ReactOS 0.4.16-dev-1537-g4e425b5
log10.c
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1/*
2 * PROJECT: ReactOS API tests
3 * LICENSE: MIT (https://spdx.org/licenses/MIT)
4 * PURPOSE: Tests for log10
5 * COPYRIGHT: Copyright 2021 Timo Kreuzer <timo.kreuzer@reactos.org>
6 */
7
8#if !defined(_CRTBLD) && !defined(_M_IX86)
9#define _CRTBLD // we don't want inline log10!
10#endif
11#include "math_helpers.h"
12
13#ifdef _MSC_VER
14#pragma function(log10)
15#endif
16
17#if !defined(_M_IX86)
18#define HAS_LOG10F
19#elif (defined(TEST_UCRTBASE) || defined(TEST_STATIC_CRT))
20#define HAS_LIBM_SSE2
21#endif
22
23
24// These are expected to match exactly
25static TESTENTRY_DBL s_log10_exact_tests[] =
26{
27 { 0x0000000000000000 /* 0.000000 */, 0xfff0000000000000 /* -1.#INF00 */ },
28 { 0x8000000000000000 /* -0.000000 */, 0xfff0000000000000 /* -1.#INF00 */ },
29 { 0x7ff0000000000000 /* 1.#INF00 */, 0x7ff0000000000000 /* 1.#INF00 */ },
30 { 0x7ff0000000000001 /* 1.#SNAN0 */, 0x7ff8000000000001 /* 1.#QNAN0 */ },
31 { 0x7ff7ffffffffffff /* 1.#SNAN0 */, 0x7fffffffffffffff /* 1.#QNAN0 */ },
32 { 0x7ff8000000000000 /* 1.#QNAN0 */, 0x7ff8000000000000 /* 1.#QNAN0 */ },
33 { 0x7ff8000000000001 /* 1.#QNAN0 */, 0x7ff8000000000001 /* 1.#QNAN0 */ },
34 { 0x7fffffffffffffff /* 1.#QNAN0 */, 0x7fffffffffffffff /* 1.#QNAN0 */ },
35 { 0xfff0000000000000 /* -1.#INF00 */, 0xfff8000000000000 /* -1.#IND00 */ },
36 { 0xfff0000000000001 /* -1.#SNAN0 */, 0xfff8000000000001 /* -1.#QNAN0 */ },
37 { 0xfff7ffffffffffff /* -1.#SNAN0 */, 0xffffffffffffffff /* -1.#QNAN0 */ },
38 { 0xfff8000000000000 /* -1.#IND00 */, 0xfff8000000000000 /* -1.#IND00 */ },
39 { 0xfff8000000000001 /* -1.#QNAN0 */, 0xfff8000000000001 /* -1.#QNAN0 */ },
40 { 0xffffffffffffffff /* -1.#QNAN0 */, 0xffffffffffffffff /* -1.#QNAN0 */ },
41};
42
43void Test_log10_exact(void)
44{
45 for (int i = 0; i < _countof(s_log10_exact_tests); i++)
46 {
47 double x = u64_to_dbl(s_log10_exact_tests[i].x);
48 double z = log10(x);
49 ok_eq_dbl_exact("log10", s_log10_exact_tests[i].x, z, s_log10_exact_tests[i].result);
50 }
51}
52
53// This table is autogenerated by `python gen_math_tests.py log10`
54static TESTENTRY_DBL_APPROX s_log10_approx_tests[] =
55{
56// { x, { y_rounded, y_difference } }
57 { 0x0.0p+0, { -INFINITY, 0x0.0p+0 }, 1 }, // log(0.0) == -inf
58 { 0x1.0000000000000p-54, { -0x1.041704c068eefp+4, -0x1.d17237c752536p-52 }, 1 }, // log10(5.551115123125783e-17) == -16.255619765854984542
59 { 0x1.0000000000000p-53, { -0x1.fe8bffd88220ep+3, -0x1.0a56ddbe42798p-51 }, 1 }, // log10(1.1102230246251565e-16) == -15.954589770191003346
60 { 0x1.8000000000000p-53, { -0x1.f8e975b5a9f2ep+3, -0x1.47a0bb7b34258p-51 }, 1 }, // log10(1.6653345369377348e-16) == -15.778498511135322104
61 { 0x1.0000000000000p-52, { -0x1.f4e9f6303263ep+3, -0x1.2bf49f98dbc95p-51 }, 1 }, // log10(2.220446049250313e-16) == -15.653559774527022151
62 { 0x1.0000000000000p-52, { -0x1.f4e9f6303263ep+3, -0x1.2bf49f98dbc95p-51 }, 1 }, // log10(2.220446049250313e-16) == -15.653559774527022151
63 { 0x1.fae147ae147b4p-3, { -0x1.367d4f9ae1922p-1, -0x1.af855331d7859p-56 }, 1 }, // log10(0.24750000000000016) == -0.60642479673041218676
64 { 0x1.fae147ae147b0p-2, { -0x1.38b96a2bcb849p-2, 0x1.31516a2d33a18p-60 }, 1 }, // log10(0.4950000000000001) == -0.30539480106643118636
65 { 0x1.7c28f5c28f5c3p-1, { -0x1.08d04ba18b898p-3, -0x1.102c5263181e2p-58 }, 1 }, // log10(0.7425) == -0.12930354201075000922
66 { 0x1.fae147ae147aep-1, { -0x1.1e0d4874f92f2p-8, -0x1.5e74871b18f79p-62 }, 1 }, // log10(0.99) == -0.004364805402450088556
67 { 0x1.0000000000000p+0, { 0x0.0p+0, 0x0.0p+0 }, 1 }, // log10(1.0) == 0.0
68 { 0x1.9cccccccccccdp+1, { 0x1.045e01e00d2ebp-1, -0x1.796443a47d512p-55 }, 1 }, // log10(3.225) == 0.50852971897128658523
69 { 0x1.5cccccccccccdp+2, { 0x1.7908f65c557cfp-1, 0x1.0d7df3076a7fdp-56 }, 1 }, // log10(5.45) == 0.73639650227664245414
70 { 0x1.eb33333333334p+2, { 0x1.c528fe74a287dp-1, 0x1.a410b65224725p-58 }, 1 }, // log10(7.675000000000001) == 0.88507838414922413453
71 { 0x1.3cccccccccccdp+3, { 0x1.fdc3e56f160dap-1, 0x1.20f228496591ap-55 }, 1 }, // log10(9.9) == 0.99563519459754993093
72 { 0x1.4000000000000p+3, { 0x1.0000000000000p+0, 0x0.0p+0 }, 1 }, // log10(10.0) == 1.0
73 { 0x1.03ccccccccccdp+5, { 0x1.82f4e2bf66bdfp+0, 0x1.6d8b05439f637p-54 }, 1 }, // log10(32.475) == 1.5115491597450655086
74 { 0x1.b79999999999ap+5, { 0x1.bd6e85e1adb4bp+0, -0x1.3cdef74d0afd1p-54 }, 1 }, // log10(54.95) == 1.7399676967595093947
75 { 0x1.35b3333333334p+6, { 0x1.e38db82048570p+0, -0x1.1cfbf3bb4f3afp-55 }, 1 }, // log10(77.42500000000001) == 1.8888812140288244425
76 { 0x1.8f9999999999ap+6, { 0x1.ffe3861a240fep+0, -0x1.ce61059d0cd29p-57 }, 1 }, // log10(99.9) == 1.9995654882259823334
77 { 0x1.9000000000000p+6, { 0x1.0000000000000p+1, 0x0.0p+0 }, 1 }, // log10(100.0) == 2.0
78 { 0x1.44f999999999ap+8, { 0x1.41844c9b1087ep+1, 0x1.e9820ed2bd55ap-53 }, 1 }, // log10(324.975) == 2.5118499524260748848
79 { 0x1.12f999999999ap+9, { 0x1.5ec2e92bf1419p+1, 0x1.8bacaab4bb7c9p-53 }, 1 }, // log10(549.95) == 2.7403232063829931537
80 { 0x1.8376666666666p+9, { 0x1.71d342cc6400ep+1, 0x1.f6d7fe2385e25p-53 }, 1 }, // log10(774.925) == 2.889259671974293338
81 { 0x1.f3f3333333333p+9, { 0x1.7ffe93ab4e811p+1, 0x1.8268646d6e9b2p-53 }, 1 }, // log10(999.9) == 2.9999565683801924797
82 { 0x1.f400000000000p+9, { 0x1.8000000000000p+1, 0x0.0p+0 }, 1 }, // log10(1000.0) == 3.0
83 { 0x1.963f333333333p+11, { 0x1.c18548d533a15p+1, -0x1.e3ec706c8ae0dp-56 }, 1 }, // log10(3249.975) == 3.5118800202392414804
84 { 0x1.57bf333333333p+12, { 0x1.dec41342b1052p+1, 0x1.51b4aceb3c9a6p-55 }, 1 }, // log10(5499.95) == 3.7403587413446440035
85 { 0x1.e45ecccccccccp+12, { 0x1.f1d4801ead08dp+1, -0x1.d95ccf4d98006p-56 }, 1 }, // log10(7749.924999999999) == 3.889297499636148877
86 { 0x1.387f333333333p+13, { 0x1.ffffdb918ce60p+1, 0x1.582eb6532b2f4p-55 }, 1 }, // log10(9999.9) == 3.9999956570334660828
87 { 0x1.3880000000000p+13, { 0x1.0000000000000p+2, 0x0.0p+0 }, 1 }, // log10(10000.0) == 4.0
88 { 0x1.fbcfe66666666p+14, { 0x1.20c2b106fc196p+2, -0x1.d07276054afefp-53 }, 1 }, // log10(32499.975) == 4.5118830269060674827
89 { 0x1.adafe66666666p+15, { 0x1.2f621888b6248p+2, -0x1.ee91317318d08p-52 }, 1 }, // log10(54999.95) == 4.7403622946808989953
90 { 0x1.2ebbeccccccccp+16, { 0x1.38ea4fecdb8eep+2, 0x1.aeff29ed9ce4bp-58 }, 1 }, // log10(77499.92499999999) == 4.8893012822211243732
91 { 0x1.869fe66666666p+16, { 0x1.3ffffe2dadfb7p+2, -0x1.dac48afd82008p-53 }, 1 }, // log10(99999.9) == 4.9999995657053009241
92 { 0x1.86a0000000000p+16, { 0x1.4000000000000p+2, 0x0.0p+0 }, 1 }, // log10(100000.0) == 5.0
93 { 0x1.3d61fe6666666p+18, { 0x1.60c2b249d269bp+2, -0x1.2bfb443be7da5p-52 }, 1 }, // log10(324999.975) == 5.5118833275716052241
94 { 0x1.0c8dfe6666666p+19, { 0x1.6f621a063f10fp+2, 0x1.021f0c76aa49fp-55 }, 1 }, // log10(549999.95) == 5.7403626500129254775
95 { 0x1.7a6afd999999ap+19, { 0x1.78ea518301f6dp+2, 0x1.3a8f2e084550ep-53 }, 1 }, // log10(774999.925) == 5.889301660477810033
96 { 0x1.e847fcccccccdp+19, { 0x1.7fffffd15e342p+2, -0x1.aedb5baa85663p-54 }, 1 }, // log10(999999.9) == 5.9999999565705496483
97};
98
99void Test_log10_approx(void)
100{
101 for (int i = 0; i < _countof(s_log10_approx_tests); i++)
102 {
103 double x = s_log10_approx_tests[i].x;
104 double expected = s_log10_approx_tests[i].expected.rounded;
105 double z = log10(x);
106 int64_t error = abs(ulp_error_precise(&s_log10_approx_tests[i].expected, z));
107 ok(error <= s_log10_approx_tests[i].max_error,
108 "log10(%.17e) = %.17e, expected %.17e, error %I64d ULPs, max %u ULPs\n",
109 x, z, expected, error, s_log10_approx_tests[i].max_error);
110 }
111}
112
113#if defined(HAS_LOG10F)
114
115// These are expected to match exactly
116static TESTENTRY_DBL s_log10f_exact_tests[] =
117{
118 { 0x00000000 /* 0.000000 */, 0xff800000 /* -1.#IND00 */ },
119 { 0x80000000 /* -0.000000 */, 0xff800000 /* -1.#IND00 */ },
120 { 0x7f800000 /* 1.#INF00 */, 0xff800000 /* -1.#IND00 */ },
121 { 0x7f800001 /* 1.#SNAN0 */, 0xff800000 /* -1.#IND00 */ },
122 { 0x7fBFffff /* 1.#SNAN0 */, 0xff800000 /* -1.#IND00 */ },
123 { 0x7fC00000 /* 1.#QNAN0 */, 0xff800000 /* -1.#IND00 */ },
124 { 0x7fC80001 /* 1.#QNAN0 */, 0xff800000 /* -1.#IND00 */ },
125 { 0x7fFfffff /* 1.#QNAN0 */, 0xff800000 /* -1.#IND00 */ },
126 { 0xff800000 /* -1.#INF00 */, 0xff800000 /* -1.#IND00 */ },
127 { 0xff800001 /* -1.#SNAN0 */, 0xff800000 /* -1.#IND00 */ },
128 { 0xffBfffff /* -1.#SNAN0 */, 0xff800000 /* -1.#IND00 */ },
129 { 0xffC00000 /* -1.#IND00 */, 0xff800000 /* -1.#IND00 */ },
130 { 0xfff80001 /* -1.#QNAN0 */, 0xff800000 /* -1.#IND00 */ },
131 { 0xffffffff /* -1.#QNAN0 */, 0xff800000 /* -1.#IND00 */ },
132};
133
134void Test_log10f_exact(void)
135{
136 for (int i = 0; i < _countof(s_log10f_exact_tests); i++)
137 {
138 float x = u64_to_dbl(s_log10f_exact_tests[i].x);
139 float z = log10f(x);
140 ok_eq_flt_exact("log10f", s_log10f_exact_tests[i].x, z, s_log10f_exact_tests[i].result);
141 }
142}
143
144#endif // defined(HAS_LOG10F)
145
146#if defined(HAS_LOG10F) || defined(HAS_LIBM_SSE2)
147
148static TESTENTRY_DBL_APPROX s_log10f_approx_tests[] =
149{
150// { x, { y_rounded, y_difference } }
151 { 0x0.0p+0, { -INFINITY, 0x0.0p+0 }, 1 }, // logf(0.0) == -inf
152 { 0x1.0000000000000p-54, { -0x1.041704c068eefp+4, -0x1.d17237c752536p-52 }, 1 }, // log10f(5.551115123125783e-17) == -16.255619765854984542
153 { 0x1.0000000000000p-53, { -0x1.fe8bffd88220ep+3, -0x1.0a56ddbe42798p-51 }, 1 }, // log10f(1.1102230246251565e-16) == -15.954589770191003346
154 { 0x1.8000000000000p-53, { -0x1.f8e975b5a9f2ep+3, -0x1.47a0bb7b34258p-51 }, 1 }, // log10f(1.6653345369377348e-16) == -15.778498511135322104
155 { 0x1.0000000000000p-52, { -0x1.f4e9f6303263ep+3, -0x1.2bf49f98dbc95p-51 }, 1 }, // log10f(2.220446049250313e-16) == -15.653559774527022151
156 { 0x1.0000000000000p-52, { -0x1.f4e9f6303263ep+3, -0x1.2bf49f98dbc95p-51 }, 1 }, // log10f(2.220446049250313e-16) == -15.653559774527022151
157 { 0x1.fae1480000000p-3, { -0x1.367d4f76f1c21p-1, 0x1.39407b2675a98p-55 }, 1 }, // log10f(0.2475000023841858) == -0.60642479254682165536
158 { 0x1.fae1480000000p-2, { -0x1.38b969e3ebe42p-2, -0x1.c13745063ea74p-56 }, 1 }, // log10f(0.4950000047683716) == -0.30539479688284046014
159 { 0x1.7c28f60000000p-1, { -0x1.08d04b11cc489p-3, 0x1.2b1a06b717b31p-57 }, 1 }, // log10f(0.7425000071525574) == -0.12930353782715921806
160 { 0x1.fae1480000000p-1, { -0x1.1e0d367d110dfp-8, -0x1.3be0165a28612p-62 }, 1 }, // log10f(0.9900000095367432) == -0.0043648012188592649305
161 { 0x1.0000000000000p+0, { 0x0.0p+0, 0x0.0p+0 }, 1 }, // log10f(1.0) == 0.0
162 { 0x1.9ccccc0000000p+1, { 0x1.045e0171bbe4dp-1, -0x1.0573bd9148ad2p-55 }, 1 }, // log10f(3.2249999046325684) == 0.50852970612863543306
163 { 0x1.5ccccc0000000p+2, { 0x1.7908f5d9c64fcp-1, 0x1.ab1f7f7cb932bp-55 }, 1 }, // log10f(5.449999809265137) == 0.73639648707754150804
164 { 0x1.eb33340000000p+2, { 0x1.c528fed158404p-1, 0x1.e8799c9e91e21p-55 }, 1 }, // log10f(7.675000190734863) == 0.8850783949420706872
165 { 0x1.3ccccc0000000p+3, { 0x1.fdc3e4df56cc6p-1, 0x1.d6269bf6a3dbfp-58 }, 1 }, // log10f(9.899999618530273) == 0.99563517786318623341
166 { 0x1.4000000000000p+3, { 0x1.0000000000000p+0, 0x0.0p+0 }, 1 }, // log10f(10.0) == 1.0
167 { 0x1.03cccc0000000p+5, { 0x1.82f4e267c23eap+0, 0x1.254e66dd840e4p-54 }, 1 }, // log10f(32.474998474121094) == 1.5115491393391900591
168 { 0x1.b7999a0000000p+5, { 0x1.bd6e85fb93994p+0, -0x1.40002f211d53ep-55 }, 1 }, // log10f(54.95000076293945) == 1.7399677027893618239
169 { 0x1.35b3340000000p+6, { 0x1.e38db869cdc91p+0, 0x1.808cc14d0d232p-54 }, 1 }, // log10f(77.42500305175781) == 1.8888812311468295703
170 { 0x1.8f999a0000000p+6, { 0x1.ffe38636a19bap+0, -0x1.f1ebee0c7da99p-54 }, 1 }, // log10f(99.9000015258789) == 1.9995654948594235897
171 { 0x1.9000000000000p+6, { 0x1.0000000000000p+1, 0x0.0p+0 }, 1 }, // log10f(100.0) == 2.0
172 { 0x1.44f99a0000000p+8, { 0x1.41844cac94b93p+1, -0x1.6a2bdd2b6f0acp-54 }, 1 }, // log10f(324.9750061035156) == 2.5118499605827734658
173 { 0x1.12f99a0000000p+9, { 0x1.5ec2e940a4d4ap+1, -0x1.0adc66eb93085p-53 }, 1 }, // log10f(549.9500122070312) == 2.7403232160228626577
174 { 0x1.8376660000000p+9, { 0x1.71d342bdb2fe4p+1, 0x1.a8a72c4b6a864p-55 }, 1 }, // log10f(774.9249877929688) == 2.8892596651330553675
175 { 0x1.f3f3340000000p+9, { 0x1.7ffe93c21416dp+1, -0x1.d45fc1cda5430p-53 }, 1 }, // log10f(999.9000244140625) == 2.9999565789841453801
176 { 0x1.f400000000000p+9, { 0x1.8000000000000p+1, 0x0.0p+0 }, 1 }, // log10f(1000.0) == 3.0
177 { 0x1.963f340000000p+11, { 0x1.c18548f139d76p+1, 0x1.f52ca2d5fbc37p-55 }, 1 }, // log10f(3249.97509765625) == 3.5118800332890556792
178 { 0x1.57bf340000000p+12, { 0x1.dec41363cfa53p+1, -0x1.ff13fb71e031bp-53 }, 1 }, // log10f(5499.9501953125) == 3.740358756767173221
179 { 0x1.e45ecc0000000p+12, { 0x1.f1d480072bf12p+1, 0x1.9d279c034298ep-54 }, 1 }, // log10f(7749.9248046875) == 3.8892974886911214413
180 { 0x1.387f340000000p+13, { 0x1.ffffdbb5fb650p+1, 0x1.5ad4069a247b3p-59 }, 1 }, // log10f(9999.900390625) == 3.9999956739982636146
181 { 0x1.3880000000000p+13, { 0x1.0000000000000p+2, 0x0.0p+0 }, 1 }, // log10f(10000.0) == 4.0
182 { 0x1.fbcfe60000000p+14, { 0x1.20c2b10161445p+2, -0x1.e2e44fb30b24fp-52 }, 1 }, // log10f(32499.974609375) == 4.5118830216861778556
183 { 0x1.adafe60000000p+15, { 0x1.2f621882166e7p+2, -0x1.ea0ac70988daep-52 }, 1 }, // log10f(54999.94921875) == 4.7403622885119376575
184 { 0x1.2ebbec0000000p+16, { 0x1.38ea4fda0ded1p+2, -0x1.f64fd88f2e155p-58 }, 1 }, // log10f(77499.921875) == 4.889301264709232868
185 { 0x1.869fe60000000p+16, { 0x1.3ffffe2664b32p+2, -0x1.d0caeeccbf02cp-53 }, 1 }, // log10f(99999.8984375) == 4.9999995589194428308
186 { 0x1.86a0000000000p+16, { 0x1.4000000000000p+2, 0x0.0p+0 }, 1 }, // log10f(100000.0) == 5.0
187 { 0x1.3d61fe0000000p+18, { 0x1.60c2b240daaecp+2, -0x1.17bafb99593c2p-57 }, 1 }, // log10f(324999.96875) == 5.5118833192197875727
188 { 0x1.0c8dfe0000000p+19, { 0x1.6f6219fba5ee3p+2, 0x1.227f4a8b4322fp-52 }, 1 }, // log10f(549999.9375) == 5.7403626401425953706
189 { 0x1.7a6afe0000000p+19, { 0x1.78ea518a876a5p+2, -0x1.0f08360f8c90fp-53 }, 1 }, // log10f(774999.9375) == 5.8893016674825603364
190 { 0x1.e847fc0000000p+19, { 0x1.7fffffc5b5c12p+2, -0x1.a3921eb92e9aep-52 }, 1 }, // log10f(999999.875) == 5.9999999457131863692
191};
192
193#endif // defined(HAS_LOG10F) || defined(HAS_LIBM_SSE2)
194
195#if defined(HAS_LOG10F)
196
197void Test_log10f_approx(void)
198{
199 for (int i = 0; i < _countof(s_log10f_approx_tests); i++)
200 {
201 float x = s_log10f_approx_tests[i].x;
202 float expected = s_log10f_approx_tests[i].expected.rounded;
203 float z = log10f(x);
204 int64_t error = abs(ulp_error_flt(expected, z));
205 ok(error <= s_log10_approx_tests[i].max_error,
206 "log10(%.6e) = %.7e, expected %.7e, error %I64d ULPs, max %u ULPs\n",
207 x, z, expected, error, s_log10_approx_tests[i].max_error);
208 }
209}
210
211#endif // defined(HAS_LOG10F)
212
213#if defined(HAS_LIBM_SSE2)
214
215__ATTRIBUTE_SSE2__ __m128d __libm_sse2_log10(__m128d Xmm0);
216
217__ATTRIBUTE_SSE2__
218void Test_libm_sse2_log10(void)
219{
220 int i;
221 for (i = 0; i < _countof(s_log10_approx_tests); i++)
222 {
223 double x = s_log10_approx_tests[i].x;
224 double expected = s_log10_approx_tests[i].expected.rounded;
225 __m128d xmm0 = _mm_set_sd(x);
226 __m128d xmm1 = __libm_sse2_log10(xmm0);
227 double z = _mm_cvtsd_f64(xmm1);
228 int64_t error = ulp_error_precise(&s_log10_approx_tests[i].expected, z);
229 ok(error <= s_log10_approx_tests[i].max_error,
230 "__libm_sse2_log10(%.17e) = %.17e, expected %.17e, error %I64d ULPs, max %u ULPs\n",
231 x, z, expected, error, s_log10_approx_tests[i].max_error);
232 }
233}
234
235__ATTRIBUTE_SSE2__ __m128 __libm_sse2_log10f(__m128 Xmm0);
236
237__ATTRIBUTE_SSE2__
238void Test_libm_sse2_log10f(void)
239{
240 int i;
241 for (i = 0; i < _countof(s_log10f_approx_tests); i++)
242 {
243 float x = s_log10f_approx_tests[i].x;
244 float expected = s_log10f_approx_tests[i].expected.rounded;
245 __m128 xmm0 = _mm_set_ps1(x);
246 __m128 xmm1 = __libm_sse2_log10f(xmm0);
247 float z = _mm_cvtss_f32(xmm1);
248 int64_t error = ulp_error_flt(expected, z);
249 ok(error <= s_log10f_approx_tests[i].max_error,
250 "__libm_sse2_log10f(%.6e) = %.7e, expected %.7e, error %I64d ULPs, max %u ULPs\n",
251 x, z, expected, error, s_log10f_approx_tests[i].max_error);
252 }
253}
254
255#endif // defined(HAS_LIBM_SSE2)
256
257START_TEST(log10)
258{
259 Test_log10_exact();
260 Test_log10_approx();
261#if defined(HAS_LOG10F)
262 Test_log10f_exact();
263 Test_log10f_approx();
264#endif
265#if defined(HAS_LIBM_SSE2)
266 Test_libm_sse2_log10();
267 Test_libm_sse2_log10f();
268#endif
269}
ok
#define ok(value,...)
Definition: atltest.h:57
START_TEST
#define START_TEST(x)
Definition: atltest.h:75
int64_t
INT64 int64_t
Definition: types.h:72
_mm_set_sd
__m128d _mm_set_sd(double w)
Definition: emmintrin.h:1037
_mm_cvtsd_f64
double _mm_cvtsd_f64(__m128d a)
Definition: emmintrin.h:931
abs
#define abs(i)
Definition: fconv.c:206
log10
double log10(double x)
Definition: freeldr.c:190
x
GLint GLint GLint GLint GLint x
Definition: gl.h:1548
result
GLuint64EXT * result
Definition: glext.h:11304
z
GLdouble GLdouble z
Definition: glext.h:5874
i
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint i
Definition: glfuncs.h:248
log10f
_Check_return_ float __cdecl log10f(_In_ float x)
Definition: math.h:244
INFINITY
#define INFINITY
Definition: math.h:56
__libm_sse2_log10f
__ATTRIBUTE_SSE2__ __m128 __libm_sse2_log10f(__m128 Xmm0)
Definition: libm_sse2.c:134
__libm_sse2_log10
__ATTRIBUTE_SSE2__ __m128d __libm_sse2_log10(__m128d Xmm0)
Definition: libm_sse2.c:127
Test_log10_approx
void Test_log10_approx(void)
Definition: log10.c:99
s_log10f_approx_tests
static TESTENTRY_DBL_APPROX s_log10f_approx_tests[]
Definition: log10.c:148
s_log10f_exact_tests
static TESTENTRY_DBL s_log10f_exact_tests[]
Definition: log10.c:116
Test_log10f_approx
void Test_log10f_approx(void)
Definition: log10.c:197
Test_log10_exact
void Test_log10_exact(void)
Definition: log10.c:43
s_log10_approx_tests
static TESTENTRY_DBL_APPROX s_log10_approx_tests[]
Definition: log10.c:54
Test_log10f_exact
void Test_log10f_exact(void)
Definition: log10.c:134
s_log10_exact_tests
static TESTENTRY_DBL s_log10_exact_tests[]
Definition: log10.c:25
math_helpers.h
ok_eq_dbl_exact
#define ok_eq_dbl_exact(func, ullx, z, ullexp)
Definition: math_helpers.h:184
u64_to_dbl
static __inline double u64_to_dbl(UINT64 x)
Definition: math_helpers.h:25
__ATTRIBUTE_SSE2__
#define __ATTRIBUTE_SSE2__
Definition: math_helpers.h:19
ulp_error_precise
static __inline int64_t ulp_error_precise(PRECISE_VALUE *expected, double result)
Definition: math_helpers.h:154
ulp_error_flt
static __inline int ulp_error_flt(float expected, float result)
Definition: math_helpers.h:138
ok_eq_flt_exact
#define ok_eq_flt_exact(func, ux, z, uexp)
Definition: math_helpers.h:194
error
#define error(str)
Definition: mkdosfs.c:1605
expected
BOOL expected
Definition: store.c:2063
_countof
#define _countof(array)
Definition: sndvol32.h:70
_PRECISE_VALUE::rounded
double rounded
Definition: math_helpers.h:80
_TESTENTRY_DBL_APPROX
Definition: math_helpers.h:85
_TESTENTRY_DBL_APPROX::expected
PRECISE_VALUE expected
Definition: math_helpers.h:87
_TESTENTRY_DBL_APPROX::x
double x
Definition: math_helpers.h:86
_TESTENTRY_DBL
Definition: math_helpers.h:55
_mm_cvtss_f32
float _mm_cvtss_f32(__m128 a)
Definition: xmmintrin.h:921
_mm_set_ps1
__m128 _mm_set_ps1(float a)