pvzzombs /
arb
| @@ 535-563 (lines=29) @@ | ||
| 532 | } |
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| 533 | ||
| 534 | //sd subtracts the decimal part of string |
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| 535 | function sd(x, y) {
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| 536 | var xl, yl, i; |
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| 537 | xl = x.length; |
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| 538 | yl = y.length; |
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| 539 | if (xl < yl) {
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| 540 | x += zero(yl - xl); |
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| 541 | } else if (xl > yl) {
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| 542 | y += zero(xl - yl); |
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| 543 | } |
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| 544 | ||
| 545 | x = x.split("").reverse();
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| 546 | y = y.split("").reverse();
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| 547 | ||
| 548 | var borrow = 0, |
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| 549 | diff = [], |
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| 550 | temp = 0; |
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| 551 | xl = x.length; |
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| 552 | for (i = 0; i < xl; i++) {
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| 553 | temp = (x[i] * 1) - (y[i] * 1) - borrow; |
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| 554 | if (temp < 0) {
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| 555 | temp = (10 + x[i] * 1 - y[i] * 1 - borrow); |
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| 556 | borrow = 1; |
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| 557 | } else {
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| 558 | borrow = 0; |
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| 559 | } |
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| 560 | diff.push(temp); |
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| 561 | } |
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| 562 | return [diff.reverse().join(""), borrow + ""];
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| 563 | } |
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| 564 | ||
| 565 | //subtract is a operator |
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| 566 | function subtract(_a, _b) {
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| @@ 505-532 (lines=28) @@ | ||
| 502 | } |
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| 503 | ||
| 504 | //s subtracts the integer part of a string |
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| 505 | function s(x, y) {
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| 506 | var xl, yl, i; |
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| 507 | xl = x.length; |
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| 508 | yl = y.length; |
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| 509 | if (xl < yl) {
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| 510 | x = zero(yl - xl) + x; |
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| 511 | } else if (xl > yl) {
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| 512 | y = zero(xl - yl) + y; |
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| 513 | } |
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| 514 | x = x.split("").reverse();
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| 515 | y = y.split("").reverse();
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| 516 | ||
| 517 | var borrow = 0, |
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| 518 | diff = [], |
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| 519 | temp = 0; |
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| 520 | xl = x.length; |
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| 521 | for (i = 0; i < xl; i++) {
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| 522 | temp = (x[i] * 1) - (y[i] * 1) - borrow; |
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| 523 | if (temp < 0) {
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| 524 | temp = (10 + x[i] * 1 - y[i] * 1 - borrow); |
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| 525 | borrow = 1; |
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| 526 | } else {
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| 527 | borrow = 0; |
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| 528 | } |
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| 529 | diff.push(temp); |
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| 530 | } |
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| 531 | return diff.reverse().join("");
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| 532 | } |
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| 533 | ||
| 534 | //sd subtracts the decimal part of string |
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| 535 | function sd(x, y) {
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