Martin@438
|
1 |
// empty line needed here
|
Martin@439
|
2 |
|
jaroslav@912
|
3 |
(function(numberPrototype) {
|
jaroslav@912
|
4 |
numberPrototype.add32 = function(x) {
|
jaroslav@912
|
5 |
return (this + x) | 0;
|
jaroslav@912
|
6 |
};
|
jaroslav@912
|
7 |
numberPrototype.sub32 = function(x) {
|
jaroslav@912
|
8 |
return (this - x) | 0;
|
jaroslav@912
|
9 |
};
|
jaroslav@912
|
10 |
numberPrototype.mul32 = function(x) {
|
jaroslav@912
|
11 |
return (((this * (x >> 16)) << 16) + this * (x & 0xFFFF)) | 0;
|
jaroslav@912
|
12 |
};
|
jaroslav@912
|
13 |
numberPrototype.neg32 = function() {
|
jaroslav@912
|
14 |
return (-this) | 0;
|
jaroslav@912
|
15 |
};
|
Martin@582
|
16 |
|
jaroslav@912
|
17 |
numberPrototype.toInt8 = function() {
|
jaroslav@912
|
18 |
return (this << 24) >> 24;
|
jaroslav@912
|
19 |
};
|
jaroslav@912
|
20 |
numberPrototype.toInt16 = function() {
|
jaroslav@912
|
21 |
return (this << 16) >> 16;
|
jaroslav@912
|
22 |
};
|
Martin@615
|
23 |
|
jaroslav@912
|
24 |
var __m32 = 0xFFFFFFFF;
|
Martin@582
|
25 |
|
jaroslav@912
|
26 |
numberPrototype.next32 = function(low) {
|
jaroslav@912
|
27 |
if (this === 0) {
|
jaroslav@912
|
28 |
return low;
|
jaroslav@912
|
29 |
}
|
jaroslav@912
|
30 |
var l = new Number(low);
|
jaroslav@912
|
31 |
l.hi = this | 0;
|
jaroslav@912
|
32 |
return l;
|
jaroslav@912
|
33 |
};
|
lubomir@778
|
34 |
|
jaroslav@912
|
35 |
numberPrototype.high32 = function() {
|
jaroslav@912
|
36 |
return this.hi ? this.hi : (Math.floor(this / (__m32 + 1))) | 0;
|
jaroslav@912
|
37 |
};
|
jaroslav@912
|
38 |
numberPrototype.toInt32 = function() {
|
jaroslav@912
|
39 |
return this | 0;
|
jaroslav@912
|
40 |
};
|
jaroslav@912
|
41 |
numberPrototype.toFP = function() {
|
jaroslav@912
|
42 |
return this.hi ? this.hi * (__m32 + 1) + this : this;
|
jaroslav@912
|
43 |
};
|
jaroslav@912
|
44 |
numberPrototype.toLong = function() {
|
jaroslav@912
|
45 |
var hi = (this / (__m32 + 1)) | 0;
|
jaroslav@912
|
46 |
var low = (this % (__m32 + 1)) | 0;
|
jaroslav@912
|
47 |
if (low < 0) {
|
jaroslav@912
|
48 |
low += __m32 + 1;
|
jaroslav@912
|
49 |
}
|
Martin@607
|
50 |
|
jaroslav@912
|
51 |
if (this < 0) {
|
jaroslav@912
|
52 |
hi -= 1;
|
Martin@698
|
53 |
}
|
Martin@607
|
54 |
|
Martin@615
|
55 |
return hi.next32(low);
|
Martin@615
|
56 |
};
|
Martin@615
|
57 |
|
jaroslav@912
|
58 |
numberPrototype.toExactString = function() {
|
jaroslav@912
|
59 |
if (this.hi) {
|
jaroslav@912
|
60 |
// check for Long.MIN_VALUE
|
jaroslav@912
|
61 |
if ((this.hi == (0x80000000 | 0)) && (this == 0)) {
|
jaroslav@912
|
62 |
return '-9223372036854775808';
|
jaroslav@912
|
63 |
}
|
jaroslav@912
|
64 |
var res = 0;
|
jaroslav@912
|
65 |
var a = [6, 9, 2, 7, 6, 9, 4, 9, 2, 4];
|
jaroslav@912
|
66 |
var s = '';
|
jaroslav@912
|
67 |
var digit;
|
jaroslav@912
|
68 |
var neg = this.hi < 0;
|
jaroslav@912
|
69 |
if (neg) {
|
jaroslav@912
|
70 |
var x = this.neg64();
|
jaroslav@912
|
71 |
var hi = x.hi;
|
jaroslav@912
|
72 |
var low = x;
|
jaroslav@912
|
73 |
} else {
|
jaroslav@912
|
74 |
var hi = this.hi;
|
jaroslav@912
|
75 |
var low = this;
|
jaroslav@912
|
76 |
}
|
jaroslav@912
|
77 |
for (var i = 0; i < a.length; i++) {
|
jaroslav@912
|
78 |
res += hi * a[i];
|
jaroslav@912
|
79 |
var low_digit = low % 10;
|
jaroslav@912
|
80 |
digit = (res % 10) + low_digit;
|
jaroslav@912
|
81 |
|
jaroslav@912
|
82 |
low = Math.floor(low / 10);
|
jaroslav@912
|
83 |
res = Math.floor(res / 10);
|
jaroslav@912
|
84 |
|
jaroslav@912
|
85 |
if (digit >= 10) {
|
jaroslav@912
|
86 |
digit -= 10;
|
jaroslav@912
|
87 |
res++;
|
jaroslav@912
|
88 |
}
|
jaroslav@912
|
89 |
s = String(digit).concat(s);
|
jaroslav@912
|
90 |
}
|
jaroslav@912
|
91 |
s = String(res).concat(s).replace(/^0+/, '');
|
jaroslav@912
|
92 |
return (neg ? '-' : '').concat(s);
|
jaroslav@912
|
93 |
}
|
jaroslav@912
|
94 |
return String(this);
|
jaroslav@912
|
95 |
};
|
jaroslav@912
|
96 |
|
jaroslav@912
|
97 |
numberPrototype.add64 = function(x) {
|
jaroslav@912
|
98 |
var low = this + x;
|
jaroslav@912
|
99 |
carry = 0;
|
jaroslav@912
|
100 |
if (low > __m32) {
|
jaroslav@912
|
101 |
carry = 1;
|
jaroslav@912
|
102 |
low -= (__m32 + 1);
|
jaroslav@912
|
103 |
}
|
jaroslav@912
|
104 |
var hi = (this.high32() + x.high32() + carry) | 0;
|
Martin@627
|
105 |
return hi.next32(low);
|
Martin@627
|
106 |
};
|
Martin@627
|
107 |
|
jaroslav@912
|
108 |
numberPrototype.sub64 = function(x) {
|
jaroslav@912
|
109 |
var low = this - x;
|
jaroslav@912
|
110 |
carry = 0;
|
jaroslav@912
|
111 |
if (low < 0) {
|
jaroslav@912
|
112 |
carry = 1;
|
jaroslav@912
|
113 |
low += (__m32 + 1);
|
jaroslav@912
|
114 |
}
|
jaroslav@912
|
115 |
var hi = (this.high32() - x.high32() - carry) | 0;
|
Martin@628
|
116 |
return hi.next32(low);
|
Martin@628
|
117 |
};
|
Martin@628
|
118 |
|
jaroslav@912
|
119 |
numberPrototype.mul64 = function(x) {
|
jaroslav@912
|
120 |
var low = this.mul32(x);
|
jaroslav@912
|
121 |
low += (low < 0) ? (__m32 + 1) : 0;
|
jaroslav@912
|
122 |
// first count upper 32 bits of (this.low * x.low)
|
jaroslav@912
|
123 |
var hi_hi = 0;
|
jaroslav@912
|
124 |
var hi_low = 0;
|
jaroslav@912
|
125 |
var m = 1;
|
jaroslav@912
|
126 |
for (var i = 0; i < 32; i++) {
|
jaroslav@912
|
127 |
if (x & m) {
|
jaroslav@912
|
128 |
hi_hi += this >>> 16;
|
jaroslav@912
|
129 |
hi_low += this & 0xFFFF
|
jaroslav@912
|
130 |
}
|
jaroslav@912
|
131 |
hi_low >>= 1;
|
jaroslav@912
|
132 |
hi_low += (hi_hi & 1) ? 0x8000 : 0;
|
jaroslav@912
|
133 |
hi_hi >>= 1;
|
jaroslav@912
|
134 |
m <<= 1;
|
jaroslav@912
|
135 |
}
|
jaroslav@912
|
136 |
var hi = (hi_hi << 16) + hi_low;
|
jaroslav@912
|
137 |
|
jaroslav@912
|
138 |
var m1 = this.high32().mul32(x);
|
jaroslav@912
|
139 |
var m2 = this.mul32(x.high32());
|
jaroslav@912
|
140 |
hi = hi.add32(m1).add32(m2);
|
jaroslav@912
|
141 |
|
Martin@594
|
142 |
return hi.next32(low);
|
jaroslav@912
|
143 |
};
|
Martin@582
|
144 |
|
jaroslav@912
|
145 |
numberPrototype.and64 = function(x) {
|
jaroslav@912
|
146 |
var low = this & x;
|
jaroslav@912
|
147 |
low += (low < 0) ? (__m32 + 1) : 0;
|
jaroslav@912
|
148 |
if (this.hi && x.hi) {
|
jaroslav@912
|
149 |
var hi = this.hi & x.hi;
|
jaroslav@912
|
150 |
return hi.next32(low);
|
jaroslav@912
|
151 |
}
|
jaroslav@912
|
152 |
;
|
Martin@615
|
153 |
return low;
|
jaroslav@912
|
154 |
};
|
Martin@615
|
155 |
|
jaroslav@912
|
156 |
numberPrototype.or64 = function(x) {
|
jaroslav@912
|
157 |
var low = this | x;
|
jaroslav@912
|
158 |
low += (low < 0) ? (__m32 + 1) : 0;
|
jaroslav@912
|
159 |
if (this.hi || x.hi) {
|
jaroslav@912
|
160 |
var hi = this.hi | x.hi;
|
jaroslav@912
|
161 |
return hi.next32(low);
|
jaroslav@912
|
162 |
}
|
jaroslav@912
|
163 |
;
|
Martin@629
|
164 |
return low;
|
jaroslav@912
|
165 |
};
|
Martin@629
|
166 |
|
jaroslav@912
|
167 |
numberPrototype.xor64 = function(x) {
|
jaroslav@912
|
168 |
var low = this ^ x;
|
jaroslav@912
|
169 |
low += (low < 0) ? (__m32 + 1) : 0;
|
jaroslav@912
|
170 |
if (this.hi || x.hi) {
|
jaroslav@912
|
171 |
var hi = this.hi ^ x.hi;
|
jaroslav@912
|
172 |
return hi.next32(low);
|
jaroslav@912
|
173 |
}
|
jaroslav@912
|
174 |
;
|
jaroslav@912
|
175 |
return low;
|
jaroslav@912
|
176 |
};
|
Martin@630
|
177 |
|
jaroslav@912
|
178 |
numberPrototype.shl64 = function(x) {
|
Martin@1352
|
179 |
x &= 0x3f;
|
Martin@1352
|
180 |
if (x == 0) return this;
|
jaroslav@912
|
181 |
if (x >= 32) {
|
jaroslav@912
|
182 |
var hi = this << (x - 32);
|
jaroslav@912
|
183 |
return hi.next32(0);
|
jaroslav@912
|
184 |
} else {
|
jaroslav@912
|
185 |
var hi = this.high32() << x;
|
jaroslav@912
|
186 |
var low_reminder = this >> (32 - x);
|
jaroslav@912
|
187 |
hi |= low_reminder;
|
jaroslav@912
|
188 |
var low = this << x;
|
jaroslav@912
|
189 |
low += (low < 0) ? (__m32 + 1) : 0;
|
jaroslav@912
|
190 |
return hi.next32(low);
|
jaroslav@912
|
191 |
}
|
jaroslav@912
|
192 |
};
|
lubomir@676
|
193 |
|
jaroslav@912
|
194 |
numberPrototype.shr64 = function(x) {
|
Martin@1352
|
195 |
x &= 0x3f;
|
Martin@1352
|
196 |
if (x == 0) return this;
|
jaroslav@912
|
197 |
if (x >= 32) {
|
jaroslav@912
|
198 |
var low = this.high32() >> (x - 32);
|
jaroslav@912
|
199 |
low += (low < 0) ? (__m32 + 1) : 0;
|
jaroslav@912
|
200 |
return low;
|
jaroslav@912
|
201 |
} else {
|
jaroslav@912
|
202 |
var low = this >> x;
|
jaroslav@912
|
203 |
var hi_reminder = this.high32() << (32 - x);
|
jaroslav@912
|
204 |
low |= hi_reminder;
|
jaroslav@912
|
205 |
low += (low < 0) ? (__m32 + 1) : 0;
|
jaroslav@912
|
206 |
var hi = this.high32() >> x;
|
jaroslav@912
|
207 |
return hi.next32(low);
|
jaroslav@912
|
208 |
}
|
jaroslav@912
|
209 |
};
|
jaroslav@912
|
210 |
|
jaroslav@912
|
211 |
numberPrototype.ushr64 = function(x) {
|
Martin@1352
|
212 |
x &= 0x3f;
|
Martin@1352
|
213 |
if (x == 0) return this;
|
jaroslav@912
|
214 |
if (x >= 32) {
|
jaroslav@912
|
215 |
var low = this.high32() >>> (x - 32);
|
jaroslav@912
|
216 |
low += (low < 0) ? (__m32 + 1) : 0;
|
jaroslav@912
|
217 |
return low;
|
jaroslav@912
|
218 |
} else {
|
jaroslav@912
|
219 |
var low = this >>> x;
|
jaroslav@912
|
220 |
var hi_reminder = this.high32() << (32 - x);
|
jaroslav@912
|
221 |
low |= hi_reminder;
|
jaroslav@912
|
222 |
low += (low < 0) ? (__m32 + 1) : 0;
|
jaroslav@912
|
223 |
var hi = this.high32() >>> x;
|
jaroslav@912
|
224 |
return hi.next32(low);
|
jaroslav@912
|
225 |
}
|
jaroslav@912
|
226 |
};
|
jaroslav@1477
|
227 |
|
jaroslav@1477
|
228 |
numberPrototype.compare = function(x) {
|
jaroslav@1477
|
229 |
if (this == x) {
|
jaroslav@1477
|
230 |
return 0;
|
jaroslav@1477
|
231 |
} else {
|
jaroslav@1477
|
232 |
return (this < x) ? -1 : 1;
|
jaroslav@1477
|
233 |
}
|
jaroslav@1477
|
234 |
};
|
jaroslav@912
|
235 |
|
jaroslav@912
|
236 |
numberPrototype.compare64 = function(x) {
|
jaroslav@912
|
237 |
if (this.high32() === x.high32()) {
|
jaroslav@912
|
238 |
return (this < x) ? -1 : ((this > x) ? 1 : 0);
|
jaroslav@912
|
239 |
}
|
jaroslav@912
|
240 |
return (this.high32() < x.high32()) ? -1 : 1;
|
jaroslav@912
|
241 |
};
|
jaroslav@912
|
242 |
|
jaroslav@912
|
243 |
numberPrototype.neg64 = function() {
|
jaroslav@912
|
244 |
var hi = this.high32();
|
jaroslav@912
|
245 |
var low = this;
|
jaroslav@912
|
246 |
if ((hi === 0) && (low < 0)) {
|
jaroslav@912
|
247 |
return -low;
|
jaroslav@912
|
248 |
}
|
jaroslav@912
|
249 |
hi = ~hi;
|
jaroslav@912
|
250 |
low = ~low;
|
jaroslav@912
|
251 |
low += (low < 0) ? (__m32 + 1) : 0;
|
jaroslav@912
|
252 |
var ret = hi.next32(low);
|
jaroslav@912
|
253 |
return ret.add64(1);
|
jaroslav@912
|
254 |
};
|
jaroslav@912
|
255 |
|
lubomir@737
|
256 |
function __handleDivByZero() {
|
lubomir@737
|
257 |
var exception = new vm.java_lang_ArithmeticException;
|
lubomir@737
|
258 |
vm.java_lang_ArithmeticException(false).constructor
|
lubomir@737
|
259 |
.cons__VLjava_lang_String_2.call(exception, "/ by zero");
|
lubomir@737
|
260 |
|
lubomir@737
|
261 |
throw exception;
|
lubomir@737
|
262 |
}
|
lubomir@737
|
263 |
|
lubomir@676
|
264 |
function __Int64(hi32, lo32) {
|
lubomir@676
|
265 |
this.hi32 = hi32 | 0;
|
lubomir@676
|
266 |
this.lo32 = lo32 | 0;
|
lubomir@676
|
267 |
|
lubomir@676
|
268 |
this.get32 = function(bitIndex) {
|
lubomir@676
|
269 |
var v0;
|
lubomir@676
|
270 |
var v1;
|
lubomir@676
|
271 |
bitIndex += 32;
|
lubomir@676
|
272 |
var selector = bitIndex >>> 5;
|
lubomir@676
|
273 |
switch (selector) {
|
lubomir@676
|
274 |
case 0:
|
lubomir@676
|
275 |
v0 = 0;
|
lubomir@676
|
276 |
v1 = this.lo32;
|
lubomir@676
|
277 |
break;
|
lubomir@676
|
278 |
case 1:
|
lubomir@676
|
279 |
v0 = this.lo32;
|
lubomir@676
|
280 |
v1 = this.hi32;
|
lubomir@676
|
281 |
break;
|
lubomir@676
|
282 |
case 2:
|
lubomir@676
|
283 |
v0 = this.hi32;
|
lubomir@676
|
284 |
v1 = 0;
|
lubomir@676
|
285 |
break
|
lubomir@676
|
286 |
default:
|
lubomir@676
|
287 |
return 0;
|
lubomir@676
|
288 |
}
|
lubomir@676
|
289 |
|
lubomir@676
|
290 |
var shift = bitIndex & 31;
|
lubomir@676
|
291 |
if (shift === 0) {
|
lubomir@676
|
292 |
return v0;
|
lubomir@676
|
293 |
}
|
lubomir@676
|
294 |
|
lubomir@676
|
295 |
return (v1 << (32 - shift)) | (v0 >>> shift);
|
lubomir@676
|
296 |
}
|
lubomir@676
|
297 |
|
lubomir@676
|
298 |
this.get16 = function(bitIndex) {
|
lubomir@676
|
299 |
return this.get32(bitIndex) & 0xffff;
|
lubomir@676
|
300 |
}
|
lubomir@676
|
301 |
|
lubomir@676
|
302 |
this.set16 = function(bitIndex, value) {
|
lubomir@676
|
303 |
bitIndex += 32;
|
lubomir@676
|
304 |
var shift = bitIndex & 15;
|
lubomir@676
|
305 |
var svalue = (value & 0xffff) << shift;
|
lubomir@676
|
306 |
var smask = 0xffff << shift;
|
lubomir@676
|
307 |
var selector = bitIndex >>> 4;
|
lubomir@676
|
308 |
switch (selector) {
|
lubomir@676
|
309 |
case 0:
|
lubomir@676
|
310 |
break;
|
lubomir@676
|
311 |
case 1:
|
lubomir@676
|
312 |
this.lo32 = (this.lo32 & ~(smask >>> 16))
|
lubomir@676
|
313 |
| (svalue >>> 16);
|
lubomir@676
|
314 |
break;
|
lubomir@676
|
315 |
case 2:
|
lubomir@676
|
316 |
this.lo32 = (this.lo32 & ~smask) | svalue;
|
lubomir@676
|
317 |
break;
|
lubomir@676
|
318 |
case 3:
|
lubomir@676
|
319 |
this.lo32 = (this.lo32 & ~(smask << 16))
|
lubomir@676
|
320 |
| (svalue << 16);
|
lubomir@676
|
321 |
this.hi32 = (this.hi32 & ~(smask >>> 16))
|
lubomir@676
|
322 |
| (svalue >>> 16);
|
lubomir@676
|
323 |
break;
|
lubomir@676
|
324 |
case 4:
|
lubomir@676
|
325 |
this.hi32 = (this.hi32 & ~smask) | svalue;
|
lubomir@676
|
326 |
break;
|
lubomir@676
|
327 |
case 5:
|
lubomir@676
|
328 |
this.hi32 = (this.hi32 & ~(smask << 16))
|
lubomir@676
|
329 |
| (svalue << 16);
|
lubomir@676
|
330 |
break;
|
lubomir@676
|
331 |
}
|
lubomir@676
|
332 |
}
|
lubomir@676
|
333 |
|
lubomir@676
|
334 |
this.getDigit = function(index, shift) {
|
lubomir@676
|
335 |
return this.get16((index << 4) - shift);
|
lubomir@676
|
336 |
}
|
lubomir@676
|
337 |
|
lubomir@676
|
338 |
this.getTwoDigits = function(index, shift) {
|
lubomir@676
|
339 |
return this.get32(((index - 1) << 4) - shift);
|
lubomir@676
|
340 |
}
|
lubomir@676
|
341 |
|
lubomir@676
|
342 |
this.setDigit = function(index, shift, value) {
|
lubomir@676
|
343 |
this.set16((index << 4) - shift, value);
|
lubomir@676
|
344 |
}
|
lubomir@676
|
345 |
|
lubomir@676
|
346 |
this.countSignificantDigits = function() {
|
lubomir@676
|
347 |
var sd;
|
lubomir@676
|
348 |
var remaining;
|
lubomir@676
|
349 |
|
lubomir@676
|
350 |
if (this.hi32 === 0) {
|
lubomir@676
|
351 |
if (this.lo32 === 0) {
|
lubomir@676
|
352 |
return 0;
|
lubomir@676
|
353 |
}
|
lubomir@676
|
354 |
|
lubomir@676
|
355 |
sd = 2;
|
lubomir@676
|
356 |
remaining = this.lo32;
|
lubomir@676
|
357 |
} else {
|
lubomir@676
|
358 |
sd = 4;
|
lubomir@676
|
359 |
remaining = this.hi32;
|
lubomir@676
|
360 |
}
|
lubomir@676
|
361 |
|
lubomir@676
|
362 |
if (remaining < 0) {
|
lubomir@676
|
363 |
return sd;
|
lubomir@676
|
364 |
}
|
lubomir@676
|
365 |
|
lubomir@676
|
366 |
return (remaining < 65536) ? sd - 1 : sd;
|
lubomir@676
|
367 |
}
|
lubomir@676
|
368 |
|
lubomir@676
|
369 |
this.toNumber = function() {
|
lubomir@676
|
370 |
var lo32 = this.lo32;
|
lubomir@676
|
371 |
if (lo32 < 0) {
|
lubomir@676
|
372 |
lo32 += 0x100000000;
|
lubomir@676
|
373 |
}
|
lubomir@676
|
374 |
|
lubomir@676
|
375 |
return this.hi32.next32(lo32);
|
lubomir@676
|
376 |
}
|
lubomir@676
|
377 |
}
|
lubomir@676
|
378 |
|
lubomir@676
|
379 |
function __countLeadingZeroes16(number) {
|
lubomir@676
|
380 |
var nlz = 0;
|
lubomir@676
|
381 |
|
lubomir@676
|
382 |
if (number < 256) {
|
lubomir@676
|
383 |
nlz += 8;
|
lubomir@676
|
384 |
number <<= 8;
|
lubomir@676
|
385 |
}
|
lubomir@676
|
386 |
|
lubomir@676
|
387 |
if (number < 4096) {
|
lubomir@676
|
388 |
nlz += 4;
|
lubomir@676
|
389 |
number <<= 4;
|
lubomir@676
|
390 |
}
|
lubomir@676
|
391 |
|
lubomir@676
|
392 |
if (number < 16384) {
|
lubomir@676
|
393 |
nlz += 2;
|
lubomir@676
|
394 |
number <<= 2;
|
lubomir@676
|
395 |
}
|
lubomir@676
|
396 |
|
lubomir@676
|
397 |
return (number < 32768) ? nlz + 1 : nlz;
|
lubomir@676
|
398 |
}
|
lubomir@676
|
399 |
|
lubomir@676
|
400 |
// q = u / v; r = u - q * v;
|
lubomir@676
|
401 |
// v != 0
|
lubomir@676
|
402 |
function __div64(q, r, u, v) {
|
lubomir@676
|
403 |
var m = u.countSignificantDigits();
|
lubomir@676
|
404 |
var n = v.countSignificantDigits();
|
lubomir@676
|
405 |
|
lubomir@676
|
406 |
q.hi32 = q.lo32 = 0;
|
lubomir@676
|
407 |
|
lubomir@676
|
408 |
if (n === 1) {
|
lubomir@676
|
409 |
// v has single digit
|
lubomir@676
|
410 |
var vd = v.getDigit(0, 0);
|
lubomir@676
|
411 |
var carry = 0;
|
lubomir@676
|
412 |
for (var i = m - 1; i >= 0; --i) {
|
lubomir@676
|
413 |
var ui = (carry << 16) | u.getDigit(i, 0);
|
lubomir@676
|
414 |
if (ui < 0) {
|
lubomir@676
|
415 |
ui += 0x100000000;
|
lubomir@676
|
416 |
}
|
lubomir@676
|
417 |
var qi = (ui / vd) | 0;
|
lubomir@676
|
418 |
q.setDigit(i, 0, qi);
|
lubomir@676
|
419 |
carry = ui - qi * vd;
|
lubomir@676
|
420 |
}
|
lubomir@676
|
421 |
|
lubomir@676
|
422 |
r.hi32 = 0;
|
lubomir@676
|
423 |
r.lo32 = carry;
|
lubomir@676
|
424 |
return;
|
lubomir@676
|
425 |
}
|
lubomir@676
|
426 |
|
lubomir@676
|
427 |
r.hi32 = u.hi32;
|
lubomir@676
|
428 |
r.lo32 = u.lo32;
|
lubomir@676
|
429 |
|
lubomir@676
|
430 |
if (m < n) {
|
lubomir@676
|
431 |
return;
|
lubomir@676
|
432 |
}
|
lubomir@676
|
433 |
|
lubomir@676
|
434 |
// Normalize
|
lubomir@676
|
435 |
var nrm = __countLeadingZeroes16(v.getDigit(n - 1, 0));
|
lubomir@676
|
436 |
|
lubomir@676
|
437 |
var vd1 = v.getDigit(n - 1, nrm);
|
lubomir@676
|
438 |
var vd0 = v.getDigit(n - 2, nrm);
|
lubomir@676
|
439 |
for (var j = m - n; j >= 0; --j) {
|
lubomir@676
|
440 |
// Calculate qj estimate
|
lubomir@676
|
441 |
var ud21 = r.getTwoDigits(j + n, nrm);
|
lubomir@676
|
442 |
var ud2 = ud21 >>> 16;
|
lubomir@676
|
443 |
if (ud21 < 0) {
|
lubomir@676
|
444 |
ud21 += 0x100000000;
|
lubomir@676
|
445 |
}
|
lubomir@676
|
446 |
|
lubomir@676
|
447 |
var qest = (ud2 === vd1) ? 0xFFFF : ((ud21 / vd1) | 0);
|
lubomir@676
|
448 |
var rest = ud21 - qest * vd1;
|
lubomir@676
|
449 |
|
lubomir@676
|
450 |
// 0 <= (qest - qj) <= 2
|
lubomir@676
|
451 |
|
lubomir@676
|
452 |
// Refine qj estimate
|
lubomir@676
|
453 |
var ud0 = r.getDigit(j + n - 2, nrm);
|
lubomir@676
|
454 |
while ((qest * vd0) > ((rest * 0x10000) + ud0)) {
|
lubomir@676
|
455 |
--qest;
|
lubomir@676
|
456 |
rest += vd1;
|
lubomir@676
|
457 |
}
|
lubomir@676
|
458 |
|
lubomir@676
|
459 |
// 0 <= (qest - qj) <= 1
|
lubomir@676
|
460 |
|
lubomir@676
|
461 |
// Multiply and subtract
|
lubomir@676
|
462 |
var carry = 0;
|
lubomir@676
|
463 |
for (var i = 0; i < n; ++i) {
|
lubomir@676
|
464 |
var vi = qest * v.getDigit(i, nrm);
|
lubomir@676
|
465 |
var ui = r.getDigit(i + j, nrm) - carry - (vi & 0xffff);
|
lubomir@676
|
466 |
r.setDigit(i + j, nrm, ui);
|
lubomir@676
|
467 |
carry = (vi >>> 16) - (ui >> 16);
|
lubomir@676
|
468 |
}
|
lubomir@676
|
469 |
var uj = ud2 - carry;
|
lubomir@676
|
470 |
|
lubomir@676
|
471 |
if (uj < 0) {
|
lubomir@676
|
472 |
// qest - qj = 1
|
lubomir@676
|
473 |
|
lubomir@676
|
474 |
// Add back
|
lubomir@676
|
475 |
--qest;
|
lubomir@676
|
476 |
var carry = 0;
|
lubomir@676
|
477 |
for (var i = 0; i < n; ++i) {
|
lubomir@676
|
478 |
var ui = r.getDigit(i + j, nrm) + v.getDigit(i, nrm)
|
lubomir@676
|
479 |
+ carry;
|
lubomir@676
|
480 |
r.setDigit(i + j, nrm, ui);
|
lubomir@676
|
481 |
carry = ui >> 16;
|
lubomir@676
|
482 |
}
|
lubomir@676
|
483 |
uj += carry;
|
lubomir@676
|
484 |
}
|
lubomir@676
|
485 |
|
lubomir@676
|
486 |
q.setDigit(j, 0, qest);
|
lubomir@676
|
487 |
r.setDigit(j + n, nrm, uj);
|
lubomir@676
|
488 |
}
|
lubomir@676
|
489 |
}
|
lubomir@737
|
490 |
|
lubomir@737
|
491 |
numberPrototype.div32 = function(x) {
|
lubomir@737
|
492 |
if (x === 0) {
|
lubomir@737
|
493 |
__handleDivByZero();
|
lubomir@737
|
494 |
}
|
lubomir@737
|
495 |
|
lubomir@737
|
496 |
return (this / x) | 0;
|
lubomir@737
|
497 |
}
|
lubomir@737
|
498 |
|
lubomir@737
|
499 |
numberPrototype.mod32 = function(x) {
|
lubomir@737
|
500 |
if (x === 0) {
|
lubomir@737
|
501 |
__handleDivByZero();
|
lubomir@737
|
502 |
}
|
lubomir@737
|
503 |
|
lubomir@737
|
504 |
return (this % x);
|
lubomir@737
|
505 |
}
|
lubomir@737
|
506 |
|
lubomir@676
|
507 |
numberPrototype.div64 = function(x) {
|
lubomir@676
|
508 |
var negateResult = false;
|
lubomir@676
|
509 |
var u, v;
|
lubomir@737
|
510 |
|
lubomir@676
|
511 |
if ((this.high32() & 0x80000000) != 0) {
|
lubomir@676
|
512 |
u = this.neg64();
|
lubomir@676
|
513 |
negateResult = !negateResult;
|
lubomir@676
|
514 |
} else {
|
lubomir@676
|
515 |
u = this;
|
lubomir@676
|
516 |
}
|
lubomir@676
|
517 |
|
lubomir@676
|
518 |
if ((x.high32() & 0x80000000) != 0) {
|
lubomir@676
|
519 |
v = x.neg64();
|
lubomir@676
|
520 |
negateResult = !negateResult;
|
lubomir@676
|
521 |
} else {
|
lubomir@676
|
522 |
v = x;
|
lubomir@676
|
523 |
}
|
lubomir@676
|
524 |
|
lubomir@778
|
525 |
if ((v == 0) && (v.high32() === 0)) {
|
lubomir@737
|
526 |
__handleDivByZero();
|
lubomir@676
|
527 |
}
|
lubomir@676
|
528 |
|
lubomir@676
|
529 |
if (u.high32() === 0) {
|
lubomir@676
|
530 |
if (v.high32() === 0) {
|
lubomir@676
|
531 |
var result = (u / v) | 0;
|
lubomir@676
|
532 |
return negateResult ? result.neg64() : result;
|
lubomir@676
|
533 |
}
|
lubomir@676
|
534 |
|
lubomir@676
|
535 |
return 0;
|
lubomir@676
|
536 |
}
|
lubomir@676
|
537 |
|
lubomir@676
|
538 |
var u64 = new __Int64(u.high32(), u);
|
lubomir@676
|
539 |
var v64 = new __Int64(v.high32(), v);
|
lubomir@676
|
540 |
var q64 = new __Int64(0, 0);
|
lubomir@676
|
541 |
var r64 = new __Int64(0, 0);
|
lubomir@676
|
542 |
|
lubomir@676
|
543 |
__div64(q64, r64, u64, v64);
|
lubomir@676
|
544 |
|
lubomir@676
|
545 |
var result = q64.toNumber();
|
lubomir@676
|
546 |
return negateResult ? result.neg64() : result;
|
lubomir@676
|
547 |
}
|
lubomir@676
|
548 |
|
lubomir@676
|
549 |
numberPrototype.mod64 = function(x) {
|
lubomir@676
|
550 |
var negateResult = false;
|
lubomir@676
|
551 |
var u, v;
|
lubomir@676
|
552 |
|
lubomir@676
|
553 |
if ((this.high32() & 0x80000000) != 0) {
|
lubomir@676
|
554 |
u = this.neg64();
|
lubomir@676
|
555 |
negateResult = !negateResult;
|
lubomir@676
|
556 |
} else {
|
lubomir@676
|
557 |
u = this;
|
lubomir@676
|
558 |
}
|
lubomir@676
|
559 |
|
lubomir@676
|
560 |
if ((x.high32() & 0x80000000) != 0) {
|
lubomir@676
|
561 |
v = x.neg64();
|
lubomir@676
|
562 |
} else {
|
lubomir@676
|
563 |
v = x;
|
lubomir@676
|
564 |
}
|
lubomir@676
|
565 |
|
lubomir@778
|
566 |
if ((v == 0) && (v.high32() === 0)) {
|
lubomir@737
|
567 |
__handleDivByZero();
|
lubomir@676
|
568 |
}
|
lubomir@676
|
569 |
|
lubomir@676
|
570 |
if (u.high32() === 0) {
|
lubomir@676
|
571 |
var result = (v.high32() === 0) ? (u % v) : u;
|
lubomir@676
|
572 |
return negateResult ? result.neg64() : result;
|
lubomir@676
|
573 |
}
|
lubomir@676
|
574 |
|
lubomir@676
|
575 |
var u64 = new __Int64(u.high32(), u);
|
lubomir@676
|
576 |
var v64 = new __Int64(v.high32(), v);
|
lubomir@676
|
577 |
var q64 = new __Int64(0, 0);
|
lubomir@676
|
578 |
var r64 = new __Int64(0, 0);
|
lubomir@676
|
579 |
|
lubomir@676
|
580 |
__div64(q64, r64, u64, v64);
|
lubomir@676
|
581 |
|
lubomir@676
|
582 |
var result = r64.toNumber();
|
lubomir@676
|
583 |
return negateResult ? result.neg64() : result;
|
lubomir@676
|
584 |
}
|
lubomir@678
|
585 |
})(Number.prototype);
|
jaroslav@832
|
586 |
|
jaroslav@832
|
587 |
vm.java_lang_Number(false);
|