GCC Code Coverage Report

Directory: src/gate/
File: src/gate/tests/gatecore_test/test_math.c
Date: 2025-09-14 13:10:38
Exec Total Coverage
Lines: 98 98 100.0%
Functions: 6 6 100.0%
Branches: 84 166 50.6%
Line Branch Exec Source
1 #include "test_math.h"
2
3 #include "gate/tests.h"
4 #include "gate/mathematics.h"
5
6 #include <math.h>
7
8
9 #if !defined(NAN) || !defined(INFINITY)
10 static gate_real32_t zero_float = 0.0f;
11 static gate_real64_t zero_double = 0.0;
12 #endif
13
14 #if defined(NAN)
15 1 static gate_real32_t create_float_nan() { return NAN; }
16 1 static gate_real64_t create_double_nan() { return NAN; }
17 #else
18 static gate_real32_t create_float_nan() { return zero_float / zero_float; }
19 static gate_real64_t create_double_nan() { return zero_double / zero_double; }
20 #endif
21
22 #if defined(INFINITY)
23 1 static gate_real32_t create_float_inf() { return INFINITY; }
24 1 static gate_real64_t create_double_inf() { return INFINITY; }
25 #else
26 static gate_real32_t create_float_inf() { return 1.0f / zero_float; }
27 static gate_real64_t create_double_inf() { return 1.0 / zero_double; }
28 #endif
29
30 typedef struct
31 {
32 gate_real64_t parameter;
33 gate_real64_t expected;
34 } math_value_table_t;
35
36 20 static gate_bool_t test_math_table(gate_real64_t(*func)(gate_real64_t), math_value_table_t const* table, gate_size_t table_count)
37 {
38 gate_size_t ndx;
39 gate_real64_t result;
40 gate_bool_t test_succeeded;
41 20 gate_bool_t succeeded = true;
42
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 119 for (ndx = 0; ndx != table_count; ++ndx)
43 {
44 99 result = func(table[ndx].parameter);
45 99 test_succeeded = true;
46 99 test_succeeded &= (result > table[ndx].expected - 0.0001);
47 99 test_succeeded &= (result < table[ndx].expected + 0.0001);
48
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 99 GATE_TEST_TRACE_MESSAGE(test_succeeded ? "test_math_table SUCCEEDED" : "test_math_table FAILED");
49 99 succeeded &= test_succeeded;
50 }
51 20 return succeeded;
52 }
53
54 static math_value_table_t sin_table[] =
55 {
56 { 0.0, 0.0 },
57 { 1.0, 0.84147098 },
58 { 2.0, 0.90929742 },
59 { 3.0, 0.14112000 },
60 { -1.0, -0.84147098 },
61 { -2.0, -0.90929742 },
62 { -3.0, -0.14112000 }
63 };
64
65 static math_value_table_t cos_table[] =
66 {
67 { 0.0, 1.0 },
68 { 1.0, 0.54030230 },
69 { 2.0, -0.41614683 },
70 { 3.0, -0.98999249 },
71 { -1.0, 0.54030230 },
72 { -2.0, -0.41614683 },
73 { -3.0, -0.98999249 }
74 };
75
76 static math_value_table_t tan_table[] =
77 {
78 { 0.0, 0.0 },
79 { 1.0, 1.5574077246549 },
80 { 2.0, -2.1850398632615 },
81 { 3.0, -0.1425465431 },
82 { 4.0, 1.15782128235 },
83 };
84
85 static math_value_table_t asin_table[] =
86 {
87 { 0.0, 0.0 },
88 { 0.3, 0.304692654 },
89 { 0.6, 0.643501109 },
90 { 0.9, 1.119769515 },
91 { 0.95, 1.2532358975 },
92 { 0.96, 1.2870022176 },
93 { 1.0, 1.570796326794 }
94 };
95
96 static math_value_table_t acos_table[] =
97 {
98 { 0.0, 1.5707963268 },
99 { 0.3, 1.26610367278 },
100 { 0.6, 0.927295218 },
101 { 1.0, 0.0 }
102 };
103
104 static math_value_table_t atan_table[] =
105 {
106 { 0.0, 0.0 },
107 { 0.1, 0.09966865249 },
108 { 0.5, 0.463647609 },
109 { 0.9, 0.73281510179 },
110 { 0.98, 0.7752974968 },
111 { 1.0, 0.785398163397 },
112 { 2.0, 1.107148717794 },
113 { 3.0, 1.249045772398 }
114 };
115
116 static math_value_table_t sinh_table[] =
117 {
118 { 0.0, 0.0 },
119 { 1.0, 1.1752011936438 },
120 { 2.0, 3.626860407847 },
121 { 3.0, 10.0178749274 }
122 };
123
124 static math_value_table_t cosh_table[] =
125 {
126 { 0.0, 1.0 },
127 { 1.0, 1.5430806348 },
128 { 2.0, 3.762195691 },
129 { 3.0, 10.0676619958 }
130 };
131
132 static math_value_table_t tanh_table[] =
133 {
134 { 0.0, 0.0 },
135 { 1.0, 0.761594155956 },
136 { 2.0, 0.96402758 },
137 { 3.0, 0.995054753687 },
138 };
139
140 static math_value_table_t asinh_table[] =
141 {
142 { 0.0, 0.0 },
143 { 1.0, 0.881373587 },
144 { 2.0, 1.443635475 },
145 { 3.0, 1.818446459 }
146 };
147
148 static math_value_table_t acosh_table[] =
149 {
150 { 1.0, 0.0 },
151 { 2.0, 1.3169578969 },
152 { 3.0, 1.762747174039 }
153 };
154
155 static math_value_table_t atanh_table[] =
156 {
157 { 0.0, 0.0 },
158 { 0.5, 0.549306144334 },
159 { 0.9, 1.472219489583 },
160 { 0.1, 0.100335347731 }
161 };
162
163 static math_value_table_t exp_table[] =
164 {
165 { 0.0, 1.0 },
166 { 1.0, GATE_MATH_CONST_E },
167 { 5.0, 148.4131591 },
168 { 12.0, 162754.791419 },
169 { 24.0, 26489122129.843472 }
170 };
171
172 static math_value_table_t log_table[] =
173 {
174 { 1.0, 0.0 },
175 { 10.0, 2.302585092994 },
176 { 20000.0, 9.903487552536 },
177 { 4000000.0, 15.2018049191 }
178 };
179
180 static math_value_table_t log10_table[] =
181 {
182 { 1.0, 0.0 },
183 { 2.0, 0.30103 },
184 { 22.0, 1.342422681 },
185 { 2222.0, 3.3467440546 }
186 };
187
188 static math_value_table_t sqrt_table[] =
189 {
190 { 4.0, 2.0 },
191 { 25.0, 5.0 },
192 { 10.0, 3.162277 },
193 { 40.0, 6.324555 },
194 { 32767.0, 181.016573 }
195 };
196
197 static math_value_table_t ceil_table[] =
198 {
199 { 0.0, 0.0 },
200 { 42.0, 42.0 },
201 { 42.1, 43.0 },
202 { -42.0, -42.0 },
203 { -42.1, -42.0 }
204 };
205
206 static math_value_table_t floor_table[] =
207 {
208 { 0.0, 0.0 },
209 { 42.0, 42.0 },
210 { 42.1, 42.0 },
211 { -42.0, -42.0 },
212 { -42.1, -43.0 }
213 };
214
215 static math_value_table_t deg2rad_table[] =
216 {
217 { 0.0, 0.0 },
218 { 90.0, GATE_MATH_CONST_PI / 2.0 },
219 { 180.0, GATE_MATH_CONST_PI },
220 { 270.0, GATE_MATH_CONST_PI * 1.5 },
221 { 360.0, GATE_MATH_CONST_PI * 2.0 }
222 };
223
224 static math_value_table_t rad2deg_table[] =
225 {
226 { 0.0, 0.0 },
227 { GATE_MATH_CONST_PI / 2.0, 90.0 },
228 { GATE_MATH_CONST_PI, 180.0 },
229 { -GATE_MATH_CONST_PI / 2.0, -90.0 },
230 { -GATE_MATH_CONST_PI, -180.0 }
231 };
232
233
234 1 GATE_TEST_FUNCTION(test_math)
235 {
236 1 GATE_TEST_UNIT_BEGIN(test_math);
237
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 1 GATE_TEST_CHECK_EQUAL(gate_math_iszero(0.0), true);
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 1 GATE_TEST_CHECK_EQUAL(gate_math_isnan(create_double_nan()), true);
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 1 GATE_TEST_CHECK_EQUAL(gate_math_isinfinitef(1.0f), false);
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 1 GATE_TEST_CHECK_EQUAL(gate_math_isinfinitef(create_float_inf()), true);
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 1 GATE_TEST_CHECK(gate_math_abs_i8(0) == 0);
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 1 GATE_TEST_CHECK(gate_math_abs_i8(42) == 42);
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 1 GATE_TEST_CHECK(gate_math_iszero(gate_math_abs_r32(0.0)));
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 1 GATE_TEST_CHECK_EQUAL(gate_math_min_i16(3, (gate_int16_t)2, (gate_int16_t)1, (gate_int16_t)3), 1);
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 1 GATE_TEST_CHECK_EQUAL(gate_math_min_i32(3, (gate_int32_t)2, (gate_int32_t)1, (gate_int32_t)3), 1);
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 1 GATE_TEST_CHECK_EQUAL(gate_math_min_i64(3, (gate_int64_t)2, (gate_int64_t)1, (gate_int64_t)3), 1);
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 1 GATE_TEST_CHECK(gate_math_iszerof(gate_math_min_r32(3, 2.0f, 1.0f, 3.0f) - 1.0f));
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 1 GATE_TEST_CHECK(gate_math_iszero(gate_math_min_r64(3, 2.0, 1.0, 3.0) - 1.0));
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 1 GATE_TEST_CHECK_EQUAL(gate_math_max_i16(3, (gate_int16_t)2, (gate_int16_t)1, (gate_int16_t)3), 3);
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 1 GATE_TEST_CHECK_EQUAL(gate_math_max_i32(3, (gate_int32_t)2, (gate_int32_t)1, (gate_int32_t)3), 3);
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 1 GATE_TEST_CHECK_EQUAL(gate_math_max_i64(3, (gate_int64_t)2, (gate_int64_t)1, (gate_int64_t)3), 3);
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 1 GATE_TEST_CHECK(gate_math_iszerof(gate_math_max_r32(3, 2.0f, 1.0f, 3.0f) - 3.0f));
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 1 GATE_TEST_CHECK(gate_math_iszero(gate_math_max_r64(3, 2.0, 1.0, 3.0) - 3.0));
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 1 GATE_TEST_CHECK_EQUAL(gate_math_decimal_length(0.12345), 5);
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 1 GATE_TEST_CHECK(test_math_table(&gate_math_sin, sin_table, sizeof(sin_table) / sizeof(sin_table[0])));
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 1 GATE_TEST_CHECK(test_math_table(&gate_math_cos, cos_table, sizeof(cos_table) / sizeof(cos_table[0])));
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 1 GATE_TEST_CHECK(test_math_table(&gate_math_tan, tan_table, sizeof(tan_table) / sizeof(tan_table[0])));
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 1 GATE_TEST_CHECK(test_math_table(&gate_math_asin, asin_table, sizeof(asin_table) / sizeof(asin_table[0])));
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 1 GATE_TEST_CHECK(test_math_table(&gate_math_acos, acos_table, sizeof(acos_table) / sizeof(acos_table[0])));
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 1 GATE_TEST_CHECK(test_math_table(&gate_math_atan, atan_table, sizeof(atan_table) / sizeof(atan_table[0])));
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 1 GATE_TEST_CHECK(test_math_table(&gate_math_sinh, sinh_table, sizeof(sinh_table) / sizeof(sinh_table[0])));
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 1 GATE_TEST_CHECK(test_math_table(&gate_math_cosh, cosh_table, sizeof(cosh_table) / sizeof(cosh_table[0])));
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 1 GATE_TEST_CHECK(test_math_table(&gate_math_tanh, tanh_table, sizeof(tanh_table) / sizeof(tanh_table[0])));
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 1 GATE_TEST_CHECK(test_math_table(&gate_math_asinh, asinh_table, sizeof(asinh_table) / sizeof(asinh_table[0])));
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 1 GATE_TEST_CHECK(test_math_table(&gate_math_acosh, acosh_table, sizeof(acosh_table) / sizeof(acosh_table[0])));
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 1 GATE_TEST_CHECK(test_math_table(&gate_math_atanh, atanh_table, sizeof(atanh_table) / sizeof(atanh_table[0])));
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 1 GATE_TEST_CHECK(test_math_table(&gate_math_exp, exp_table, sizeof(exp_table) / sizeof(exp_table[0])));
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 1 GATE_TEST_CHECK(test_math_table(&gate_math_log, log_table, sizeof(log_table) / sizeof(log_table[0])));
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 1 GATE_TEST_CHECK(test_math_table(&gate_math_log10, log10_table, sizeof(log10_table) / sizeof(log10_table[0])));
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 1 GATE_TEST_CHECK(test_math_table(&gate_math_sqrt, sqrt_table, sizeof(sqrt_table) / sizeof(sqrt_table[0])));
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 1 GATE_TEST_CHECK(test_math_table(&gate_math_ceil, ceil_table, sizeof(ceil_table) / sizeof(ceil_table[0])));
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 1 GATE_TEST_CHECK(test_math_table(&gate_math_floor, floor_table, sizeof(floor_table) / sizeof(floor_table[0])));
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 1 GATE_TEST_CHECK(test_math_table(&gate_math_deg2rad, deg2rad_table, sizeof(deg2rad_table) / sizeof(deg2rad_table[0])));
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 1 GATE_TEST_CHECK(test_math_table(&gate_math_rad2deg, rad2deg_table, sizeof(rad2deg_table) / sizeof(rad2deg_table[0])));
343
344 1 GATE_TEST_UNIT_END;
345
346 //GATE_CORE_API gate_real64_t gate_math_atan2(gate_real64_t y, gate_real64_t x);
347 //GATE_CORE_API gate_real64_t gate_math_frexp(gate_real64_t value, int* exp);
348 //GATE_CORE_API gate_real64_t gate_math_ldexp(gate_real64_t value, int exp);
349 //GATE_CORE_API gate_real64_t gate_math_modf(gate_real64_t value, gate_real64_t* intpart);
350
351 //GATE_CORE_API gate_int64_t gate_math_pow_i64(gate_int64_t base, gate_uint16_t exp);
352 //GATE_CORE_API gate_real64_t gate_math_pow_iexp(gate_real64_t base, gate_uint16_t exp);
353 //GATE_CORE_API gate_real64_t gate_math_pow(gate_real64_t base, gate_real64_t exp);
354 }
355
356