OLD | NEW |
1 // Copyright 2010 the V8 project authors. All rights reserved. | 1 // Copyright 2010 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
(...skipping 46 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
57 | 57 |
58 | 58 |
59 TEST(DtoaVariousDoubles) { | 59 TEST(DtoaVariousDoubles) { |
60 char buffer_container[kBufferSize]; | 60 char buffer_container[kBufferSize]; |
61 Vector<char> buffer(buffer_container, kBufferSize); | 61 Vector<char> buffer(buffer_container, kBufferSize); |
62 int length; | 62 int length; |
63 int point; | 63 int point; |
64 int sign; | 64 int sign; |
65 | 65 |
66 DoubleToAscii(0.0, DTOA_SHORTEST, 0, buffer, &sign, &length, &point); | 66 DoubleToAscii(0.0, DTOA_SHORTEST, 0, buffer, &sign, &length, &point); |
67 CHECK_EQ("0", buffer.start()); | 67 CHECK_EQ(0, strcmp("0", buffer.start())); |
68 CHECK_EQ(1, point); | 68 CHECK_EQ(1, point); |
69 | 69 |
70 DoubleToAscii(0.0, DTOA_FIXED, 2, buffer, &sign, &length, &point); | 70 DoubleToAscii(0.0, DTOA_FIXED, 2, buffer, &sign, &length, &point); |
71 CHECK_EQ(1, length); | 71 CHECK_EQ(1, length); |
72 CHECK_EQ("0", buffer.start()); | 72 CHECK_EQ(0, strcmp("0", buffer.start())); |
73 CHECK_EQ(1, point); | 73 CHECK_EQ(1, point); |
74 | 74 |
75 DoubleToAscii(0.0, DTOA_PRECISION, 3, buffer, &sign, &length, &point); | 75 DoubleToAscii(0.0, DTOA_PRECISION, 3, buffer, &sign, &length, &point); |
76 CHECK_EQ(1, length); | 76 CHECK_EQ(1, length); |
77 CHECK_EQ("0", buffer.start()); | 77 CHECK_EQ(0, strcmp("0", buffer.start())); |
78 CHECK_EQ(1, point); | 78 CHECK_EQ(1, point); |
79 | 79 |
80 DoubleToAscii(1.0, DTOA_SHORTEST, 0, buffer, &sign, &length, &point); | 80 DoubleToAscii(1.0, DTOA_SHORTEST, 0, buffer, &sign, &length, &point); |
81 CHECK_EQ("1", buffer.start()); | 81 CHECK_EQ(0, strcmp("1", buffer.start())); |
82 CHECK_EQ(1, point); | 82 CHECK_EQ(1, point); |
83 | 83 |
84 DoubleToAscii(1.0, DTOA_FIXED, 3, buffer, &sign, &length, &point); | 84 DoubleToAscii(1.0, DTOA_FIXED, 3, buffer, &sign, &length, &point); |
85 CHECK_GE(3, length - point); | 85 CHECK_GE(3, length - point); |
86 TrimRepresentation(buffer); | 86 TrimRepresentation(buffer); |
87 CHECK_EQ("1", buffer.start()); | 87 CHECK_EQ(0, strcmp("1", buffer.start())); |
88 CHECK_EQ(1, point); | 88 CHECK_EQ(1, point); |
89 | 89 |
90 DoubleToAscii(1.0, DTOA_PRECISION, 3, buffer, &sign, &length, &point); | 90 DoubleToAscii(1.0, DTOA_PRECISION, 3, buffer, &sign, &length, &point); |
91 CHECK_GE(3, length); | 91 CHECK_GE(3, length); |
92 TrimRepresentation(buffer); | 92 TrimRepresentation(buffer); |
93 CHECK_EQ("1", buffer.start()); | 93 CHECK_EQ(0, strcmp("1", buffer.start())); |
94 CHECK_EQ(1, point); | 94 CHECK_EQ(1, point); |
95 | 95 |
96 DoubleToAscii(1.5, DTOA_SHORTEST, 0, buffer, &sign, &length, &point); | 96 DoubleToAscii(1.5, DTOA_SHORTEST, 0, buffer, &sign, &length, &point); |
97 CHECK_EQ("15", buffer.start()); | 97 CHECK_EQ(0, strcmp("15", buffer.start())); |
98 CHECK_EQ(1, point); | 98 CHECK_EQ(1, point); |
99 | 99 |
100 DoubleToAscii(1.5, DTOA_FIXED, 10, buffer, &sign, &length, &point); | 100 DoubleToAscii(1.5, DTOA_FIXED, 10, buffer, &sign, &length, &point); |
101 CHECK_GE(10, length - point); | 101 CHECK_GE(10, length - point); |
102 TrimRepresentation(buffer); | 102 TrimRepresentation(buffer); |
103 CHECK_EQ("15", buffer.start()); | 103 CHECK_EQ(0, strcmp("15", buffer.start())); |
104 CHECK_EQ(1, point); | 104 CHECK_EQ(1, point); |
105 | 105 |
106 DoubleToAscii(1.5, DTOA_PRECISION, 10, buffer, &sign, &length, &point); | 106 DoubleToAscii(1.5, DTOA_PRECISION, 10, buffer, &sign, &length, &point); |
107 CHECK_GE(10, length); | 107 CHECK_GE(10, length); |
108 TrimRepresentation(buffer); | 108 TrimRepresentation(buffer); |
109 CHECK_EQ("15", buffer.start()); | 109 CHECK_EQ(0, strcmp("15", buffer.start())); |
110 CHECK_EQ(1, point); | 110 CHECK_EQ(1, point); |
111 | 111 |
112 double min_double = 5e-324; | 112 double min_double = 5e-324; |
113 DoubleToAscii(min_double, DTOA_SHORTEST, 0, buffer, &sign, &length, &point); | 113 DoubleToAscii(min_double, DTOA_SHORTEST, 0, buffer, &sign, &length, &point); |
114 CHECK_EQ("5", buffer.start()); | 114 CHECK_EQ(0, strcmp("5", buffer.start())); |
115 CHECK_EQ(-323, point); | 115 CHECK_EQ(-323, point); |
116 | 116 |
117 DoubleToAscii(min_double, DTOA_FIXED, 5, buffer, &sign, &length, &point); | 117 DoubleToAscii(min_double, DTOA_FIXED, 5, buffer, &sign, &length, &point); |
118 CHECK_GE(5, length - point); | 118 CHECK_GE(5, length - point); |
119 TrimRepresentation(buffer); | 119 TrimRepresentation(buffer); |
120 CHECK_EQ("", buffer.start()); | 120 CHECK_EQ(0, strcmp("", buffer.start())); |
121 CHECK_GE(-5, point); | 121 CHECK_GE(-5, point); |
122 | 122 |
123 DoubleToAscii(min_double, DTOA_PRECISION, 5, buffer, &sign, &length, &point); | 123 DoubleToAscii(min_double, DTOA_PRECISION, 5, buffer, &sign, &length, &point); |
124 CHECK_GE(5, length); | 124 CHECK_GE(5, length); |
125 TrimRepresentation(buffer); | 125 TrimRepresentation(buffer); |
126 CHECK_EQ("49407", buffer.start()); | 126 CHECK_EQ(0, strcmp("49407", buffer.start())); |
127 CHECK_EQ(-323, point); | 127 CHECK_EQ(-323, point); |
128 | 128 |
129 double max_double = 1.7976931348623157e308; | 129 double max_double = 1.7976931348623157e308; |
130 DoubleToAscii(max_double, DTOA_SHORTEST, 0, buffer, &sign, &length, &point); | 130 DoubleToAscii(max_double, DTOA_SHORTEST, 0, buffer, &sign, &length, &point); |
131 CHECK_EQ("17976931348623157", buffer.start()); | 131 CHECK_EQ(0, strcmp("17976931348623157", buffer.start())); |
132 CHECK_EQ(309, point); | 132 CHECK_EQ(309, point); |
133 | 133 |
134 DoubleToAscii(max_double, DTOA_PRECISION, 7, buffer, &sign, &length, &point); | 134 DoubleToAscii(max_double, DTOA_PRECISION, 7, buffer, &sign, &length, &point); |
135 CHECK_GE(7, length); | 135 CHECK_GE(7, length); |
136 TrimRepresentation(buffer); | 136 TrimRepresentation(buffer); |
137 CHECK_EQ("1797693", buffer.start()); | 137 CHECK_EQ(0, strcmp("1797693", buffer.start())); |
138 CHECK_EQ(309, point); | 138 CHECK_EQ(309, point); |
139 | 139 |
140 DoubleToAscii(4294967272.0, DTOA_SHORTEST, 0, buffer, &sign, &length, &point); | 140 DoubleToAscii(4294967272.0, DTOA_SHORTEST, 0, buffer, &sign, &length, &point); |
141 CHECK_EQ("4294967272", buffer.start()); | 141 CHECK_EQ(0, strcmp("4294967272", buffer.start())); |
142 CHECK_EQ(10, point); | 142 CHECK_EQ(10, point); |
143 | 143 |
144 DoubleToAscii(4294967272.0, DTOA_FIXED, 5, buffer, &sign, &length, &point); | 144 DoubleToAscii(4294967272.0, DTOA_FIXED, 5, buffer, &sign, &length, &point); |
145 CHECK_GE(5, length - point); | 145 CHECK_GE(5, length - point); |
146 TrimRepresentation(buffer); | 146 TrimRepresentation(buffer); |
147 CHECK_EQ("4294967272", buffer.start()); | 147 CHECK_EQ(0, strcmp("4294967272", buffer.start())); |
148 CHECK_EQ(10, point); | 148 CHECK_EQ(10, point); |
149 | 149 |
150 | 150 |
151 DoubleToAscii(4294967272.0, DTOA_PRECISION, 14, | 151 DoubleToAscii(4294967272.0, DTOA_PRECISION, 14, |
152 buffer, &sign, &length, &point); | 152 buffer, &sign, &length, &point); |
153 CHECK_GE(14, length); | 153 CHECK_GE(14, length); |
154 TrimRepresentation(buffer); | 154 TrimRepresentation(buffer); |
155 CHECK_EQ("4294967272", buffer.start()); | 155 CHECK_EQ(0, strcmp("4294967272", buffer.start())); |
156 CHECK_EQ(10, point); | 156 CHECK_EQ(10, point); |
157 | 157 |
158 DoubleToAscii(4.1855804968213567e298, DTOA_SHORTEST, 0, | 158 DoubleToAscii(4.1855804968213567e298, DTOA_SHORTEST, 0, |
159 buffer, &sign, &length, &point); | 159 buffer, &sign, &length, &point); |
160 CHECK_EQ("4185580496821357", buffer.start()); | 160 CHECK_EQ(0, strcmp("4185580496821357", buffer.start())); |
161 CHECK_EQ(299, point); | 161 CHECK_EQ(299, point); |
162 | 162 |
163 DoubleToAscii(4.1855804968213567e298, DTOA_PRECISION, 20, | 163 DoubleToAscii(4.1855804968213567e298, DTOA_PRECISION, 20, |
164 buffer, &sign, &length, &point); | 164 buffer, &sign, &length, &point); |
165 CHECK_GE(20, length); | 165 CHECK_GE(20, length); |
166 TrimRepresentation(buffer); | 166 TrimRepresentation(buffer); |
167 CHECK_EQ("41855804968213567225", buffer.start()); | 167 CHECK_EQ(0, strcmp("41855804968213567225", buffer.start())); |
168 CHECK_EQ(299, point); | 168 CHECK_EQ(299, point); |
169 | 169 |
170 DoubleToAscii(5.5626846462680035e-309, DTOA_SHORTEST, 0, | 170 DoubleToAscii(5.5626846462680035e-309, DTOA_SHORTEST, 0, |
171 buffer, &sign, &length, &point); | 171 buffer, &sign, &length, &point); |
172 CHECK_EQ("5562684646268003", buffer.start()); | 172 CHECK_EQ(0, strcmp("5562684646268003", buffer.start())); |
173 CHECK_EQ(-308, point); | 173 CHECK_EQ(-308, point); |
174 | 174 |
175 DoubleToAscii(5.5626846462680035e-309, DTOA_PRECISION, 1, | 175 DoubleToAscii(5.5626846462680035e-309, DTOA_PRECISION, 1, |
176 buffer, &sign, &length, &point); | 176 buffer, &sign, &length, &point); |
177 CHECK_GE(1, length); | 177 CHECK_GE(1, length); |
178 TrimRepresentation(buffer); | 178 TrimRepresentation(buffer); |
179 CHECK_EQ("6", buffer.start()); | 179 CHECK_EQ(0, strcmp("6", buffer.start())); |
180 CHECK_EQ(-308, point); | 180 CHECK_EQ(-308, point); |
181 | 181 |
182 DoubleToAscii(-2147483648.0, DTOA_SHORTEST, 0, | 182 DoubleToAscii(-2147483648.0, DTOA_SHORTEST, 0, |
183 buffer, &sign, &length, &point); | 183 buffer, &sign, &length, &point); |
184 CHECK_EQ(1, sign); | 184 CHECK_EQ(1, sign); |
185 CHECK_EQ("2147483648", buffer.start()); | 185 CHECK_EQ(0, strcmp("2147483648", buffer.start())); |
186 CHECK_EQ(10, point); | 186 CHECK_EQ(10, point); |
187 | 187 |
188 | 188 |
189 DoubleToAscii(-2147483648.0, DTOA_FIXED, 2, buffer, &sign, &length, &point); | 189 DoubleToAscii(-2147483648.0, DTOA_FIXED, 2, buffer, &sign, &length, &point); |
190 CHECK_GE(2, length - point); | 190 CHECK_GE(2, length - point); |
191 TrimRepresentation(buffer); | 191 TrimRepresentation(buffer); |
192 CHECK_EQ(1, sign); | 192 CHECK_EQ(1, sign); |
193 CHECK_EQ("2147483648", buffer.start()); | 193 CHECK_EQ(0, strcmp("2147483648", buffer.start())); |
194 CHECK_EQ(10, point); | 194 CHECK_EQ(10, point); |
195 | 195 |
196 DoubleToAscii(-2147483648.0, DTOA_PRECISION, 5, | 196 DoubleToAscii(-2147483648.0, DTOA_PRECISION, 5, |
197 buffer, &sign, &length, &point); | 197 buffer, &sign, &length, &point); |
198 CHECK_GE(5, length); | 198 CHECK_GE(5, length); |
199 TrimRepresentation(buffer); | 199 TrimRepresentation(buffer); |
200 CHECK_EQ(1, sign); | 200 CHECK_EQ(1, sign); |
201 CHECK_EQ("21475", buffer.start()); | 201 CHECK_EQ(0, strcmp("21475", buffer.start())); |
202 CHECK_EQ(10, point); | 202 CHECK_EQ(10, point); |
203 | 203 |
204 DoubleToAscii(-3.5844466002796428e+298, DTOA_SHORTEST, 0, | 204 DoubleToAscii(-3.5844466002796428e+298, DTOA_SHORTEST, 0, |
205 buffer, &sign, &length, &point); | 205 buffer, &sign, &length, &point); |
206 CHECK_EQ(1, sign); | 206 CHECK_EQ(1, sign); |
207 CHECK_EQ("35844466002796428", buffer.start()); | 207 CHECK_EQ(0, strcmp("35844466002796428", buffer.start())); |
208 CHECK_EQ(299, point); | 208 CHECK_EQ(299, point); |
209 | 209 |
210 DoubleToAscii(-3.5844466002796428e+298, DTOA_PRECISION, 10, | 210 DoubleToAscii(-3.5844466002796428e+298, DTOA_PRECISION, 10, |
211 buffer, &sign, &length, &point); | 211 buffer, &sign, &length, &point); |
212 CHECK_EQ(1, sign); | 212 CHECK_EQ(1, sign); |
213 CHECK_GE(10, length); | 213 CHECK_GE(10, length); |
214 TrimRepresentation(buffer); | 214 TrimRepresentation(buffer); |
215 CHECK_EQ("35844466", buffer.start()); | 215 CHECK_EQ(0, strcmp("35844466", buffer.start())); |
216 CHECK_EQ(299, point); | 216 CHECK_EQ(299, point); |
217 | 217 |
218 uint64_t smallest_normal64 = V8_2PART_UINT64_C(0x00100000, 00000000); | 218 uint64_t smallest_normal64 = V8_2PART_UINT64_C(0x00100000, 00000000); |
219 double v = Double(smallest_normal64).value(); | 219 double v = Double(smallest_normal64).value(); |
220 DoubleToAscii(v, DTOA_SHORTEST, 0, buffer, &sign, &length, &point); | 220 DoubleToAscii(v, DTOA_SHORTEST, 0, buffer, &sign, &length, &point); |
221 CHECK_EQ("22250738585072014", buffer.start()); | 221 CHECK_EQ(0, strcmp("22250738585072014", buffer.start())); |
222 CHECK_EQ(-307, point); | 222 CHECK_EQ(-307, point); |
223 | 223 |
224 DoubleToAscii(v, DTOA_PRECISION, 20, buffer, &sign, &length, &point); | 224 DoubleToAscii(v, DTOA_PRECISION, 20, buffer, &sign, &length, &point); |
225 CHECK_GE(20, length); | 225 CHECK_GE(20, length); |
226 TrimRepresentation(buffer); | 226 TrimRepresentation(buffer); |
227 CHECK_EQ("22250738585072013831", buffer.start()); | 227 CHECK_EQ(0, strcmp("22250738585072013831", buffer.start())); |
228 CHECK_EQ(-307, point); | 228 CHECK_EQ(-307, point); |
229 | 229 |
230 uint64_t largest_denormal64 = V8_2PART_UINT64_C(0x000FFFFF, FFFFFFFF); | 230 uint64_t largest_denormal64 = V8_2PART_UINT64_C(0x000FFFFF, FFFFFFFF); |
231 v = Double(largest_denormal64).value(); | 231 v = Double(largest_denormal64).value(); |
232 DoubleToAscii(v, DTOA_SHORTEST, 0, buffer, &sign, &length, &point); | 232 DoubleToAscii(v, DTOA_SHORTEST, 0, buffer, &sign, &length, &point); |
233 CHECK_EQ("2225073858507201", buffer.start()); | 233 CHECK_EQ(0, strcmp("2225073858507201", buffer.start())); |
234 CHECK_EQ(-307, point); | 234 CHECK_EQ(-307, point); |
235 | 235 |
236 DoubleToAscii(v, DTOA_PRECISION, 20, buffer, &sign, &length, &point); | 236 DoubleToAscii(v, DTOA_PRECISION, 20, buffer, &sign, &length, &point); |
237 CHECK_GE(20, length); | 237 CHECK_GE(20, length); |
238 TrimRepresentation(buffer); | 238 TrimRepresentation(buffer); |
239 CHECK_EQ("2225073858507200889", buffer.start()); | 239 CHECK_EQ(0, strcmp("2225073858507200889", buffer.start())); |
240 CHECK_EQ(-307, point); | 240 CHECK_EQ(-307, point); |
241 | 241 |
242 DoubleToAscii(4128420500802942e-24, DTOA_SHORTEST, 0, | 242 DoubleToAscii(4128420500802942e-24, DTOA_SHORTEST, 0, |
243 buffer, &sign, &length, &point); | 243 buffer, &sign, &length, &point); |
244 CHECK_EQ(0, sign); | 244 CHECK_EQ(0, sign); |
245 CHECK_EQ("4128420500802942", buffer.start()); | 245 CHECK_EQ(0, strcmp("4128420500802942", buffer.start())); |
246 CHECK_EQ(-8, point); | 246 CHECK_EQ(-8, point); |
247 | 247 |
248 v = -3.9292015898194142585311918e-10; | 248 v = -3.9292015898194142585311918e-10; |
249 DoubleToAscii(v, DTOA_SHORTEST, 0, buffer, &sign, &length, &point); | 249 DoubleToAscii(v, DTOA_SHORTEST, 0, buffer, &sign, &length, &point); |
250 CHECK_EQ("39292015898194143", buffer.start()); | 250 CHECK_EQ(0, strcmp("39292015898194143", buffer.start())); |
251 | 251 |
252 v = 4194304.0; | 252 v = 4194304.0; |
253 DoubleToAscii(v, DTOA_FIXED, 5, buffer, &sign, &length, &point); | 253 DoubleToAscii(v, DTOA_FIXED, 5, buffer, &sign, &length, &point); |
254 CHECK_GE(5, length - point); | 254 CHECK_GE(5, length - point); |
255 TrimRepresentation(buffer); | 255 TrimRepresentation(buffer); |
256 CHECK_EQ("4194304", buffer.start()); | 256 CHECK_EQ(0, strcmp("4194304", buffer.start())); |
257 | 257 |
258 v = 3.3161339052167390562200598e-237; | 258 v = 3.3161339052167390562200598e-237; |
259 DoubleToAscii(v, DTOA_PRECISION, 19, buffer, &sign, &length, &point); | 259 DoubleToAscii(v, DTOA_PRECISION, 19, buffer, &sign, &length, &point); |
260 CHECK_GE(19, length); | 260 CHECK_GE(19, length); |
261 TrimRepresentation(buffer); | 261 TrimRepresentation(buffer); |
262 CHECK_EQ("3316133905216739056", buffer.start()); | 262 CHECK_EQ(0, strcmp("3316133905216739056", buffer.start())); |
263 CHECK_EQ(-236, point); | 263 CHECK_EQ(-236, point); |
264 } | 264 } |
265 | 265 |
266 | 266 |
267 TEST(DtoaGayShortest) { | 267 TEST(DtoaGayShortest) { |
268 char buffer_container[kBufferSize]; | 268 char buffer_container[kBufferSize]; |
269 Vector<char> buffer(buffer_container, kBufferSize); | 269 Vector<char> buffer(buffer_container, kBufferSize); |
270 int sign; | 270 int sign; |
271 int length; | 271 int length; |
272 int point; | 272 int point; |
273 | 273 |
274 Vector<const PrecomputedShortest> precomputed = | 274 Vector<const PrecomputedShortest> precomputed = |
275 PrecomputedShortestRepresentations(); | 275 PrecomputedShortestRepresentations(); |
276 for (int i = 0; i < precomputed.length(); ++i) { | 276 for (int i = 0; i < precomputed.length(); ++i) { |
277 const PrecomputedShortest current_test = precomputed[i]; | 277 const PrecomputedShortest current_test = precomputed[i]; |
278 double v = current_test.v; | 278 double v = current_test.v; |
279 DoubleToAscii(v, DTOA_SHORTEST, 0, buffer, &sign, &length, &point); | 279 DoubleToAscii(v, DTOA_SHORTEST, 0, buffer, &sign, &length, &point); |
280 CHECK_EQ(0, sign); // All precomputed numbers are positive. | 280 CHECK_EQ(0, sign); // All precomputed numbers are positive. |
281 CHECK_EQ(current_test.decimal_point, point); | 281 CHECK_EQ(current_test.decimal_point, point); |
282 CHECK_EQ(current_test.representation, buffer.start()); | 282 CHECK_EQ(0, strcmp(current_test.representation, buffer.start())); |
283 } | 283 } |
284 } | 284 } |
285 | 285 |
286 | 286 |
287 TEST(DtoaGayFixed) { | 287 TEST(DtoaGayFixed) { |
288 char buffer_container[kBufferSize]; | 288 char buffer_container[kBufferSize]; |
289 Vector<char> buffer(buffer_container, kBufferSize); | 289 Vector<char> buffer(buffer_container, kBufferSize); |
290 int sign; | 290 int sign; |
291 int length; | 291 int length; |
292 int point; | 292 int point; |
293 | 293 |
294 Vector<const PrecomputedFixed> precomputed = | 294 Vector<const PrecomputedFixed> precomputed = |
295 PrecomputedFixedRepresentations(); | 295 PrecomputedFixedRepresentations(); |
296 for (int i = 0; i < precomputed.length(); ++i) { | 296 for (int i = 0; i < precomputed.length(); ++i) { |
297 const PrecomputedFixed current_test = precomputed[i]; | 297 const PrecomputedFixed current_test = precomputed[i]; |
298 double v = current_test.v; | 298 double v = current_test.v; |
299 int number_digits = current_test.number_digits; | 299 int number_digits = current_test.number_digits; |
300 DoubleToAscii(v, DTOA_FIXED, number_digits, buffer, &sign, &length, &point); | 300 DoubleToAscii(v, DTOA_FIXED, number_digits, buffer, &sign, &length, &point); |
301 CHECK_EQ(0, sign); // All precomputed numbers are positive. | 301 CHECK_EQ(0, sign); // All precomputed numbers are positive. |
302 CHECK_EQ(current_test.decimal_point, point); | 302 CHECK_EQ(current_test.decimal_point, point); |
303 CHECK_GE(number_digits, length - point); | 303 CHECK_GE(number_digits, length - point); |
304 TrimRepresentation(buffer); | 304 TrimRepresentation(buffer); |
305 CHECK_EQ(current_test.representation, buffer.start()); | 305 CHECK_EQ(0, strcmp(current_test.representation, buffer.start())); |
306 } | 306 } |
307 } | 307 } |
308 | 308 |
309 | 309 |
310 TEST(DtoaGayPrecision) { | 310 TEST(DtoaGayPrecision) { |
311 char buffer_container[kBufferSize]; | 311 char buffer_container[kBufferSize]; |
312 Vector<char> buffer(buffer_container, kBufferSize); | 312 Vector<char> buffer(buffer_container, kBufferSize); |
313 int sign; | 313 int sign; |
314 int length; | 314 int length; |
315 int point; | 315 int point; |
316 | 316 |
317 Vector<const PrecomputedPrecision> precomputed = | 317 Vector<const PrecomputedPrecision> precomputed = |
318 PrecomputedPrecisionRepresentations(); | 318 PrecomputedPrecisionRepresentations(); |
319 for (int i = 0; i < precomputed.length(); ++i) { | 319 for (int i = 0; i < precomputed.length(); ++i) { |
320 const PrecomputedPrecision current_test = precomputed[i]; | 320 const PrecomputedPrecision current_test = precomputed[i]; |
321 double v = current_test.v; | 321 double v = current_test.v; |
322 int number_digits = current_test.number_digits; | 322 int number_digits = current_test.number_digits; |
323 DoubleToAscii(v, DTOA_PRECISION, number_digits, | 323 DoubleToAscii(v, DTOA_PRECISION, number_digits, |
324 buffer, &sign, &length, &point); | 324 buffer, &sign, &length, &point); |
325 CHECK_EQ(0, sign); // All precomputed numbers are positive. | 325 CHECK_EQ(0, sign); // All precomputed numbers are positive. |
326 CHECK_EQ(current_test.decimal_point, point); | 326 CHECK_EQ(current_test.decimal_point, point); |
327 CHECK_GE(number_digits, length); | 327 CHECK_GE(number_digits, length); |
328 TrimRepresentation(buffer); | 328 TrimRepresentation(buffer); |
329 CHECK_EQ(current_test.representation, buffer.start()); | 329 CHECK_EQ(0, strcmp(current_test.representation, buffer.start())); |
330 } | 330 } |
331 } | 331 } |
OLD | NEW |