
1114 ASSERT_DOUBLE_EQ(12.0, scalbln(3.0, 2L));
1117 TEST(math, scalblnf) {
1118 ASSERT_FLOAT_EQ(12.0f, scalblnf(3.0f, 2L));
1121 TEST(math, scalblnl) {
1122 ASSERT_DOUBLE_EQ(12.0L, scalblnl(3.0L, 2L));
1125 TEST(math, scalbn) {
1126 ASSERT_DOUBLE_EQ(12.0, scalbn(3.0, 2));
1129 TEST(math, scalbnf) {
1130 ASSERT_FLOAT_EQ(12.0f, scalbnf(3.0f, 2));
1133 TEST(math, scalbnl) {
1134 ASSERT_DOUBLE_EQ(12.0L, scalbnl(3.0L, 2));
1138 ASSERT_DOUBLE_EQ(log(24.0), gamma(5.0));
1141 TEST(math, gammaf) {
1142 ASSERT_FLOAT_EQ(logf(24.0f), gammaf(5.0f));
1145 TEST(math, gamma_r) {
1146 #if defined(__BIONIC__)
1148 ASSERT_DOUBLE_EQ(log(24.0), gamma_r(5.0, &sign));
1151 GTEST_LOG_(INFO) << "glibc doesn't have gamma_r.\n";
1152 #endif // __BIONIC__
1155 TEST(math, gammaf_r) {
1156 #if defined(__BIONIC__)
1158 ASSERT_FLOAT_EQ(logf(24.0f), gammaf_r(5.0f, &sign));
1161 GTEST_LOG_(INFO) << "glibc doesn't have gammaf_r.\n";
1162 #endif // __BIONIC__
1165 TEST(math, lgamma) {
1166 ASSERT_DOUBLE_EQ(log(24.0), lgamma(5.0));
1169 TEST(math, lgammaf) {
1170 ASSERT_FLOAT_EQ(logf(24.0f), lgammaf(5.0f));
1173 TEST(math, lgammal) {
1174 ASSERT_DOUBLE_EQ(logl(24.0L), lgammal(5.0L));
1177 TEST(math, lgamma_r) {
1179 ASSERT_DOUBLE_EQ(log(24.0), lgamma_r(5.0, &sign));
1183 TEST(math, lgamma_r_17471883) {
1187 ASSERT_DOUBLE_EQ(HUGE_VAL, lgamma_r(0.0, &sign));
1190 ASSERT_DOUBLE_EQ(HUGE_VAL, lgamma_r(-0.0, &sign));
1191 ASSERT_EQ(-1, sign);
1194 TEST(math, lgammaf_r) {
1196 ASSERT_FLOAT_EQ(logf(24.0f), lgammaf_r(5.0f, &sign));
1200 TEST(math, lgammaf_r_17471883) {
1204 ASSERT_FLOAT_EQ(HUGE_VALF, lgammaf_r(0.0f, &sign));
1207 ASSERT_FLOAT_EQ(HUGE_VALF, lgammaf_r(-0.0f, &sign));
1208 ASSERT_EQ(-1, sign);
1211 TEST(math, lgammal_r) {
1213 ASSERT_DOUBLE_EQ(log(24.0L), lgamma_r(5.0L, &sign));
1217 TEST(math, lgammal_r_17471883) {
1221 ASSERT_DOUBLE_EQ(HUGE_VAL, lgammal_r(0.0L, &sign));
1224 ASSERT_DOUBLE_EQ(HUGE_VAL, lgammal_r(-0.0L, &sign));
1225 ASSERT_EQ(-1, sign);
1228 TEST(math, tgamma) {
1229 ASSERT_DOUBLE_EQ(24.0, tgamma(5.0));
1232 TEST(math, tgammaf) {
1233 ASSERT_FLOAT_EQ(24.0f, tgammaf(5.0f));
1236 TEST(math, tgammal) {
1237 ASSERT_DOUBLE_EQ(24.0L, tgammal(5.0L));
1241 ASSERT_DOUBLE_EQ(1.0, j0(0.0));
1242 ASSERT_DOUBLE_EQ(0.76519768655796661, j0(1.0));
1246 ASSERT_FLOAT_EQ(1.0f, j0f(0.0f));
1247 ASSERT_FLOAT_EQ(0.76519769f, j0f(1.0f));
1251 ASSERT_DOUBLE_EQ(0.0, j1(0.0));
1252 ASSERT_DOUBLE_EQ(0.44005058574493355, j1(1.0));
1256 ASSERT_FLOAT_EQ(0.0f, j1f(0.0f));
1257 ASSERT_FLOAT_EQ(0.44005057f, j1f(1.0f));
1261 ASSERT_DOUBLE_EQ(0.0, jn(4, 0.0));
1262 ASSERT_DOUBLE_EQ(0.0024766389641099553, jn(4, 1.0));
1266 ASSERT_FLOAT_EQ(0.0f, jnf(4, 0.0f));
1267 ASSERT_FLOAT_EQ(0.0024766389f, jnf(4, 1.0f));
1271 ASSERT_DOUBLE_EQ(-HUGE_VAL, y0(0.0));
1272 ASSERT_DOUBLE_EQ(0.08825696421567697, y0(1.0));
1276 ASSERT_FLOAT_EQ(-HUGE_VALF, y0f(0.0f));
1277 ASSERT_FLOAT_EQ(0.088256963f, y0f(1.0f));
1281 ASSERT_DOUBLE_EQ(-HUGE_VAL, y1(0.0));
1282 ASSERT_DOUBLE_EQ(-0.78121282130028868, y1(1.0));
1286 ASSERT_FLOAT_EQ(-HUGE_VALF, y1f(0.0f));
1287 ASSERT_FLOAT_EQ(-0.78121281f, y1f(1.0f));
1291 ASSERT_DOUBLE_EQ(-HUGE_VAL, yn(4, 0.0));
1292 ASSERT_DOUBLE_EQ(-33.278423028972114, yn(4, 1.0));
1296 ASSERT_FLOAT_EQ(-HUGE_VALF, ynf(4, 0.0f));
1297 ASSERT_FLOAT_EQ(-33.278423f, ynf(4, 1.0f));
1302 double dr = frexp(1024.0, &exp);
1303 ASSERT_DOUBLE_EQ(1024.0, scalbn(dr, exp));
1306 TEST(math, frexpf) {
1308 float fr = frexpf(1024.0f, &exp);
1309 ASSERT_FLOAT_EQ(1024.0f, scalbnf(fr, exp));
1312 TEST(math, frexpl) {
1314 long double ldr = frexpl(1024.0L, &exp);
1315 ASSERT_DOUBLE_EQ(1024.0L, scalbnl(ldr, exp));
1320 double df = modf(123.75, &di);
1321 ASSERT_DOUBLE_EQ(123.0, di);
1322 ASSERT_DOUBLE_EQ(0.75, df);
1327 float ff = modff(123.75f, &fi);
1328 ASSERT_FLOAT_EQ(123.0f, fi);
1329 ASSERT_FLOAT_EQ(0.75f, ff);
1334 long double ldf = modfl(123.75L, &ldi);
1335 ASSERT_DOUBLE_EQ(123.0L, ldi);
1336 ASSERT_DOUBLE_EQ(0.75L, ldf);
1339 TEST(math, remquo) {
1341 double d = remquo(13.0, 4.0, &q);
1343 ASSERT_DOUBLE_EQ(1.0, d);
1346 TEST(math, remquof) {
1348 float f = remquof(13.0f, 4.0f, &q);
1350 ASSERT_FLOAT_EQ(1.0, f);
1353 TEST(math, remquol) {
1355 long double ld = remquol(13.0L, 4.0L, &q);
1356 ASSERT_DOUBLE_EQ(3L, q);
1357 ASSERT_DOUBLE_EQ(1.0L, ld);
1360 // https://code.google.com/p/android/issues/detail?id=6697
1361 TEST(math, frexpf_public_bug_6697) {
1363 float fr = frexpf(14.1f, &exp);
1364 ASSERT_FLOAT_EQ(14.1f, scalbnf(fr, exp));
1367 TEST(math, exp2_STRICT_ALIGN_OpenBSD_bug) {
1368 // OpenBSD/x86's libm had a bug here, but it was already fixed in FreeBSD:
1369 // http://svnweb.FreeBSD.org/base/head/lib/msun/src/math_private.h?revision=240827&view=markup
1370 ASSERT_DOUBLE_EQ(5.0, exp2(log2(5)));
1371 ASSERT_FLOAT_EQ(5.0f, exp2f(log2f(5)));
1372 ASSERT_DOUBLE_EQ(5.0L, exp2l(log2l(5)));
1375 TEST(math, nextafterl_OpenBSD_bug) {
1376 // OpenBSD/x86's libm had a bug here.
1377 ASSERT_TRUE(nextafter(1.0, 0.0) - 1.0 < 0.0);
1378 ASSERT_TRUE(nextafterf(1.0f, 0.0f) - 1.0f < 0.0f);
1379 ASSERT_TRUE(nextafterl(1.0L, 0.0L) - 1.0L < 0.0L);
1382 #include "math_cos_intel_data.h"
1383 TEST(math, cos_intel) {
1384 DoMathDataTest<1>(g_cos_intel_data, cos);
1387 #include "math_cosf_intel_data.h"
1388 TEST(math, cosf_intel) {
1389 DoMathDataTest<1>(g_cosf_intel_data, cosf);
1392 #include "math_exp_intel_data.h"
1393 TEST(math, exp_intel) {
1394 DoMathDataTest<1>(g_exp_intel_data, exp);
1397 #include "math_expf_intel_data.h"
1398 TEST(math, expf_intel) {
1399 DoMathDataTest<1>(g_expf_intel_data, expf);
1402 #include "math_log_intel_data.h"
1403 TEST(math, log_intel) {
1404 DoMathDataTest<1>(g_log_intel_data, log);
1407 #include "math_logf_intel_data.h"
1408 TEST(math, logf_intel) {
1409 DoMathDataTest<1>(g_logf_intel_data, logf);
1412 #include "math_pow_intel_data.h"
1413 TEST(math, pow_intel) {
1414 DoMathDataTest<1>(g_pow_intel_data, pow);
1417 #include "math_powf_intel_data.h"
1418 TEST(math, powf_intel) {
1419 DoMathDataTest<1>(g_powf_intel_data, powf);
1422 #include "math_sin_intel_data.h"
1423 TEST(math, sin_intel) {
1424 DoMathDataTest<1>(g_sin_intel_data, sin);
1427 #include "math_sincos_intel_data.h"
1428 TEST(math, sincos_intel) {
1429 DoMathDataTest<1>(g_sincos_intel_data, sincos);
1432 #include "math_sincosf_intel_data.h"
1433 TEST(math, sincosf_intel) {
1434 DoMathDataTest<1>(g_sincosf_intel_data, sincosf);
1437 #include "math_sinf_intel_data.h"
1438 TEST(math, sinf_intel) {
1439 DoMathDataTest<1>(g_sinf_intel_data, sinf);
1442 #include "math_tan_intel_data.h"
1443 TEST(math, tan_intel) {
1444 DoMathDataTest<1>(g_tan_intel_data, tan);
1447 #include "math_tanf_intel_data.h"
1448 TEST(math, tanf_intel) {
1449 DoMathDataTest<1>(g_tanf_intel_data, tanf);