1 | module.exports = Long;
|
---|
2 |
|
---|
3 | /**
|
---|
4 | * wasm optimizations, to do native i64 multiplication and divide
|
---|
5 | */
|
---|
6 | var wasm = null;
|
---|
7 |
|
---|
8 | try {
|
---|
9 | wasm = new WebAssembly.Instance(new WebAssembly.Module(new Uint8Array([
|
---|
10 | 0, 97, 115, 109, 1, 0, 0, 0, 1, 13, 2, 96, 0, 1, 127, 96, 4, 127, 127, 127, 127, 1, 127, 3, 7, 6, 0, 1, 1, 1, 1, 1, 6, 6, 1, 127, 1, 65, 0, 11, 7, 50, 6, 3, 109, 117, 108, 0, 1, 5, 100, 105, 118, 95, 115, 0, 2, 5, 100, 105, 118, 95, 117, 0, 3, 5, 114, 101, 109, 95, 115, 0, 4, 5, 114, 101, 109, 95, 117, 0, 5, 8, 103, 101, 116, 95, 104, 105, 103, 104, 0, 0, 10, 191, 1, 6, 4, 0, 35, 0, 11, 36, 1, 1, 126, 32, 0, 173, 32, 1, 173, 66, 32, 134, 132, 32, 2, 173, 32, 3, 173, 66, 32, 134, 132, 126, 34, 4, 66, 32, 135, 167, 36, 0, 32, 4, 167, 11, 36, 1, 1, 126, 32, 0, 173, 32, 1, 173, 66, 32, 134, 132, 32, 2, 173, 32, 3, 173, 66, 32, 134, 132, 127, 34, 4, 66, 32, 135, 167, 36, 0, 32, 4, 167, 11, 36, 1, 1, 126, 32, 0, 173, 32, 1, 173, 66, 32, 134, 132, 32, 2, 173, 32, 3, 173, 66, 32, 134, 132, 128, 34, 4, 66, 32, 135, 167, 36, 0, 32, 4, 167, 11, 36, 1, 1, 126, 32, 0, 173, 32, 1, 173, 66, 32, 134, 132, 32, 2, 173, 32, 3, 173, 66, 32, 134, 132, 129, 34, 4, 66, 32, 135, 167, 36, 0, 32, 4, 167, 11, 36, 1, 1, 126, 32, 0, 173, 32, 1, 173, 66, 32, 134, 132, 32, 2, 173, 32, 3, 173, 66, 32, 134, 132, 130, 34, 4, 66, 32, 135, 167, 36, 0, 32, 4, 167, 11
|
---|
11 | ])), {}).exports;
|
---|
12 | } catch (e) {
|
---|
13 | // no wasm support :(
|
---|
14 | }
|
---|
15 |
|
---|
16 | /**
|
---|
17 | * Constructs a 64 bit two's-complement integer, given its low and high 32 bit values as *signed* integers.
|
---|
18 | * See the from* functions below for more convenient ways of constructing Longs.
|
---|
19 | * @exports Long
|
---|
20 | * @class A Long class for representing a 64 bit two's-complement integer value.
|
---|
21 | * @param {number} low The low (signed) 32 bits of the long
|
---|
22 | * @param {number} high The high (signed) 32 bits of the long
|
---|
23 | * @param {boolean=} unsigned Whether unsigned or not, defaults to signed
|
---|
24 | * @constructor
|
---|
25 | */
|
---|
26 | function Long(low, high, unsigned) {
|
---|
27 |
|
---|
28 | /**
|
---|
29 | * The low 32 bits as a signed value.
|
---|
30 | * @type {number}
|
---|
31 | */
|
---|
32 | this.low = low | 0;
|
---|
33 |
|
---|
34 | /**
|
---|
35 | * The high 32 bits as a signed value.
|
---|
36 | * @type {number}
|
---|
37 | */
|
---|
38 | this.high = high | 0;
|
---|
39 |
|
---|
40 | /**
|
---|
41 | * Whether unsigned or not.
|
---|
42 | * @type {boolean}
|
---|
43 | */
|
---|
44 | this.unsigned = !!unsigned;
|
---|
45 | }
|
---|
46 |
|
---|
47 | // The internal representation of a long is the two given signed, 32-bit values.
|
---|
48 | // We use 32-bit pieces because these are the size of integers on which
|
---|
49 | // Javascript performs bit-operations. For operations like addition and
|
---|
50 | // multiplication, we split each number into 16 bit pieces, which can easily be
|
---|
51 | // multiplied within Javascript's floating-point representation without overflow
|
---|
52 | // or change in sign.
|
---|
53 | //
|
---|
54 | // In the algorithms below, we frequently reduce the negative case to the
|
---|
55 | // positive case by negating the input(s) and then post-processing the result.
|
---|
56 | // Note that we must ALWAYS check specially whether those values are MIN_VALUE
|
---|
57 | // (-2^63) because -MIN_VALUE == MIN_VALUE (since 2^63 cannot be represented as
|
---|
58 | // a positive number, it overflows back into a negative). Not handling this
|
---|
59 | // case would often result in infinite recursion.
|
---|
60 | //
|
---|
61 | // Common constant values ZERO, ONE, NEG_ONE, etc. are defined below the from*
|
---|
62 | // methods on which they depend.
|
---|
63 |
|
---|
64 | /**
|
---|
65 | * An indicator used to reliably determine if an object is a Long or not.
|
---|
66 | * @type {boolean}
|
---|
67 | * @const
|
---|
68 | * @private
|
---|
69 | */
|
---|
70 | Long.prototype.__isLong__;
|
---|
71 |
|
---|
72 | Object.defineProperty(Long.prototype, "__isLong__", { value: true });
|
---|
73 |
|
---|
74 | /**
|
---|
75 | * @function
|
---|
76 | * @param {*} obj Object
|
---|
77 | * @returns {boolean}
|
---|
78 | * @inner
|
---|
79 | */
|
---|
80 | function isLong(obj) {
|
---|
81 | return (obj && obj["__isLong__"]) === true;
|
---|
82 | }
|
---|
83 |
|
---|
84 | /**
|
---|
85 | * Tests if the specified object is a Long.
|
---|
86 | * @function
|
---|
87 | * @param {*} obj Object
|
---|
88 | * @returns {boolean}
|
---|
89 | */
|
---|
90 | Long.isLong = isLong;
|
---|
91 |
|
---|
92 | /**
|
---|
93 | * A cache of the Long representations of small integer values.
|
---|
94 | * @type {!Object}
|
---|
95 | * @inner
|
---|
96 | */
|
---|
97 | var INT_CACHE = {};
|
---|
98 |
|
---|
99 | /**
|
---|
100 | * A cache of the Long representations of small unsigned integer values.
|
---|
101 | * @type {!Object}
|
---|
102 | * @inner
|
---|
103 | */
|
---|
104 | var UINT_CACHE = {};
|
---|
105 |
|
---|
106 | /**
|
---|
107 | * @param {number} value
|
---|
108 | * @param {boolean=} unsigned
|
---|
109 | * @returns {!Long}
|
---|
110 | * @inner
|
---|
111 | */
|
---|
112 | function fromInt(value, unsigned) {
|
---|
113 | var obj, cachedObj, cache;
|
---|
114 | if (unsigned) {
|
---|
115 | value >>>= 0;
|
---|
116 | if (cache = (0 <= value && value < 256)) {
|
---|
117 | cachedObj = UINT_CACHE[value];
|
---|
118 | if (cachedObj)
|
---|
119 | return cachedObj;
|
---|
120 | }
|
---|
121 | obj = fromBits(value, (value | 0) < 0 ? -1 : 0, true);
|
---|
122 | if (cache)
|
---|
123 | UINT_CACHE[value] = obj;
|
---|
124 | return obj;
|
---|
125 | } else {
|
---|
126 | value |= 0;
|
---|
127 | if (cache = (-128 <= value && value < 128)) {
|
---|
128 | cachedObj = INT_CACHE[value];
|
---|
129 | if (cachedObj)
|
---|
130 | return cachedObj;
|
---|
131 | }
|
---|
132 | obj = fromBits(value, value < 0 ? -1 : 0, false);
|
---|
133 | if (cache)
|
---|
134 | INT_CACHE[value] = obj;
|
---|
135 | return obj;
|
---|
136 | }
|
---|
137 | }
|
---|
138 |
|
---|
139 | /**
|
---|
140 | * Returns a Long representing the given 32 bit integer value.
|
---|
141 | * @function
|
---|
142 | * @param {number} value The 32 bit integer in question
|
---|
143 | * @param {boolean=} unsigned Whether unsigned or not, defaults to signed
|
---|
144 | * @returns {!Long} The corresponding Long value
|
---|
145 | */
|
---|
146 | Long.fromInt = fromInt;
|
---|
147 |
|
---|
148 | /**
|
---|
149 | * @param {number} value
|
---|
150 | * @param {boolean=} unsigned
|
---|
151 | * @returns {!Long}
|
---|
152 | * @inner
|
---|
153 | */
|
---|
154 | function fromNumber(value, unsigned) {
|
---|
155 | if (isNaN(value))
|
---|
156 | return unsigned ? UZERO : ZERO;
|
---|
157 | if (unsigned) {
|
---|
158 | if (value < 0)
|
---|
159 | return UZERO;
|
---|
160 | if (value >= TWO_PWR_64_DBL)
|
---|
161 | return MAX_UNSIGNED_VALUE;
|
---|
162 | } else {
|
---|
163 | if (value <= -TWO_PWR_63_DBL)
|
---|
164 | return MIN_VALUE;
|
---|
165 | if (value + 1 >= TWO_PWR_63_DBL)
|
---|
166 | return MAX_VALUE;
|
---|
167 | }
|
---|
168 | if (value < 0)
|
---|
169 | return fromNumber(-value, unsigned).neg();
|
---|
170 | return fromBits((value % TWO_PWR_32_DBL) | 0, (value / TWO_PWR_32_DBL) | 0, unsigned);
|
---|
171 | }
|
---|
172 |
|
---|
173 | /**
|
---|
174 | * Returns a Long representing the given value, provided that it is a finite number. Otherwise, zero is returned.
|
---|
175 | * @function
|
---|
176 | * @param {number} value The number in question
|
---|
177 | * @param {boolean=} unsigned Whether unsigned or not, defaults to signed
|
---|
178 | * @returns {!Long} The corresponding Long value
|
---|
179 | */
|
---|
180 | Long.fromNumber = fromNumber;
|
---|
181 |
|
---|
182 | /**
|
---|
183 | * @param {number} lowBits
|
---|
184 | * @param {number} highBits
|
---|
185 | * @param {boolean=} unsigned
|
---|
186 | * @returns {!Long}
|
---|
187 | * @inner
|
---|
188 | */
|
---|
189 | function fromBits(lowBits, highBits, unsigned) {
|
---|
190 | return new Long(lowBits, highBits, unsigned);
|
---|
191 | }
|
---|
192 |
|
---|
193 | /**
|
---|
194 | * Returns a Long representing the 64 bit integer that comes by concatenating the given low and high bits. Each is
|
---|
195 | * assumed to use 32 bits.
|
---|
196 | * @function
|
---|
197 | * @param {number} lowBits The low 32 bits
|
---|
198 | * @param {number} highBits The high 32 bits
|
---|
199 | * @param {boolean=} unsigned Whether unsigned or not, defaults to signed
|
---|
200 | * @returns {!Long} The corresponding Long value
|
---|
201 | */
|
---|
202 | Long.fromBits = fromBits;
|
---|
203 |
|
---|
204 | /**
|
---|
205 | * @function
|
---|
206 | * @param {number} base
|
---|
207 | * @param {number} exponent
|
---|
208 | * @returns {number}
|
---|
209 | * @inner
|
---|
210 | */
|
---|
211 | var pow_dbl = Math.pow; // Used 4 times (4*8 to 15+4)
|
---|
212 |
|
---|
213 | /**
|
---|
214 | * @param {string} str
|
---|
215 | * @param {(boolean|number)=} unsigned
|
---|
216 | * @param {number=} radix
|
---|
217 | * @returns {!Long}
|
---|
218 | * @inner
|
---|
219 | */
|
---|
220 | function fromString(str, unsigned, radix) {
|
---|
221 | if (str.length === 0)
|
---|
222 | throw Error('empty string');
|
---|
223 | if (str === "NaN" || str === "Infinity" || str === "+Infinity" || str === "-Infinity")
|
---|
224 | return ZERO;
|
---|
225 | if (typeof unsigned === 'number') {
|
---|
226 | // For goog.math.long compatibility
|
---|
227 | radix = unsigned,
|
---|
228 | unsigned = false;
|
---|
229 | } else {
|
---|
230 | unsigned = !! unsigned;
|
---|
231 | }
|
---|
232 | radix = radix || 10;
|
---|
233 | if (radix < 2 || 36 < radix)
|
---|
234 | throw RangeError('radix');
|
---|
235 |
|
---|
236 | var p;
|
---|
237 | if ((p = str.indexOf('-')) > 0)
|
---|
238 | throw Error('interior hyphen');
|
---|
239 | else if (p === 0) {
|
---|
240 | return fromString(str.substring(1), unsigned, radix).neg();
|
---|
241 | }
|
---|
242 |
|
---|
243 | // Do several (8) digits each time through the loop, so as to
|
---|
244 | // minimize the calls to the very expensive emulated div.
|
---|
245 | var radixToPower = fromNumber(pow_dbl(radix, 8));
|
---|
246 |
|
---|
247 | var result = ZERO;
|
---|
248 | for (var i = 0; i < str.length; i += 8) {
|
---|
249 | var size = Math.min(8, str.length - i),
|
---|
250 | value = parseInt(str.substring(i, i + size), radix);
|
---|
251 | if (size < 8) {
|
---|
252 | var power = fromNumber(pow_dbl(radix, size));
|
---|
253 | result = result.mul(power).add(fromNumber(value));
|
---|
254 | } else {
|
---|
255 | result = result.mul(radixToPower);
|
---|
256 | result = result.add(fromNumber(value));
|
---|
257 | }
|
---|
258 | }
|
---|
259 | result.unsigned = unsigned;
|
---|
260 | return result;
|
---|
261 | }
|
---|
262 |
|
---|
263 | /**
|
---|
264 | * Returns a Long representation of the given string, written using the specified radix.
|
---|
265 | * @function
|
---|
266 | * @param {string} str The textual representation of the Long
|
---|
267 | * @param {(boolean|number)=} unsigned Whether unsigned or not, defaults to signed
|
---|
268 | * @param {number=} radix The radix in which the text is written (2-36), defaults to 10
|
---|
269 | * @returns {!Long} The corresponding Long value
|
---|
270 | */
|
---|
271 | Long.fromString = fromString;
|
---|
272 |
|
---|
273 | /**
|
---|
274 | * @function
|
---|
275 | * @param {!Long|number|string|!{low: number, high: number, unsigned: boolean}} val
|
---|
276 | * @param {boolean=} unsigned
|
---|
277 | * @returns {!Long}
|
---|
278 | * @inner
|
---|
279 | */
|
---|
280 | function fromValue(val, unsigned) {
|
---|
281 | if (typeof val === 'number')
|
---|
282 | return fromNumber(val, unsigned);
|
---|
283 | if (typeof val === 'string')
|
---|
284 | return fromString(val, unsigned);
|
---|
285 | // Throws for non-objects, converts non-instanceof Long:
|
---|
286 | return fromBits(val.low, val.high, typeof unsigned === 'boolean' ? unsigned : val.unsigned);
|
---|
287 | }
|
---|
288 |
|
---|
289 | /**
|
---|
290 | * Converts the specified value to a Long using the appropriate from* function for its type.
|
---|
291 | * @function
|
---|
292 | * @param {!Long|number|string|!{low: number, high: number, unsigned: boolean}} val Value
|
---|
293 | * @param {boolean=} unsigned Whether unsigned or not, defaults to signed
|
---|
294 | * @returns {!Long}
|
---|
295 | */
|
---|
296 | Long.fromValue = fromValue;
|
---|
297 |
|
---|
298 | // NOTE: the compiler should inline these constant values below and then remove these variables, so there should be
|
---|
299 | // no runtime penalty for these.
|
---|
300 |
|
---|
301 | /**
|
---|
302 | * @type {number}
|
---|
303 | * @const
|
---|
304 | * @inner
|
---|
305 | */
|
---|
306 | var TWO_PWR_16_DBL = 1 << 16;
|
---|
307 |
|
---|
308 | /**
|
---|
309 | * @type {number}
|
---|
310 | * @const
|
---|
311 | * @inner
|
---|
312 | */
|
---|
313 | var TWO_PWR_24_DBL = 1 << 24;
|
---|
314 |
|
---|
315 | /**
|
---|
316 | * @type {number}
|
---|
317 | * @const
|
---|
318 | * @inner
|
---|
319 | */
|
---|
320 | var TWO_PWR_32_DBL = TWO_PWR_16_DBL * TWO_PWR_16_DBL;
|
---|
321 |
|
---|
322 | /**
|
---|
323 | * @type {number}
|
---|
324 | * @const
|
---|
325 | * @inner
|
---|
326 | */
|
---|
327 | var TWO_PWR_64_DBL = TWO_PWR_32_DBL * TWO_PWR_32_DBL;
|
---|
328 |
|
---|
329 | /**
|
---|
330 | * @type {number}
|
---|
331 | * @const
|
---|
332 | * @inner
|
---|
333 | */
|
---|
334 | var TWO_PWR_63_DBL = TWO_PWR_64_DBL / 2;
|
---|
335 |
|
---|
336 | /**
|
---|
337 | * @type {!Long}
|
---|
338 | * @const
|
---|
339 | * @inner
|
---|
340 | */
|
---|
341 | var TWO_PWR_24 = fromInt(TWO_PWR_24_DBL);
|
---|
342 |
|
---|
343 | /**
|
---|
344 | * @type {!Long}
|
---|
345 | * @inner
|
---|
346 | */
|
---|
347 | var ZERO = fromInt(0);
|
---|
348 |
|
---|
349 | /**
|
---|
350 | * Signed zero.
|
---|
351 | * @type {!Long}
|
---|
352 | */
|
---|
353 | Long.ZERO = ZERO;
|
---|
354 |
|
---|
355 | /**
|
---|
356 | * @type {!Long}
|
---|
357 | * @inner
|
---|
358 | */
|
---|
359 | var UZERO = fromInt(0, true);
|
---|
360 |
|
---|
361 | /**
|
---|
362 | * Unsigned zero.
|
---|
363 | * @type {!Long}
|
---|
364 | */
|
---|
365 | Long.UZERO = UZERO;
|
---|
366 |
|
---|
367 | /**
|
---|
368 | * @type {!Long}
|
---|
369 | * @inner
|
---|
370 | */
|
---|
371 | var ONE = fromInt(1);
|
---|
372 |
|
---|
373 | /**
|
---|
374 | * Signed one.
|
---|
375 | * @type {!Long}
|
---|
376 | */
|
---|
377 | Long.ONE = ONE;
|
---|
378 |
|
---|
379 | /**
|
---|
380 | * @type {!Long}
|
---|
381 | * @inner
|
---|
382 | */
|
---|
383 | var UONE = fromInt(1, true);
|
---|
384 |
|
---|
385 | /**
|
---|
386 | * Unsigned one.
|
---|
387 | * @type {!Long}
|
---|
388 | */
|
---|
389 | Long.UONE = UONE;
|
---|
390 |
|
---|
391 | /**
|
---|
392 | * @type {!Long}
|
---|
393 | * @inner
|
---|
394 | */
|
---|
395 | var NEG_ONE = fromInt(-1);
|
---|
396 |
|
---|
397 | /**
|
---|
398 | * Signed negative one.
|
---|
399 | * @type {!Long}
|
---|
400 | */
|
---|
401 | Long.NEG_ONE = NEG_ONE;
|
---|
402 |
|
---|
403 | /**
|
---|
404 | * @type {!Long}
|
---|
405 | * @inner
|
---|
406 | */
|
---|
407 | var MAX_VALUE = fromBits(0xFFFFFFFF|0, 0x7FFFFFFF|0, false);
|
---|
408 |
|
---|
409 | /**
|
---|
410 | * Maximum signed value.
|
---|
411 | * @type {!Long}
|
---|
412 | */
|
---|
413 | Long.MAX_VALUE = MAX_VALUE;
|
---|
414 |
|
---|
415 | /**
|
---|
416 | * @type {!Long}
|
---|
417 | * @inner
|
---|
418 | */
|
---|
419 | var MAX_UNSIGNED_VALUE = fromBits(0xFFFFFFFF|0, 0xFFFFFFFF|0, true);
|
---|
420 |
|
---|
421 | /**
|
---|
422 | * Maximum unsigned value.
|
---|
423 | * @type {!Long}
|
---|
424 | */
|
---|
425 | Long.MAX_UNSIGNED_VALUE = MAX_UNSIGNED_VALUE;
|
---|
426 |
|
---|
427 | /**
|
---|
428 | * @type {!Long}
|
---|
429 | * @inner
|
---|
430 | */
|
---|
431 | var MIN_VALUE = fromBits(0, 0x80000000|0, false);
|
---|
432 |
|
---|
433 | /**
|
---|
434 | * Minimum signed value.
|
---|
435 | * @type {!Long}
|
---|
436 | */
|
---|
437 | Long.MIN_VALUE = MIN_VALUE;
|
---|
438 |
|
---|
439 | /**
|
---|
440 | * @alias Long.prototype
|
---|
441 | * @inner
|
---|
442 | */
|
---|
443 | var LongPrototype = Long.prototype;
|
---|
444 |
|
---|
445 | /**
|
---|
446 | * Converts the Long to a 32 bit integer, assuming it is a 32 bit integer.
|
---|
447 | * @this {!Long}
|
---|
448 | * @returns {number}
|
---|
449 | */
|
---|
450 | LongPrototype.toInt = function toInt() {
|
---|
451 | return this.unsigned ? this.low >>> 0 : this.low;
|
---|
452 | };
|
---|
453 |
|
---|
454 | /**
|
---|
455 | * Converts the Long to a the nearest floating-point representation of this value (double, 53 bit mantissa).
|
---|
456 | * @this {!Long}
|
---|
457 | * @returns {number}
|
---|
458 | */
|
---|
459 | LongPrototype.toNumber = function toNumber() {
|
---|
460 | if (this.unsigned)
|
---|
461 | return ((this.high >>> 0) * TWO_PWR_32_DBL) + (this.low >>> 0);
|
---|
462 | return this.high * TWO_PWR_32_DBL + (this.low >>> 0);
|
---|
463 | };
|
---|
464 |
|
---|
465 | /**
|
---|
466 | * Converts the Long to a string written in the specified radix.
|
---|
467 | * @this {!Long}
|
---|
468 | * @param {number=} radix Radix (2-36), defaults to 10
|
---|
469 | * @returns {string}
|
---|
470 | * @override
|
---|
471 | * @throws {RangeError} If `radix` is out of range
|
---|
472 | */
|
---|
473 | LongPrototype.toString = function toString(radix) {
|
---|
474 | radix = radix || 10;
|
---|
475 | if (radix < 2 || 36 < radix)
|
---|
476 | throw RangeError('radix');
|
---|
477 | if (this.isZero())
|
---|
478 | return '0';
|
---|
479 | if (this.isNegative()) { // Unsigned Longs are never negative
|
---|
480 | if (this.eq(MIN_VALUE)) {
|
---|
481 | // We need to change the Long value before it can be negated, so we remove
|
---|
482 | // the bottom-most digit in this base and then recurse to do the rest.
|
---|
483 | var radixLong = fromNumber(radix),
|
---|
484 | div = this.div(radixLong),
|
---|
485 | rem1 = div.mul(radixLong).sub(this);
|
---|
486 | return div.toString(radix) + rem1.toInt().toString(radix);
|
---|
487 | } else
|
---|
488 | return '-' + this.neg().toString(radix);
|
---|
489 | }
|
---|
490 |
|
---|
491 | // Do several (6) digits each time through the loop, so as to
|
---|
492 | // minimize the calls to the very expensive emulated div.
|
---|
493 | var radixToPower = fromNumber(pow_dbl(radix, 6), this.unsigned),
|
---|
494 | rem = this;
|
---|
495 | var result = '';
|
---|
496 | while (true) {
|
---|
497 | var remDiv = rem.div(radixToPower),
|
---|
498 | intval = rem.sub(remDiv.mul(radixToPower)).toInt() >>> 0,
|
---|
499 | digits = intval.toString(radix);
|
---|
500 | rem = remDiv;
|
---|
501 | if (rem.isZero())
|
---|
502 | return digits + result;
|
---|
503 | else {
|
---|
504 | while (digits.length < 6)
|
---|
505 | digits = '0' + digits;
|
---|
506 | result = '' + digits + result;
|
---|
507 | }
|
---|
508 | }
|
---|
509 | };
|
---|
510 |
|
---|
511 | /**
|
---|
512 | * Gets the high 32 bits as a signed integer.
|
---|
513 | * @this {!Long}
|
---|
514 | * @returns {number} Signed high bits
|
---|
515 | */
|
---|
516 | LongPrototype.getHighBits = function getHighBits() {
|
---|
517 | return this.high;
|
---|
518 | };
|
---|
519 |
|
---|
520 | /**
|
---|
521 | * Gets the high 32 bits as an unsigned integer.
|
---|
522 | * @this {!Long}
|
---|
523 | * @returns {number} Unsigned high bits
|
---|
524 | */
|
---|
525 | LongPrototype.getHighBitsUnsigned = function getHighBitsUnsigned() {
|
---|
526 | return this.high >>> 0;
|
---|
527 | };
|
---|
528 |
|
---|
529 | /**
|
---|
530 | * Gets the low 32 bits as a signed integer.
|
---|
531 | * @this {!Long}
|
---|
532 | * @returns {number} Signed low bits
|
---|
533 | */
|
---|
534 | LongPrototype.getLowBits = function getLowBits() {
|
---|
535 | return this.low;
|
---|
536 | };
|
---|
537 |
|
---|
538 | /**
|
---|
539 | * Gets the low 32 bits as an unsigned integer.
|
---|
540 | * @this {!Long}
|
---|
541 | * @returns {number} Unsigned low bits
|
---|
542 | */
|
---|
543 | LongPrototype.getLowBitsUnsigned = function getLowBitsUnsigned() {
|
---|
544 | return this.low >>> 0;
|
---|
545 | };
|
---|
546 |
|
---|
547 | /**
|
---|
548 | * Gets the number of bits needed to represent the absolute value of this Long.
|
---|
549 | * @this {!Long}
|
---|
550 | * @returns {number}
|
---|
551 | */
|
---|
552 | LongPrototype.getNumBitsAbs = function getNumBitsAbs() {
|
---|
553 | if (this.isNegative()) // Unsigned Longs are never negative
|
---|
554 | return this.eq(MIN_VALUE) ? 64 : this.neg().getNumBitsAbs();
|
---|
555 | var val = this.high != 0 ? this.high : this.low;
|
---|
556 | for (var bit = 31; bit > 0; bit--)
|
---|
557 | if ((val & (1 << bit)) != 0)
|
---|
558 | break;
|
---|
559 | return this.high != 0 ? bit + 33 : bit + 1;
|
---|
560 | };
|
---|
561 |
|
---|
562 | /**
|
---|
563 | * Tests if this Long's value equals zero.
|
---|
564 | * @this {!Long}
|
---|
565 | * @returns {boolean}
|
---|
566 | */
|
---|
567 | LongPrototype.isZero = function isZero() {
|
---|
568 | return this.high === 0 && this.low === 0;
|
---|
569 | };
|
---|
570 |
|
---|
571 | /**
|
---|
572 | * Tests if this Long's value equals zero. This is an alias of {@link Long#isZero}.
|
---|
573 | * @returns {boolean}
|
---|
574 | */
|
---|
575 | LongPrototype.eqz = LongPrototype.isZero;
|
---|
576 |
|
---|
577 | /**
|
---|
578 | * Tests if this Long's value is negative.
|
---|
579 | * @this {!Long}
|
---|
580 | * @returns {boolean}
|
---|
581 | */
|
---|
582 | LongPrototype.isNegative = function isNegative() {
|
---|
583 | return !this.unsigned && this.high < 0;
|
---|
584 | };
|
---|
585 |
|
---|
586 | /**
|
---|
587 | * Tests if this Long's value is positive.
|
---|
588 | * @this {!Long}
|
---|
589 | * @returns {boolean}
|
---|
590 | */
|
---|
591 | LongPrototype.isPositive = function isPositive() {
|
---|
592 | return this.unsigned || this.high >= 0;
|
---|
593 | };
|
---|
594 |
|
---|
595 | /**
|
---|
596 | * Tests if this Long's value is odd.
|
---|
597 | * @this {!Long}
|
---|
598 | * @returns {boolean}
|
---|
599 | */
|
---|
600 | LongPrototype.isOdd = function isOdd() {
|
---|
601 | return (this.low & 1) === 1;
|
---|
602 | };
|
---|
603 |
|
---|
604 | /**
|
---|
605 | * Tests if this Long's value is even.
|
---|
606 | * @this {!Long}
|
---|
607 | * @returns {boolean}
|
---|
608 | */
|
---|
609 | LongPrototype.isEven = function isEven() {
|
---|
610 | return (this.low & 1) === 0;
|
---|
611 | };
|
---|
612 |
|
---|
613 | /**
|
---|
614 | * Tests if this Long's value equals the specified's.
|
---|
615 | * @this {!Long}
|
---|
616 | * @param {!Long|number|string} other Other value
|
---|
617 | * @returns {boolean}
|
---|
618 | */
|
---|
619 | LongPrototype.equals = function equals(other) {
|
---|
620 | if (!isLong(other))
|
---|
621 | other = fromValue(other);
|
---|
622 | if (this.unsigned !== other.unsigned && (this.high >>> 31) === 1 && (other.high >>> 31) === 1)
|
---|
623 | return false;
|
---|
624 | return this.high === other.high && this.low === other.low;
|
---|
625 | };
|
---|
626 |
|
---|
627 | /**
|
---|
628 | * Tests if this Long's value equals the specified's. This is an alias of {@link Long#equals}.
|
---|
629 | * @function
|
---|
630 | * @param {!Long|number|string} other Other value
|
---|
631 | * @returns {boolean}
|
---|
632 | */
|
---|
633 | LongPrototype.eq = LongPrototype.equals;
|
---|
634 |
|
---|
635 | /**
|
---|
636 | * Tests if this Long's value differs from the specified's.
|
---|
637 | * @this {!Long}
|
---|
638 | * @param {!Long|number|string} other Other value
|
---|
639 | * @returns {boolean}
|
---|
640 | */
|
---|
641 | LongPrototype.notEquals = function notEquals(other) {
|
---|
642 | return !this.eq(/* validates */ other);
|
---|
643 | };
|
---|
644 |
|
---|
645 | /**
|
---|
646 | * Tests if this Long's value differs from the specified's. This is an alias of {@link Long#notEquals}.
|
---|
647 | * @function
|
---|
648 | * @param {!Long|number|string} other Other value
|
---|
649 | * @returns {boolean}
|
---|
650 | */
|
---|
651 | LongPrototype.neq = LongPrototype.notEquals;
|
---|
652 |
|
---|
653 | /**
|
---|
654 | * Tests if this Long's value differs from the specified's. This is an alias of {@link Long#notEquals}.
|
---|
655 | * @function
|
---|
656 | * @param {!Long|number|string} other Other value
|
---|
657 | * @returns {boolean}
|
---|
658 | */
|
---|
659 | LongPrototype.ne = LongPrototype.notEquals;
|
---|
660 |
|
---|
661 | /**
|
---|
662 | * Tests if this Long's value is less than the specified's.
|
---|
663 | * @this {!Long}
|
---|
664 | * @param {!Long|number|string} other Other value
|
---|
665 | * @returns {boolean}
|
---|
666 | */
|
---|
667 | LongPrototype.lessThan = function lessThan(other) {
|
---|
668 | return this.comp(/* validates */ other) < 0;
|
---|
669 | };
|
---|
670 |
|
---|
671 | /**
|
---|
672 | * Tests if this Long's value is less than the specified's. This is an alias of {@link Long#lessThan}.
|
---|
673 | * @function
|
---|
674 | * @param {!Long|number|string} other Other value
|
---|
675 | * @returns {boolean}
|
---|
676 | */
|
---|
677 | LongPrototype.lt = LongPrototype.lessThan;
|
---|
678 |
|
---|
679 | /**
|
---|
680 | * Tests if this Long's value is less than or equal the specified's.
|
---|
681 | * @this {!Long}
|
---|
682 | * @param {!Long|number|string} other Other value
|
---|
683 | * @returns {boolean}
|
---|
684 | */
|
---|
685 | LongPrototype.lessThanOrEqual = function lessThanOrEqual(other) {
|
---|
686 | return this.comp(/* validates */ other) <= 0;
|
---|
687 | };
|
---|
688 |
|
---|
689 | /**
|
---|
690 | * Tests if this Long's value is less than or equal the specified's. This is an alias of {@link Long#lessThanOrEqual}.
|
---|
691 | * @function
|
---|
692 | * @param {!Long|number|string} other Other value
|
---|
693 | * @returns {boolean}
|
---|
694 | */
|
---|
695 | LongPrototype.lte = LongPrototype.lessThanOrEqual;
|
---|
696 |
|
---|
697 | /**
|
---|
698 | * Tests if this Long's value is less than or equal the specified's. This is an alias of {@link Long#lessThanOrEqual}.
|
---|
699 | * @function
|
---|
700 | * @param {!Long|number|string} other Other value
|
---|
701 | * @returns {boolean}
|
---|
702 | */
|
---|
703 | LongPrototype.le = LongPrototype.lessThanOrEqual;
|
---|
704 |
|
---|
705 | /**
|
---|
706 | * Tests if this Long's value is greater than the specified's.
|
---|
707 | * @this {!Long}
|
---|
708 | * @param {!Long|number|string} other Other value
|
---|
709 | * @returns {boolean}
|
---|
710 | */
|
---|
711 | LongPrototype.greaterThan = function greaterThan(other) {
|
---|
712 | return this.comp(/* validates */ other) > 0;
|
---|
713 | };
|
---|
714 |
|
---|
715 | /**
|
---|
716 | * Tests if this Long's value is greater than the specified's. This is an alias of {@link Long#greaterThan}.
|
---|
717 | * @function
|
---|
718 | * @param {!Long|number|string} other Other value
|
---|
719 | * @returns {boolean}
|
---|
720 | */
|
---|
721 | LongPrototype.gt = LongPrototype.greaterThan;
|
---|
722 |
|
---|
723 | /**
|
---|
724 | * Tests if this Long's value is greater than or equal the specified's.
|
---|
725 | * @this {!Long}
|
---|
726 | * @param {!Long|number|string} other Other value
|
---|
727 | * @returns {boolean}
|
---|
728 | */
|
---|
729 | LongPrototype.greaterThanOrEqual = function greaterThanOrEqual(other) {
|
---|
730 | return this.comp(/* validates */ other) >= 0;
|
---|
731 | };
|
---|
732 |
|
---|
733 | /**
|
---|
734 | * Tests if this Long's value is greater than or equal the specified's. This is an alias of {@link Long#greaterThanOrEqual}.
|
---|
735 | * @function
|
---|
736 | * @param {!Long|number|string} other Other value
|
---|
737 | * @returns {boolean}
|
---|
738 | */
|
---|
739 | LongPrototype.gte = LongPrototype.greaterThanOrEqual;
|
---|
740 |
|
---|
741 | /**
|
---|
742 | * Tests if this Long's value is greater than or equal the specified's. This is an alias of {@link Long#greaterThanOrEqual}.
|
---|
743 | * @function
|
---|
744 | * @param {!Long|number|string} other Other value
|
---|
745 | * @returns {boolean}
|
---|
746 | */
|
---|
747 | LongPrototype.ge = LongPrototype.greaterThanOrEqual;
|
---|
748 |
|
---|
749 | /**
|
---|
750 | * Compares this Long's value with the specified's.
|
---|
751 | * @this {!Long}
|
---|
752 | * @param {!Long|number|string} other Other value
|
---|
753 | * @returns {number} 0 if they are the same, 1 if the this is greater and -1
|
---|
754 | * if the given one is greater
|
---|
755 | */
|
---|
756 | LongPrototype.compare = function compare(other) {
|
---|
757 | if (!isLong(other))
|
---|
758 | other = fromValue(other);
|
---|
759 | if (this.eq(other))
|
---|
760 | return 0;
|
---|
761 | var thisNeg = this.isNegative(),
|
---|
762 | otherNeg = other.isNegative();
|
---|
763 | if (thisNeg && !otherNeg)
|
---|
764 | return -1;
|
---|
765 | if (!thisNeg && otherNeg)
|
---|
766 | return 1;
|
---|
767 | // At this point the sign bits are the same
|
---|
768 | if (!this.unsigned)
|
---|
769 | return this.sub(other).isNegative() ? -1 : 1;
|
---|
770 | // Both are positive if at least one is unsigned
|
---|
771 | return (other.high >>> 0) > (this.high >>> 0) || (other.high === this.high && (other.low >>> 0) > (this.low >>> 0)) ? -1 : 1;
|
---|
772 | };
|
---|
773 |
|
---|
774 | /**
|
---|
775 | * Compares this Long's value with the specified's. This is an alias of {@link Long#compare}.
|
---|
776 | * @function
|
---|
777 | * @param {!Long|number|string} other Other value
|
---|
778 | * @returns {number} 0 if they are the same, 1 if the this is greater and -1
|
---|
779 | * if the given one is greater
|
---|
780 | */
|
---|
781 | LongPrototype.comp = LongPrototype.compare;
|
---|
782 |
|
---|
783 | /**
|
---|
784 | * Negates this Long's value.
|
---|
785 | * @this {!Long}
|
---|
786 | * @returns {!Long} Negated Long
|
---|
787 | */
|
---|
788 | LongPrototype.negate = function negate() {
|
---|
789 | if (!this.unsigned && this.eq(MIN_VALUE))
|
---|
790 | return MIN_VALUE;
|
---|
791 | return this.not().add(ONE);
|
---|
792 | };
|
---|
793 |
|
---|
794 | /**
|
---|
795 | * Negates this Long's value. This is an alias of {@link Long#negate}.
|
---|
796 | * @function
|
---|
797 | * @returns {!Long} Negated Long
|
---|
798 | */
|
---|
799 | LongPrototype.neg = LongPrototype.negate;
|
---|
800 |
|
---|
801 | /**
|
---|
802 | * Returns the sum of this and the specified Long.
|
---|
803 | * @this {!Long}
|
---|
804 | * @param {!Long|number|string} addend Addend
|
---|
805 | * @returns {!Long} Sum
|
---|
806 | */
|
---|
807 | LongPrototype.add = function add(addend) {
|
---|
808 | if (!isLong(addend))
|
---|
809 | addend = fromValue(addend);
|
---|
810 |
|
---|
811 | // Divide each number into 4 chunks of 16 bits, and then sum the chunks.
|
---|
812 |
|
---|
813 | var a48 = this.high >>> 16;
|
---|
814 | var a32 = this.high & 0xFFFF;
|
---|
815 | var a16 = this.low >>> 16;
|
---|
816 | var a00 = this.low & 0xFFFF;
|
---|
817 |
|
---|
818 | var b48 = addend.high >>> 16;
|
---|
819 | var b32 = addend.high & 0xFFFF;
|
---|
820 | var b16 = addend.low >>> 16;
|
---|
821 | var b00 = addend.low & 0xFFFF;
|
---|
822 |
|
---|
823 | var c48 = 0, c32 = 0, c16 = 0, c00 = 0;
|
---|
824 | c00 += a00 + b00;
|
---|
825 | c16 += c00 >>> 16;
|
---|
826 | c00 &= 0xFFFF;
|
---|
827 | c16 += a16 + b16;
|
---|
828 | c32 += c16 >>> 16;
|
---|
829 | c16 &= 0xFFFF;
|
---|
830 | c32 += a32 + b32;
|
---|
831 | c48 += c32 >>> 16;
|
---|
832 | c32 &= 0xFFFF;
|
---|
833 | c48 += a48 + b48;
|
---|
834 | c48 &= 0xFFFF;
|
---|
835 | return fromBits((c16 << 16) | c00, (c48 << 16) | c32, this.unsigned);
|
---|
836 | };
|
---|
837 |
|
---|
838 | /**
|
---|
839 | * Returns the difference of this and the specified Long.
|
---|
840 | * @this {!Long}
|
---|
841 | * @param {!Long|number|string} subtrahend Subtrahend
|
---|
842 | * @returns {!Long} Difference
|
---|
843 | */
|
---|
844 | LongPrototype.subtract = function subtract(subtrahend) {
|
---|
845 | if (!isLong(subtrahend))
|
---|
846 | subtrahend = fromValue(subtrahend);
|
---|
847 | return this.add(subtrahend.neg());
|
---|
848 | };
|
---|
849 |
|
---|
850 | /**
|
---|
851 | * Returns the difference of this and the specified Long. This is an alias of {@link Long#subtract}.
|
---|
852 | * @function
|
---|
853 | * @param {!Long|number|string} subtrahend Subtrahend
|
---|
854 | * @returns {!Long} Difference
|
---|
855 | */
|
---|
856 | LongPrototype.sub = LongPrototype.subtract;
|
---|
857 |
|
---|
858 | /**
|
---|
859 | * Returns the product of this and the specified Long.
|
---|
860 | * @this {!Long}
|
---|
861 | * @param {!Long|number|string} multiplier Multiplier
|
---|
862 | * @returns {!Long} Product
|
---|
863 | */
|
---|
864 | LongPrototype.multiply = function multiply(multiplier) {
|
---|
865 | if (this.isZero())
|
---|
866 | return ZERO;
|
---|
867 | if (!isLong(multiplier))
|
---|
868 | multiplier = fromValue(multiplier);
|
---|
869 |
|
---|
870 | // use wasm support if present
|
---|
871 | if (wasm) {
|
---|
872 | var low = wasm["mul"](this.low,
|
---|
873 | this.high,
|
---|
874 | multiplier.low,
|
---|
875 | multiplier.high);
|
---|
876 | return fromBits(low, wasm["get_high"](), this.unsigned);
|
---|
877 | }
|
---|
878 |
|
---|
879 | if (multiplier.isZero())
|
---|
880 | return ZERO;
|
---|
881 | if (this.eq(MIN_VALUE))
|
---|
882 | return multiplier.isOdd() ? MIN_VALUE : ZERO;
|
---|
883 | if (multiplier.eq(MIN_VALUE))
|
---|
884 | return this.isOdd() ? MIN_VALUE : ZERO;
|
---|
885 |
|
---|
886 | if (this.isNegative()) {
|
---|
887 | if (multiplier.isNegative())
|
---|
888 | return this.neg().mul(multiplier.neg());
|
---|
889 | else
|
---|
890 | return this.neg().mul(multiplier).neg();
|
---|
891 | } else if (multiplier.isNegative())
|
---|
892 | return this.mul(multiplier.neg()).neg();
|
---|
893 |
|
---|
894 | // If both longs are small, use float multiplication
|
---|
895 | if (this.lt(TWO_PWR_24) && multiplier.lt(TWO_PWR_24))
|
---|
896 | return fromNumber(this.toNumber() * multiplier.toNumber(), this.unsigned);
|
---|
897 |
|
---|
898 | // Divide each long into 4 chunks of 16 bits, and then add up 4x4 products.
|
---|
899 | // We can skip products that would overflow.
|
---|
900 |
|
---|
901 | var a48 = this.high >>> 16;
|
---|
902 | var a32 = this.high & 0xFFFF;
|
---|
903 | var a16 = this.low >>> 16;
|
---|
904 | var a00 = this.low & 0xFFFF;
|
---|
905 |
|
---|
906 | var b48 = multiplier.high >>> 16;
|
---|
907 | var b32 = multiplier.high & 0xFFFF;
|
---|
908 | var b16 = multiplier.low >>> 16;
|
---|
909 | var b00 = multiplier.low & 0xFFFF;
|
---|
910 |
|
---|
911 | var c48 = 0, c32 = 0, c16 = 0, c00 = 0;
|
---|
912 | c00 += a00 * b00;
|
---|
913 | c16 += c00 >>> 16;
|
---|
914 | c00 &= 0xFFFF;
|
---|
915 | c16 += a16 * b00;
|
---|
916 | c32 += c16 >>> 16;
|
---|
917 | c16 &= 0xFFFF;
|
---|
918 | c16 += a00 * b16;
|
---|
919 | c32 += c16 >>> 16;
|
---|
920 | c16 &= 0xFFFF;
|
---|
921 | c32 += a32 * b00;
|
---|
922 | c48 += c32 >>> 16;
|
---|
923 | c32 &= 0xFFFF;
|
---|
924 | c32 += a16 * b16;
|
---|
925 | c48 += c32 >>> 16;
|
---|
926 | c32 &= 0xFFFF;
|
---|
927 | c32 += a00 * b32;
|
---|
928 | c48 += c32 >>> 16;
|
---|
929 | c32 &= 0xFFFF;
|
---|
930 | c48 += a48 * b00 + a32 * b16 + a16 * b32 + a00 * b48;
|
---|
931 | c48 &= 0xFFFF;
|
---|
932 | return fromBits((c16 << 16) | c00, (c48 << 16) | c32, this.unsigned);
|
---|
933 | };
|
---|
934 |
|
---|
935 | /**
|
---|
936 | * Returns the product of this and the specified Long. This is an alias of {@link Long#multiply}.
|
---|
937 | * @function
|
---|
938 | * @param {!Long|number|string} multiplier Multiplier
|
---|
939 | * @returns {!Long} Product
|
---|
940 | */
|
---|
941 | LongPrototype.mul = LongPrototype.multiply;
|
---|
942 |
|
---|
943 | /**
|
---|
944 | * Returns this Long divided by the specified. The result is signed if this Long is signed or
|
---|
945 | * unsigned if this Long is unsigned.
|
---|
946 | * @this {!Long}
|
---|
947 | * @param {!Long|number|string} divisor Divisor
|
---|
948 | * @returns {!Long} Quotient
|
---|
949 | */
|
---|
950 | LongPrototype.divide = function divide(divisor) {
|
---|
951 | if (!isLong(divisor))
|
---|
952 | divisor = fromValue(divisor);
|
---|
953 | if (divisor.isZero())
|
---|
954 | throw Error('division by zero');
|
---|
955 |
|
---|
956 | // use wasm support if present
|
---|
957 | if (wasm) {
|
---|
958 | // guard against signed division overflow: the largest
|
---|
959 | // negative number / -1 would be 1 larger than the largest
|
---|
960 | // positive number, due to two's complement.
|
---|
961 | if (!this.unsigned &&
|
---|
962 | this.high === -0x80000000 &&
|
---|
963 | divisor.low === -1 && divisor.high === -1) {
|
---|
964 | // be consistent with non-wasm code path
|
---|
965 | return this;
|
---|
966 | }
|
---|
967 | var low = (this.unsigned ? wasm["div_u"] : wasm["div_s"])(
|
---|
968 | this.low,
|
---|
969 | this.high,
|
---|
970 | divisor.low,
|
---|
971 | divisor.high
|
---|
972 | );
|
---|
973 | return fromBits(low, wasm["get_high"](), this.unsigned);
|
---|
974 | }
|
---|
975 |
|
---|
976 | if (this.isZero())
|
---|
977 | return this.unsigned ? UZERO : ZERO;
|
---|
978 | var approx, rem, res;
|
---|
979 | if (!this.unsigned) {
|
---|
980 | // This section is only relevant for signed longs and is derived from the
|
---|
981 | // closure library as a whole.
|
---|
982 | if (this.eq(MIN_VALUE)) {
|
---|
983 | if (divisor.eq(ONE) || divisor.eq(NEG_ONE))
|
---|
984 | return MIN_VALUE; // recall that -MIN_VALUE == MIN_VALUE
|
---|
985 | else if (divisor.eq(MIN_VALUE))
|
---|
986 | return ONE;
|
---|
987 | else {
|
---|
988 | // At this point, we have |other| >= 2, so |this/other| < |MIN_VALUE|.
|
---|
989 | var halfThis = this.shr(1);
|
---|
990 | approx = halfThis.div(divisor).shl(1);
|
---|
991 | if (approx.eq(ZERO)) {
|
---|
992 | return divisor.isNegative() ? ONE : NEG_ONE;
|
---|
993 | } else {
|
---|
994 | rem = this.sub(divisor.mul(approx));
|
---|
995 | res = approx.add(rem.div(divisor));
|
---|
996 | return res;
|
---|
997 | }
|
---|
998 | }
|
---|
999 | } else if (divisor.eq(MIN_VALUE))
|
---|
1000 | return this.unsigned ? UZERO : ZERO;
|
---|
1001 | if (this.isNegative()) {
|
---|
1002 | if (divisor.isNegative())
|
---|
1003 | return this.neg().div(divisor.neg());
|
---|
1004 | return this.neg().div(divisor).neg();
|
---|
1005 | } else if (divisor.isNegative())
|
---|
1006 | return this.div(divisor.neg()).neg();
|
---|
1007 | res = ZERO;
|
---|
1008 | } else {
|
---|
1009 | // The algorithm below has not been made for unsigned longs. It's therefore
|
---|
1010 | // required to take special care of the MSB prior to running it.
|
---|
1011 | if (!divisor.unsigned)
|
---|
1012 | divisor = divisor.toUnsigned();
|
---|
1013 | if (divisor.gt(this))
|
---|
1014 | return UZERO;
|
---|
1015 | if (divisor.gt(this.shru(1))) // 15 >>> 1 = 7 ; with divisor = 8 ; true
|
---|
1016 | return UONE;
|
---|
1017 | res = UZERO;
|
---|
1018 | }
|
---|
1019 |
|
---|
1020 | // Repeat the following until the remainder is less than other: find a
|
---|
1021 | // floating-point that approximates remainder / other *from below*, add this
|
---|
1022 | // into the result, and subtract it from the remainder. It is critical that
|
---|
1023 | // the approximate value is less than or equal to the real value so that the
|
---|
1024 | // remainder never becomes negative.
|
---|
1025 | rem = this;
|
---|
1026 | while (rem.gte(divisor)) {
|
---|
1027 | // Approximate the result of division. This may be a little greater or
|
---|
1028 | // smaller than the actual value.
|
---|
1029 | approx = Math.max(1, Math.floor(rem.toNumber() / divisor.toNumber()));
|
---|
1030 |
|
---|
1031 | // We will tweak the approximate result by changing it in the 48-th digit or
|
---|
1032 | // the smallest non-fractional digit, whichever is larger.
|
---|
1033 | var log2 = Math.ceil(Math.log(approx) / Math.LN2),
|
---|
1034 | delta = (log2 <= 48) ? 1 : pow_dbl(2, log2 - 48),
|
---|
1035 |
|
---|
1036 | // Decrease the approximation until it is smaller than the remainder. Note
|
---|
1037 | // that if it is too large, the product overflows and is negative.
|
---|
1038 | approxRes = fromNumber(approx),
|
---|
1039 | approxRem = approxRes.mul(divisor);
|
---|
1040 | while (approxRem.isNegative() || approxRem.gt(rem)) {
|
---|
1041 | approx -= delta;
|
---|
1042 | approxRes = fromNumber(approx, this.unsigned);
|
---|
1043 | approxRem = approxRes.mul(divisor);
|
---|
1044 | }
|
---|
1045 |
|
---|
1046 | // We know the answer can't be zero... and actually, zero would cause
|
---|
1047 | // infinite recursion since we would make no progress.
|
---|
1048 | if (approxRes.isZero())
|
---|
1049 | approxRes = ONE;
|
---|
1050 |
|
---|
1051 | res = res.add(approxRes);
|
---|
1052 | rem = rem.sub(approxRem);
|
---|
1053 | }
|
---|
1054 | return res;
|
---|
1055 | };
|
---|
1056 |
|
---|
1057 | /**
|
---|
1058 | * Returns this Long divided by the specified. This is an alias of {@link Long#divide}.
|
---|
1059 | * @function
|
---|
1060 | * @param {!Long|number|string} divisor Divisor
|
---|
1061 | * @returns {!Long} Quotient
|
---|
1062 | */
|
---|
1063 | LongPrototype.div = LongPrototype.divide;
|
---|
1064 |
|
---|
1065 | /**
|
---|
1066 | * Returns this Long modulo the specified.
|
---|
1067 | * @this {!Long}
|
---|
1068 | * @param {!Long|number|string} divisor Divisor
|
---|
1069 | * @returns {!Long} Remainder
|
---|
1070 | */
|
---|
1071 | LongPrototype.modulo = function modulo(divisor) {
|
---|
1072 | if (!isLong(divisor))
|
---|
1073 | divisor = fromValue(divisor);
|
---|
1074 |
|
---|
1075 | // use wasm support if present
|
---|
1076 | if (wasm) {
|
---|
1077 | var low = (this.unsigned ? wasm["rem_u"] : wasm["rem_s"])(
|
---|
1078 | this.low,
|
---|
1079 | this.high,
|
---|
1080 | divisor.low,
|
---|
1081 | divisor.high
|
---|
1082 | );
|
---|
1083 | return fromBits(low, wasm["get_high"](), this.unsigned);
|
---|
1084 | }
|
---|
1085 |
|
---|
1086 | return this.sub(this.div(divisor).mul(divisor));
|
---|
1087 | };
|
---|
1088 |
|
---|
1089 | /**
|
---|
1090 | * Returns this Long modulo the specified. This is an alias of {@link Long#modulo}.
|
---|
1091 | * @function
|
---|
1092 | * @param {!Long|number|string} divisor Divisor
|
---|
1093 | * @returns {!Long} Remainder
|
---|
1094 | */
|
---|
1095 | LongPrototype.mod = LongPrototype.modulo;
|
---|
1096 |
|
---|
1097 | /**
|
---|
1098 | * Returns this Long modulo the specified. This is an alias of {@link Long#modulo}.
|
---|
1099 | * @function
|
---|
1100 | * @param {!Long|number|string} divisor Divisor
|
---|
1101 | * @returns {!Long} Remainder
|
---|
1102 | */
|
---|
1103 | LongPrototype.rem = LongPrototype.modulo;
|
---|
1104 |
|
---|
1105 | /**
|
---|
1106 | * Returns the bitwise NOT of this Long.
|
---|
1107 | * @this {!Long}
|
---|
1108 | * @returns {!Long}
|
---|
1109 | */
|
---|
1110 | LongPrototype.not = function not() {
|
---|
1111 | return fromBits(~this.low, ~this.high, this.unsigned);
|
---|
1112 | };
|
---|
1113 |
|
---|
1114 | /**
|
---|
1115 | * Returns the bitwise AND of this Long and the specified.
|
---|
1116 | * @this {!Long}
|
---|
1117 | * @param {!Long|number|string} other Other Long
|
---|
1118 | * @returns {!Long}
|
---|
1119 | */
|
---|
1120 | LongPrototype.and = function and(other) {
|
---|
1121 | if (!isLong(other))
|
---|
1122 | other = fromValue(other);
|
---|
1123 | return fromBits(this.low & other.low, this.high & other.high, this.unsigned);
|
---|
1124 | };
|
---|
1125 |
|
---|
1126 | /**
|
---|
1127 | * Returns the bitwise OR of this Long and the specified.
|
---|
1128 | * @this {!Long}
|
---|
1129 | * @param {!Long|number|string} other Other Long
|
---|
1130 | * @returns {!Long}
|
---|
1131 | */
|
---|
1132 | LongPrototype.or = function or(other) {
|
---|
1133 | if (!isLong(other))
|
---|
1134 | other = fromValue(other);
|
---|
1135 | return fromBits(this.low | other.low, this.high | other.high, this.unsigned);
|
---|
1136 | };
|
---|
1137 |
|
---|
1138 | /**
|
---|
1139 | * Returns the bitwise XOR of this Long and the given one.
|
---|
1140 | * @this {!Long}
|
---|
1141 | * @param {!Long|number|string} other Other Long
|
---|
1142 | * @returns {!Long}
|
---|
1143 | */
|
---|
1144 | LongPrototype.xor = function xor(other) {
|
---|
1145 | if (!isLong(other))
|
---|
1146 | other = fromValue(other);
|
---|
1147 | return fromBits(this.low ^ other.low, this.high ^ other.high, this.unsigned);
|
---|
1148 | };
|
---|
1149 |
|
---|
1150 | /**
|
---|
1151 | * Returns this Long with bits shifted to the left by the given amount.
|
---|
1152 | * @this {!Long}
|
---|
1153 | * @param {number|!Long} numBits Number of bits
|
---|
1154 | * @returns {!Long} Shifted Long
|
---|
1155 | */
|
---|
1156 | LongPrototype.shiftLeft = function shiftLeft(numBits) {
|
---|
1157 | if (isLong(numBits))
|
---|
1158 | numBits = numBits.toInt();
|
---|
1159 | if ((numBits &= 63) === 0)
|
---|
1160 | return this;
|
---|
1161 | else if (numBits < 32)
|
---|
1162 | return fromBits(this.low << numBits, (this.high << numBits) | (this.low >>> (32 - numBits)), this.unsigned);
|
---|
1163 | else
|
---|
1164 | return fromBits(0, this.low << (numBits - 32), this.unsigned);
|
---|
1165 | };
|
---|
1166 |
|
---|
1167 | /**
|
---|
1168 | * Returns this Long with bits shifted to the left by the given amount. This is an alias of {@link Long#shiftLeft}.
|
---|
1169 | * @function
|
---|
1170 | * @param {number|!Long} numBits Number of bits
|
---|
1171 | * @returns {!Long} Shifted Long
|
---|
1172 | */
|
---|
1173 | LongPrototype.shl = LongPrototype.shiftLeft;
|
---|
1174 |
|
---|
1175 | /**
|
---|
1176 | * Returns this Long with bits arithmetically shifted to the right by the given amount.
|
---|
1177 | * @this {!Long}
|
---|
1178 | * @param {number|!Long} numBits Number of bits
|
---|
1179 | * @returns {!Long} Shifted Long
|
---|
1180 | */
|
---|
1181 | LongPrototype.shiftRight = function shiftRight(numBits) {
|
---|
1182 | if (isLong(numBits))
|
---|
1183 | numBits = numBits.toInt();
|
---|
1184 | if ((numBits &= 63) === 0)
|
---|
1185 | return this;
|
---|
1186 | else if (numBits < 32)
|
---|
1187 | return fromBits((this.low >>> numBits) | (this.high << (32 - numBits)), this.high >> numBits, this.unsigned);
|
---|
1188 | else
|
---|
1189 | return fromBits(this.high >> (numBits - 32), this.high >= 0 ? 0 : -1, this.unsigned);
|
---|
1190 | };
|
---|
1191 |
|
---|
1192 | /**
|
---|
1193 | * Returns this Long with bits arithmetically shifted to the right by the given amount. This is an alias of {@link Long#shiftRight}.
|
---|
1194 | * @function
|
---|
1195 | * @param {number|!Long} numBits Number of bits
|
---|
1196 | * @returns {!Long} Shifted Long
|
---|
1197 | */
|
---|
1198 | LongPrototype.shr = LongPrototype.shiftRight;
|
---|
1199 |
|
---|
1200 | /**
|
---|
1201 | * Returns this Long with bits logically shifted to the right by the given amount.
|
---|
1202 | * @this {!Long}
|
---|
1203 | * @param {number|!Long} numBits Number of bits
|
---|
1204 | * @returns {!Long} Shifted Long
|
---|
1205 | */
|
---|
1206 | LongPrototype.shiftRightUnsigned = function shiftRightUnsigned(numBits) {
|
---|
1207 | if (isLong(numBits)) numBits = numBits.toInt();
|
---|
1208 | if ((numBits &= 63) === 0) return this;
|
---|
1209 | if (numBits < 32) return fromBits((this.low >>> numBits) | (this.high << (32 - numBits)), this.high >>> numBits, this.unsigned);
|
---|
1210 | if (numBits === 32) return fromBits(this.high, 0, this.unsigned);
|
---|
1211 | return fromBits(this.high >>> (numBits - 32), 0, this.unsigned);
|
---|
1212 | };
|
---|
1213 |
|
---|
1214 | /**
|
---|
1215 | * Returns this Long with bits logically shifted to the right by the given amount. This is an alias of {@link Long#shiftRightUnsigned}.
|
---|
1216 | * @function
|
---|
1217 | * @param {number|!Long} numBits Number of bits
|
---|
1218 | * @returns {!Long} Shifted Long
|
---|
1219 | */
|
---|
1220 | LongPrototype.shru = LongPrototype.shiftRightUnsigned;
|
---|
1221 |
|
---|
1222 | /**
|
---|
1223 | * Returns this Long with bits logically shifted to the right by the given amount. This is an alias of {@link Long#shiftRightUnsigned}.
|
---|
1224 | * @function
|
---|
1225 | * @param {number|!Long} numBits Number of bits
|
---|
1226 | * @returns {!Long} Shifted Long
|
---|
1227 | */
|
---|
1228 | LongPrototype.shr_u = LongPrototype.shiftRightUnsigned;
|
---|
1229 |
|
---|
1230 | /**
|
---|
1231 | * Returns this Long with bits rotated to the left by the given amount.
|
---|
1232 | * @this {!Long}
|
---|
1233 | * @param {number|!Long} numBits Number of bits
|
---|
1234 | * @returns {!Long} Rotated Long
|
---|
1235 | */
|
---|
1236 | LongPrototype.rotateLeft = function rotateLeft(numBits) {
|
---|
1237 | var b;
|
---|
1238 | if (isLong(numBits)) numBits = numBits.toInt();
|
---|
1239 | if ((numBits &= 63) === 0) return this;
|
---|
1240 | if (numBits === 32) return fromBits(this.high, this.low, this.unsigned);
|
---|
1241 | if (numBits < 32) {
|
---|
1242 | b = (32 - numBits);
|
---|
1243 | return fromBits(((this.low << numBits) | (this.high >>> b)), ((this.high << numBits) | (this.low >>> b)), this.unsigned);
|
---|
1244 | }
|
---|
1245 | numBits -= 32;
|
---|
1246 | b = (32 - numBits);
|
---|
1247 | return fromBits(((this.high << numBits) | (this.low >>> b)), ((this.low << numBits) | (this.high >>> b)), this.unsigned);
|
---|
1248 | }
|
---|
1249 | /**
|
---|
1250 | * Returns this Long with bits rotated to the left by the given amount. This is an alias of {@link Long#rotateLeft}.
|
---|
1251 | * @function
|
---|
1252 | * @param {number|!Long} numBits Number of bits
|
---|
1253 | * @returns {!Long} Rotated Long
|
---|
1254 | */
|
---|
1255 | LongPrototype.rotl = LongPrototype.rotateLeft;
|
---|
1256 |
|
---|
1257 | /**
|
---|
1258 | * Returns this Long with bits rotated to the right by the given amount.
|
---|
1259 | * @this {!Long}
|
---|
1260 | * @param {number|!Long} numBits Number of bits
|
---|
1261 | * @returns {!Long} Rotated Long
|
---|
1262 | */
|
---|
1263 | LongPrototype.rotateRight = function rotateRight(numBits) {
|
---|
1264 | var b;
|
---|
1265 | if (isLong(numBits)) numBits = numBits.toInt();
|
---|
1266 | if ((numBits &= 63) === 0) return this;
|
---|
1267 | if (numBits === 32) return fromBits(this.high, this.low, this.unsigned);
|
---|
1268 | if (numBits < 32) {
|
---|
1269 | b = (32 - numBits);
|
---|
1270 | return fromBits(((this.high << b) | (this.low >>> numBits)), ((this.low << b) | (this.high >>> numBits)), this.unsigned);
|
---|
1271 | }
|
---|
1272 | numBits -= 32;
|
---|
1273 | b = (32 - numBits);
|
---|
1274 | return fromBits(((this.low << b) | (this.high >>> numBits)), ((this.high << b) | (this.low >>> numBits)), this.unsigned);
|
---|
1275 | }
|
---|
1276 | /**
|
---|
1277 | * Returns this Long with bits rotated to the right by the given amount. This is an alias of {@link Long#rotateRight}.
|
---|
1278 | * @function
|
---|
1279 | * @param {number|!Long} numBits Number of bits
|
---|
1280 | * @returns {!Long} Rotated Long
|
---|
1281 | */
|
---|
1282 | LongPrototype.rotr = LongPrototype.rotateRight;
|
---|
1283 |
|
---|
1284 | /**
|
---|
1285 | * Converts this Long to signed.
|
---|
1286 | * @this {!Long}
|
---|
1287 | * @returns {!Long} Signed long
|
---|
1288 | */
|
---|
1289 | LongPrototype.toSigned = function toSigned() {
|
---|
1290 | if (!this.unsigned)
|
---|
1291 | return this;
|
---|
1292 | return fromBits(this.low, this.high, false);
|
---|
1293 | };
|
---|
1294 |
|
---|
1295 | /**
|
---|
1296 | * Converts this Long to unsigned.
|
---|
1297 | * @this {!Long}
|
---|
1298 | * @returns {!Long} Unsigned long
|
---|
1299 | */
|
---|
1300 | LongPrototype.toUnsigned = function toUnsigned() {
|
---|
1301 | if (this.unsigned)
|
---|
1302 | return this;
|
---|
1303 | return fromBits(this.low, this.high, true);
|
---|
1304 | };
|
---|
1305 |
|
---|
1306 | /**
|
---|
1307 | * Converts this Long to its byte representation.
|
---|
1308 | * @param {boolean=} le Whether little or big endian, defaults to big endian
|
---|
1309 | * @this {!Long}
|
---|
1310 | * @returns {!Array.<number>} Byte representation
|
---|
1311 | */
|
---|
1312 | LongPrototype.toBytes = function toBytes(le) {
|
---|
1313 | return le ? this.toBytesLE() : this.toBytesBE();
|
---|
1314 | };
|
---|
1315 |
|
---|
1316 | /**
|
---|
1317 | * Converts this Long to its little endian byte representation.
|
---|
1318 | * @this {!Long}
|
---|
1319 | * @returns {!Array.<number>} Little endian byte representation
|
---|
1320 | */
|
---|
1321 | LongPrototype.toBytesLE = function toBytesLE() {
|
---|
1322 | var hi = this.high,
|
---|
1323 | lo = this.low;
|
---|
1324 | return [
|
---|
1325 | lo & 0xff,
|
---|
1326 | lo >>> 8 & 0xff,
|
---|
1327 | lo >>> 16 & 0xff,
|
---|
1328 | lo >>> 24 ,
|
---|
1329 | hi & 0xff,
|
---|
1330 | hi >>> 8 & 0xff,
|
---|
1331 | hi >>> 16 & 0xff,
|
---|
1332 | hi >>> 24
|
---|
1333 | ];
|
---|
1334 | };
|
---|
1335 |
|
---|
1336 | /**
|
---|
1337 | * Converts this Long to its big endian byte representation.
|
---|
1338 | * @this {!Long}
|
---|
1339 | * @returns {!Array.<number>} Big endian byte representation
|
---|
1340 | */
|
---|
1341 | LongPrototype.toBytesBE = function toBytesBE() {
|
---|
1342 | var hi = this.high,
|
---|
1343 | lo = this.low;
|
---|
1344 | return [
|
---|
1345 | hi >>> 24 ,
|
---|
1346 | hi >>> 16 & 0xff,
|
---|
1347 | hi >>> 8 & 0xff,
|
---|
1348 | hi & 0xff,
|
---|
1349 | lo >>> 24 ,
|
---|
1350 | lo >>> 16 & 0xff,
|
---|
1351 | lo >>> 8 & 0xff,
|
---|
1352 | lo & 0xff
|
---|
1353 | ];
|
---|
1354 | };
|
---|
1355 |
|
---|
1356 | /**
|
---|
1357 | * Creates a Long from its byte representation.
|
---|
1358 | * @param {!Array.<number>} bytes Byte representation
|
---|
1359 | * @param {boolean=} unsigned Whether unsigned or not, defaults to signed
|
---|
1360 | * @param {boolean=} le Whether little or big endian, defaults to big endian
|
---|
1361 | * @returns {Long} The corresponding Long value
|
---|
1362 | */
|
---|
1363 | Long.fromBytes = function fromBytes(bytes, unsigned, le) {
|
---|
1364 | return le ? Long.fromBytesLE(bytes, unsigned) : Long.fromBytesBE(bytes, unsigned);
|
---|
1365 | };
|
---|
1366 |
|
---|
1367 | /**
|
---|
1368 | * Creates a Long from its little endian byte representation.
|
---|
1369 | * @param {!Array.<number>} bytes Little endian byte representation
|
---|
1370 | * @param {boolean=} unsigned Whether unsigned or not, defaults to signed
|
---|
1371 | * @returns {Long} The corresponding Long value
|
---|
1372 | */
|
---|
1373 | Long.fromBytesLE = function fromBytesLE(bytes, unsigned) {
|
---|
1374 | return new Long(
|
---|
1375 | bytes[0] |
|
---|
1376 | bytes[1] << 8 |
|
---|
1377 | bytes[2] << 16 |
|
---|
1378 | bytes[3] << 24,
|
---|
1379 | bytes[4] |
|
---|
1380 | bytes[5] << 8 |
|
---|
1381 | bytes[6] << 16 |
|
---|
1382 | bytes[7] << 24,
|
---|
1383 | unsigned
|
---|
1384 | );
|
---|
1385 | };
|
---|
1386 |
|
---|
1387 | /**
|
---|
1388 | * Creates a Long from its big endian byte representation.
|
---|
1389 | * @param {!Array.<number>} bytes Big endian byte representation
|
---|
1390 | * @param {boolean=} unsigned Whether unsigned or not, defaults to signed
|
---|
1391 | * @returns {Long} The corresponding Long value
|
---|
1392 | */
|
---|
1393 | Long.fromBytesBE = function fromBytesBE(bytes, unsigned) {
|
---|
1394 | return new Long(
|
---|
1395 | bytes[4] << 24 |
|
---|
1396 | bytes[5] << 16 |
|
---|
1397 | bytes[6] << 8 |
|
---|
1398 | bytes[7],
|
---|
1399 | bytes[0] << 24 |
|
---|
1400 | bytes[1] << 16 |
|
---|
1401 | bytes[2] << 8 |
|
---|
1402 | bytes[3],
|
---|
1403 | unsigned
|
---|
1404 | );
|
---|
1405 | };
|
---|