1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
|
/**
* @file llunit.h
* @brief Unit conversion classes
*
* $LicenseInfo:firstyear=2001&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2012, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#ifndef LL_LLUNIT_H
#define LL_LLUNIT_H
#include "stdtypes.h"
#include "llpreprocessor.h"
#include "llerrorlegacy.h"
#include <boost/type_traits/is_same.hpp>
template<typename STORAGE_TYPE, typename UNIT_TYPE>
struct LLUnit
{
typedef LLUnit<STORAGE_TYPE, UNIT_TYPE> self_t;
typedef STORAGE_TYPE storage_t;
// value initialization
LLUnit(storage_t value = storage_t())
: mValue(value)
{}
// unit initialization and conversion
template<typename OTHER_STORAGE, typename OTHER_UNIT>
LLUnit(LLUnit<OTHER_STORAGE, OTHER_UNIT> other)
: mValue(convert(other).mValue)
{}
bool operator == (const self_t& other)
{
return mValue = other.mValue;
}
// value assignment
self_t& operator = (storage_t value)
{
mValue = value;
return *this;
}
// unit assignment
template<typename OTHER_STORAGE, typename OTHER_UNIT>
self_t& operator = (LLUnit<OTHER_STORAGE, OTHER_UNIT> other)
{
mValue = convert(other).mValue;
return *this;
}
storage_t value() const
{
return mValue;
}
template<typename NEW_UNIT_TYPE>
STORAGE_TYPE getAs()
{
return LLUnit<STORAGE_TYPE, NEW_UNIT_TYPE>(*this).value();
}
template<typename NEW_UNIT_TYPE>
STORAGE_TYPE setAs(STORAGE_TYPE val)
{
*this = LLUnit<STORAGE_TYPE, NEW_UNIT_TYPE>(val);
}
void operator += (storage_t value)
{
mValue += value;
}
template<typename OTHER_STORAGE, typename OTHER_UNIT>
void operator += (LLUnit<OTHER_STORAGE, OTHER_UNIT> other)
{
mValue += convert(other).mValue;
}
void operator -= (storage_t value)
{
mValue -= value;
}
template<typename OTHER_STORAGE, typename OTHER_UNIT>
void operator -= (LLUnit<OTHER_STORAGE, OTHER_UNIT> other)
{
mValue -= convert(other).mValue;
}
void operator *= (storage_t multiplicand)
{
mValue *= multiplicand;
}
template<typename OTHER_UNIT, typename OTHER_STORAGE>
void operator *= (LLUnit<OTHER_STORAGE, OTHER_UNIT> multiplicand)
{
// spurious use of dependent type to stop gcc from triggering the static assertion before instantiating the template
LL_BAD_TEMPLATE_INSTANTIATION(OTHER_UNIT, "Multiplication of unit types not supported.");
}
void operator /= (storage_t divisor)
{
mValue /= divisor;
}
template<typename OTHER_UNIT, typename OTHER_STORAGE>
void operator /= (LLUnit<OTHER_STORAGE, OTHER_UNIT> divisor)
{
// spurious use of dependent type to stop gcc from triggering the static assertion before instantiating the template
LL_BAD_TEMPLATE_INSTANTIATION(OTHER_UNIT, "Illegal in-place division of unit types.");
}
template<typename SOURCE_STORAGE, typename SOURCE_UNITS>
static self_t convert(LLUnit<SOURCE_STORAGE, SOURCE_UNITS> v)
{
self_t result;
ll_convert_units(v, result);
return result;
}
protected:
storage_t mValue;
};
template<typename STORAGE_TYPE, typename UNIT_TYPE>
struct LLUnitImplicit : public LLUnit<STORAGE_TYPE, UNIT_TYPE>
{
typedef LLUnitImplicit<STORAGE_TYPE, UNIT_TYPE> self_t;
typedef typename LLUnit<STORAGE_TYPE, UNIT_TYPE>::storage_t storage_t;
typedef LLUnit<STORAGE_TYPE, UNIT_TYPE> base_t;
LLUnitImplicit(storage_t value = storage_t())
: base_t(value)
{}
template<typename OTHER_STORAGE, typename OTHER_UNIT>
LLUnitImplicit(LLUnit<OTHER_STORAGE, OTHER_UNIT> other)
: base_t(convert(other))
{}
// unlike LLUnit, LLUnitImplicit is *implicitly* convertable to a POD scalar (F32, S32, etc)
// this allows for interoperability with legacy code
operator storage_t() const
{
return base_t::value();
}
};
template<typename S1, typename T1, typename S2, typename T2>
LL_FORCE_INLINE void ll_convert_units(LLUnit<S1, T1> in, LLUnit<S2, T2>& out, ...)
{
typedef boost::integral_constant<bool,
boost::is_same<T1, T2>::value
|| !boost::is_same<T1, typename T1::base_unit_t>::value
|| !boost::is_same<T2, typename T2::base_unit_t>::value> conversion_valid_t;
LL_STATIC_ASSERT(conversion_valid_t::value, "invalid conversion");
if (boost::is_same<T1, typename T1::base_unit_t>::value)
{
if (boost::is_same<T2, typename T2::base_unit_t>::value)
{
// T1 and T2 fully reduced and equal...just copy
out = (S2)in.value();
}
else
{
// reduce T2
LLUnit<S2, typename T2::base_unit_t> new_out;
ll_convert_units(in, new_out);
ll_convert_units(new_out, out);
}
}
else
{
// reduce T1
LLUnit<S1, typename T1::base_unit_t> new_in;
ll_convert_units(in, new_in);
ll_convert_units(new_in, out);
}
}
//
// operator +
//
template<typename STORAGE_TYPE1, typename UNIT_TYPE1, typename STORAGE_TYPE2, typename UNIT_TYPE2>
LLUnit<STORAGE_TYPE1, UNIT_TYPE1> operator + (LLUnit<STORAGE_TYPE1, UNIT_TYPE1> first, LLUnit<STORAGE_TYPE2, UNIT_TYPE2> second)
{
LLUnit<STORAGE_TYPE1, UNIT_TYPE1> result(first);
result += second;
return result;
}
template<typename STORAGE_TYPE, typename UNIT_TYPE, typename SCALAR_TYPE>
LLUnit<STORAGE_TYPE, UNIT_TYPE> operator + (LLUnit<STORAGE_TYPE, UNIT_TYPE> first, SCALAR_TYPE second)
{
LLUnit<STORAGE_TYPE, UNIT_TYPE> result(first);
result += second;
return result;
}
template<typename STORAGE_TYPE, typename UNIT_TYPE, typename SCALAR_TYPE>
LLUnit<STORAGE_TYPE, UNIT_TYPE> operator + (SCALAR_TYPE first, LLUnit<STORAGE_TYPE, UNIT_TYPE> second)
{
LLUnit<STORAGE_TYPE, UNIT_TYPE> result(first);
result += second;
return result;
}
template<typename STORAGE_TYPE1, typename UNIT_TYPE1, typename STORAGE_TYPE2, typename UNIT_TYPE2>
LLUnitImplicit<STORAGE_TYPE1, UNIT_TYPE1> operator + (LLUnitImplicit<STORAGE_TYPE1, UNIT_TYPE1> first, LLUnit<STORAGE_TYPE2, UNIT_TYPE2> second)
{
LLUnitImplicit<STORAGE_TYPE1, UNIT_TYPE1> result(first);
result += second;
return result;
}
template<typename STORAGE_TYPE, typename UNIT_TYPE, typename SCALAR_TYPE>
LLUnitImplicit<STORAGE_TYPE, UNIT_TYPE> operator + (LLUnitImplicit<STORAGE_TYPE, UNIT_TYPE> first, SCALAR_TYPE second)
{
LLUnitImplicit<STORAGE_TYPE, UNIT_TYPE> result(first);
result += second;
return result;
}
template<typename STORAGE_TYPE1, typename UNIT_TYPE1, typename STORAGE_TYPE2, typename UNIT_TYPE2>
LLUnitImplicit<STORAGE_TYPE1, UNIT_TYPE1> operator + (LLUnitImplicit<STORAGE_TYPE1, UNIT_TYPE1> first, LLUnitImplicit<STORAGE_TYPE2, UNIT_TYPE2> second)
{
LLUnitImplicit<STORAGE_TYPE1, UNIT_TYPE1> result(first);
result += second;
return result;
}
//
// operator -
//
template<typename STORAGE_TYPE1, typename UNIT_TYPE1, typename STORAGE_TYPE2, typename UNIT_TYPE2>
LLUnit<STORAGE_TYPE1, UNIT_TYPE1> operator - (LLUnit<STORAGE_TYPE1, UNIT_TYPE1> first, LLUnit<STORAGE_TYPE2, UNIT_TYPE2> second)
{
LLUnit<STORAGE_TYPE1, UNIT_TYPE1> result(first);
result -= second;
return result;
}
template<typename STORAGE_TYPE, typename UNIT_TYPE, typename SCALAR_TYPE>
LLUnit<STORAGE_TYPE, UNIT_TYPE> operator - (LLUnit<STORAGE_TYPE, UNIT_TYPE> first, SCALAR_TYPE second)
{
LLUnit<STORAGE_TYPE, UNIT_TYPE> result(first);
result -= second;
return result;
}
template<typename STORAGE_TYPE, typename UNIT_TYPE, typename SCALAR_TYPE>
LLUnit<STORAGE_TYPE, UNIT_TYPE> operator - (SCALAR_TYPE first, LLUnit<STORAGE_TYPE, UNIT_TYPE> second)
{
LLUnit<STORAGE_TYPE, UNIT_TYPE> result(first);
result -= second;
return result;
}
template<typename STORAGE_TYPE1, typename UNIT_TYPE1, typename STORAGE_TYPE2, typename UNIT_TYPE2>
LLUnitImplicit<STORAGE_TYPE1, UNIT_TYPE1> operator - (LLUnitImplicit<STORAGE_TYPE1, UNIT_TYPE1> first, LLUnitImplicit<STORAGE_TYPE2, UNIT_TYPE2> second)
{
LLUnitImplicit<STORAGE_TYPE1, UNIT_TYPE1> result(first);
result -= second;
return result;
}
template<typename STORAGE_TYPE, typename UNIT_TYPE, typename SCALAR_TYPE>
LLUnitImplicit<STORAGE_TYPE, UNIT_TYPE> operator - (LLUnitImplicit<STORAGE_TYPE, UNIT_TYPE> first, SCALAR_TYPE second)
{
LLUnitImplicit<STORAGE_TYPE, UNIT_TYPE> result(first);
result -= second;
return result;
}
template<typename STORAGE_TYPE, typename UNIT_TYPE, typename SCALAR_TYPE>
LLUnitImplicit<STORAGE_TYPE, UNIT_TYPE> operator - (SCALAR_TYPE first, LLUnitImplicit<STORAGE_TYPE, UNIT_TYPE> second)
{
LLUnitImplicit<STORAGE_TYPE, UNIT_TYPE> result(first);
result -= second;
return result;
}
//
// operator *
//
template<typename STORAGE_TYPE, typename UNIT_TYPE, typename SCALAR_TYPE>
LLUnit<STORAGE_TYPE, UNIT_TYPE> operator * (SCALAR_TYPE first, LLUnit<STORAGE_TYPE, UNIT_TYPE> second)
{
return LLUnit<STORAGE_TYPE, UNIT_TYPE>((STORAGE_TYPE)(first * second.value()));
}
template<typename STORAGE_TYPE, typename UNIT_TYPE, typename SCALAR_TYPE>
LLUnit<STORAGE_TYPE, UNIT_TYPE> operator * (LLUnit<STORAGE_TYPE, UNIT_TYPE> first, SCALAR_TYPE second)
{
return LLUnit<STORAGE_TYPE, UNIT_TYPE>((STORAGE_TYPE)(first.value() * second));
}
template<typename STORAGE_TYPE1, typename UNIT_TYPE1, typename STORAGE_TYPE2, typename UNIT_TYPE2>
LLUnit<STORAGE_TYPE1, UNIT_TYPE1> operator * (LLUnit<STORAGE_TYPE1, UNIT_TYPE1>, LLUnit<STORAGE_TYPE2, UNIT_TYPE2>)
{
// spurious use of dependent type to stop gcc from triggering the static assertion before instantiating the template
LL_BAD_TEMPLATE_INSTANTIATION(STORAGE_TYPE1, "Multiplication of unit types results in new unit type - not supported.");
return LLUnit<STORAGE_TYPE1, UNIT_TYPE1>();
}
template<typename STORAGE_TYPE, typename UNIT_TYPE, typename SCALAR_TYPE>
LLUnitImplicit<STORAGE_TYPE, UNIT_TYPE> operator * (SCALAR_TYPE first, LLUnitImplicit<STORAGE_TYPE, UNIT_TYPE> second)
{
return LLUnitImplicit<STORAGE_TYPE, UNIT_TYPE>(first * second.value());
}
template<typename STORAGE_TYPE, typename UNIT_TYPE, typename SCALAR_TYPE>
LLUnitImplicit<STORAGE_TYPE, UNIT_TYPE> operator * (LLUnitImplicit<STORAGE_TYPE, UNIT_TYPE> first, SCALAR_TYPE second)
{
return LLUnitImplicit<STORAGE_TYPE, UNIT_TYPE>(first.value() * second);
}
template<typename STORAGE_TYPE1, typename UNIT_TYPE1, typename STORAGE_TYPE2, typename UNIT_TYPE2>
LLUnitImplicit<STORAGE_TYPE1, UNIT_TYPE1> operator * (LLUnitImplicit<STORAGE_TYPE1, UNIT_TYPE1>, LLUnitImplicit<STORAGE_TYPE2, UNIT_TYPE2>)
{
// spurious use of dependent type to stop gcc from triggering the static assertion before instantiating the template
LL_BAD_TEMPLATE_INSTANTIATION(STORAGE_TYPE1, "Multiplication of unit types results in new unit type - not supported.");
return LLUnitImplicit<STORAGE_TYPE1, UNIT_TYPE1>();
}
//
// operator /
//
template<typename STORAGE_TYPE, typename UNIT_TYPE, typename SCALAR_TYPE>
SCALAR_TYPE operator / (SCALAR_TYPE first, LLUnit<STORAGE_TYPE, UNIT_TYPE> second)
{
return SCALAR_TYPE(first / second.value());
}
template<typename STORAGE_TYPE, typename UNIT_TYPE, typename SCALAR_TYPE>
LLUnit<STORAGE_TYPE, UNIT_TYPE> operator / (LLUnit<STORAGE_TYPE, UNIT_TYPE> first, SCALAR_TYPE second)
{
return LLUnit<STORAGE_TYPE, UNIT_TYPE>((STORAGE_TYPE)(first.value() / second));
}
template<typename STORAGE_TYPE1, typename UNIT_TYPE1, typename STORAGE_TYPE2, typename UNIT_TYPE2>
STORAGE_TYPE1 operator / (LLUnit<STORAGE_TYPE1, UNIT_TYPE1> first, LLUnit<STORAGE_TYPE2, UNIT_TYPE2> second)
{
return STORAGE_TYPE1(first.value() / first.convert(second));
}
template<typename STORAGE_TYPE, typename UNIT_TYPE, typename SCALAR_TYPE>
LLUnitImplicit<STORAGE_TYPE, UNIT_TYPE> operator / (LLUnitImplicit<STORAGE_TYPE, UNIT_TYPE> first, SCALAR_TYPE second)
{
return LLUnitImplicit<STORAGE_TYPE, UNIT_TYPE>((STORAGE_TYPE)(first.value() / second));
}
template<typename STORAGE_TYPE1, typename UNIT_TYPE1, typename STORAGE_TYPE2, typename UNIT_TYPE2>
STORAGE_TYPE1 operator / (LLUnitImplicit<STORAGE_TYPE1, UNIT_TYPE1> first, LLUnitImplicit<STORAGE_TYPE2, UNIT_TYPE2> second)
{
return STORAGE_TYPE1(first.value() / first.convert(second));
}
#define COMPARISON_OPERATORS(op) \
template<typename STORAGE_TYPE, typename UNIT_TYPE, typename SCALAR_TYPE> \
bool operator op (SCALAR_TYPE first, LLUnit<STORAGE_TYPE, UNIT_TYPE> second) \
{ \
return first op second.value(); \
} \
\
template<typename STORAGE_TYPE, typename UNIT_TYPE, typename SCALAR_TYPE> \
bool operator op (LLUnit<STORAGE_TYPE, UNIT_TYPE> first, SCALAR_TYPE second) \
{ \
return first.value() op second; \
} \
\
template<typename STORAGE_TYPE1, typename UNIT_TYPE1, typename STORAGE_TYPE2, typename UNIT_TYPE2> \
bool operator op (LLUnitImplicit<STORAGE_TYPE1, UNIT_TYPE1> first, LLUnitImplicit<STORAGE_TYPE2, UNIT_TYPE2> second) \
{ \
return first.value() op first.convert(second); \
} \
\
template<typename STORAGE_TYPE1, typename UNIT_TYPE1, typename STORAGE_TYPE2, typename UNIT_TYPE2> \
bool operator op (LLUnit<STORAGE_TYPE1, UNIT_TYPE1> first, LLUnit<STORAGE_TYPE2, UNIT_TYPE2> second) \
{ \
return first.value() op first.convert(second); \
}
COMPARISON_OPERATORS(<)
COMPARISON_OPERATORS(<=)
COMPARISON_OPERATORS(>)
COMPARISON_OPERATORS(>=)
COMPARISON_OPERATORS(==)
COMPARISON_OPERATORS(!=)
template<typename T>
struct LLGetUnitLabel
{
static const char* getUnitLabel() { return ""; }
};
template<typename T, typename STORAGE_T>
struct LLGetUnitLabel<LLUnit<STORAGE_T, T> >
{
static const char* getUnitLabel() { return T::getUnitLabel(); }
};
template<typename VALUE_TYPE>
struct LLUnitLinearOps
{
typedef LLUnitLinearOps<VALUE_TYPE> self_t;
LLUnitLinearOps(VALUE_TYPE val) : mValue (val) {}
operator VALUE_TYPE() const { return mValue; }
VALUE_TYPE mValue;
template<typename T>
self_t operator * (T other)
{
return mValue * other;
}
template<typename T>
self_t operator / (T other)
{
return mValue / other;
}
template<typename T>
self_t operator + (T other)
{
return mValue + other;
}
template<typename T>
self_t operator - (T other)
{
return mValue - other;
}
};
template<typename VALUE_TYPE>
struct LLUnitInverseLinearOps
{
typedef LLUnitInverseLinearOps<VALUE_TYPE> self_t;
LLUnitInverseLinearOps(VALUE_TYPE val) : mValue (val) {}
operator VALUE_TYPE() const { return mValue; }
VALUE_TYPE mValue;
template<typename T>
self_t operator * (T other)
{
return mValue / other;
}
template<typename T>
self_t operator / (T other)
{
return mValue * other;
}
template<typename T>
self_t operator + (T other)
{
return mValue - other;
}
template<typename T>
self_t operator - (T other)
{
return mValue + other;
}
};
#define LL_DECLARE_BASE_UNIT(base_unit_name, unit_label) \
struct base_unit_name { typedef base_unit_name base_unit_t; static const char* getUnitLabel() { return unit_label; }}
#define LL_DECLARE_DERIVED_UNIT(unit_name, unit_label, base_unit_name, conversion_operation) \
struct unit_name \
{ \
typedef base_unit_name base_unit_t; \
static const char* getUnitLabel() { return unit_label; } \
}; \
\
template<typename S1, typename S2> \
void ll_convert_units(LLUnit<S1, unit_name> in, LLUnit<S2, base_unit_name>& out) \
{ \
out = (S2)(LLUnitLinearOps<S1>(in.value()) conversion_operation).mValue; \
} \
\
template<typename S1, typename S2> \
void ll_convert_units(LLUnit<S1, base_unit_name> in, LLUnit<S2, unit_name>& out) \
{ \
out = (S2)(LLUnitInverseLinearOps<S1>(in.value()) conversion_operation).mValue; \
}
//
// Unit declarations
//
namespace LLUnits
{
LL_DECLARE_BASE_UNIT(Bytes, "B");
LL_DECLARE_DERIVED_UNIT(Kilobytes, "KB", Bytes, * 1000);
LL_DECLARE_DERIVED_UNIT(Megabytes, "MB", Kilobytes, * 1000);
LL_DECLARE_DERIVED_UNIT(Gigabytes, "GB", Megabytes, * 1000);
LL_DECLARE_DERIVED_UNIT(Kibibytes, "KiB", Bytes, * 1024);
LL_DECLARE_DERIVED_UNIT(Mibibytes, "MiB", Kibibytes, * 1024);
LL_DECLARE_DERIVED_UNIT(Gibibytes, "GiB", Mibibytes, * 1024);
LL_DECLARE_DERIVED_UNIT(Bits, "b", Bytes, / 8);
LL_DECLARE_DERIVED_UNIT(Kilobits, "Kb", Bytes, * 1000 / 8);
LL_DECLARE_DERIVED_UNIT(Megabits, "Mb", Kilobits, * 1000 / 8);
LL_DECLARE_DERIVED_UNIT(Gigabits, "Gb", Megabits, * 1000 / 8);
LL_DECLARE_DERIVED_UNIT(Kibibits, "Kib", Bytes, * 1024 / 8);
LL_DECLARE_DERIVED_UNIT(Mibibits, "Mib", Kibibits, * 1024 / 8);
LL_DECLARE_DERIVED_UNIT(Gibibits, "Gib", Mibibits, * 1024 / 8);
LL_DECLARE_BASE_UNIT(Seconds, "s");
LL_DECLARE_DERIVED_UNIT(Minutes, "min", Seconds, * 60);
LL_DECLARE_DERIVED_UNIT(Hours, "h", Seconds, * 60 * 60);
LL_DECLARE_DERIVED_UNIT(Milliseconds, "ms", Seconds, / 1000);
LL_DECLARE_DERIVED_UNIT(Microseconds, "\x09\x3cs", Milliseconds, / 1000);
LL_DECLARE_DERIVED_UNIT(Nanoseconds, "ns", Microseconds, / 1000);
LL_DECLARE_BASE_UNIT(Meters, "m");
LL_DECLARE_DERIVED_UNIT(Kilometers, "km", Meters, * 1000);
LL_DECLARE_DERIVED_UNIT(Centimeters, "cm", Meters, / 100);
LL_DECLARE_DERIVED_UNIT(Millimeters, "mm", Meters, / 1000);
LL_DECLARE_BASE_UNIT(Hertz, "Hz");
LL_DECLARE_DERIVED_UNIT(Kilohertz, "KHz", Hertz, * 1000);
LL_DECLARE_DERIVED_UNIT(Megahertz, "MHz", Kilohertz, * 1000);
LL_DECLARE_DERIVED_UNIT(Gigahertz, "GHz", Megahertz, * 1000);
LL_DECLARE_BASE_UNIT(Radians, "rad");
LL_DECLARE_DERIVED_UNIT(Degrees, "deg", Radians, * 0.01745329251994);
} // namespace LLUnits
#endif // LL_LLUNIT_H
|
