comparison: src/misc.cpp
src/misc.cpp
- changeset 508
- 7ace3537a560
- parent 507
- fc76d38c3530
- child 538
- 2f85d4d286e5
equal
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inserted
replaced
| 507:fc76d38c3530 | 508:7ace3537a560 |
|---|---|
| 126 | 126 |
| 127 return out; | 127 return out; |
| 128 } | 128 } |
| 129 | 129 |
| 130 // ============================================================================= | 130 // ============================================================================= |
| 131 // Float to string. Removes trailing zeroes and is locale-independant. | 131 // ----------------------------------------------------------------------------- |
| 132 // TODO: Replace with QString::number() | 132 bool numeric (const str& tok) |
| 133 // ----------------------------------------------------------------------------- | |
| 134 str ftoa (double num) | |
| 135 { // Disable the locale first so that the decimal point will not | |
| 136 // turn into anything weird (like commas) | |
| 137 setlocale (LC_NUMERIC, "C"); | |
| 138 | |
| 139 str rep; | |
| 140 rep.sprintf ("%f", num); | |
| 141 | |
| 142 // Remove trailing zeroes | |
| 143 while (rep.right (1) == "0") | |
| 144 rep.chop (1); | |
| 145 | |
| 146 // If there were only zeroes in the decimal place, remove | |
| 147 // the decimal point now. | |
| 148 if (rep.right (1) == ".") | |
| 149 rep.chop (1); | |
| 150 | |
| 151 return rep; | |
| 152 } | |
| 153 | |
| 154 // ============================================================================= | |
| 155 // TODO: I guess Qt must have something like this stashed somewhere? | |
| 156 // ----------------------------------------------------------------------------- | |
| 157 bool isNumber (const str& tok) | |
| 158 { bool gotDot = false; | 133 { bool gotDot = false; |
| 159 | 134 |
| 160 for (int i = 0; i < tok.length(); ++i) | 135 for (int i = 0; i < tok.length(); ++i) |
| 161 { const qchar c = tok[i]; | 136 { const qchar c = tok[i]; |
| 162 | 137 |
| 278 | 253 |
| 279 for (const StringFormatArg& arg : vals) | 254 for (const StringFormatArg& arg : vals) |
| 280 list << arg.value(); | 255 list << arg.value(); |
| 281 | 256 |
| 282 return list.join (delim); | 257 return list.join (delim); |
| 283 } | |
| 284 | |
| 285 // ============================================================================= | |
| 286 // TODO: I'm quite sure Qt has this covered as well. | |
| 287 // ----------------------------------------------------------------------------- | |
| 288 double atof (str val) | |
| 289 { // Disable the locale while parsing the line or atof's behavior changes | |
| 290 // between locales (i.e. fails to read decimals properly). That is | |
| 291 // quite undesired... | |
| 292 setlocale (LC_NUMERIC, "C"); | |
| 293 | |
| 294 char* buf = new char[val.length()]; | |
| 295 char* bufptr = &buf[0]; | |
| 296 | |
| 297 for (QChar& c : val) | |
| 298 *bufptr++ = c.toLatin1(); | |
| 299 | |
| 300 *bufptr = '\0'; | |
| 301 | |
| 302 double fval = atof (buf); | |
| 303 delete[] buf; | |
| 304 return fval; | |
| 305 } | 258 } |
| 306 | 259 |
| 307 // ============================================================================= | 260 // ============================================================================= |
| 308 // This is the main algorithm of the ring finder. It tries to use math to find | 261 // This is the main algorithm of the ring finder. It tries to use math to find |
| 309 // the one ring between r0 and r1. If it fails (the ring number is non-integral), | 262 // the one ring between r0 and r1. If it fails (the ring number is non-integral), |
