(other: BigDecimal)
| 525 | } |
| 526 | |
| 527 | private _compareTo(other: BigDecimal): number { |
| 528 | // Returns -1, 0, 1 |
| 529 | if ( |
| 530 | this._special === SpecialValue.NAN || |
| 531 | other._special === SpecialValue.NAN |
| 532 | ) { |
| 533 | return NaN |
| 534 | } |
| 535 | |
| 536 | // Handle infinities |
| 537 | if (this._special === SpecialValue.POSITIVE_INFINITY) { |
| 538 | return other._special === SpecialValue.POSITIVE_INFINITY ? 0 : 1 |
| 539 | } |
| 540 | if (this._special === SpecialValue.NEGATIVE_INFINITY) { |
| 541 | return other._special === SpecialValue.NEGATIVE_INFINITY ? 0 : -1 |
| 542 | } |
| 543 | if (other._special === SpecialValue.POSITIVE_INFINITY) return -1 |
| 544 | if (other._special === SpecialValue.NEGATIVE_INFINITY) return 1 |
| 545 | |
| 546 | // Both finite - treat zeros as equal regardless of sign |
| 547 | const thisZero = this._mantissa === 0n |
| 548 | const otherZero = other._mantissa === 0n |
| 549 | if (thisZero && otherZero) return 0 |
| 550 | if (thisZero) return other._mantissa > 0n ? -1 : 1 |
| 551 | if (otherZero) return this._mantissa > 0n ? 1 : -1 |
| 552 | |
| 553 | // Different signs |
| 554 | const thisNeg = this._mantissa < 0n |
| 555 | const otherNeg = other._mantissa < 0n |
| 556 | if (thisNeg !== otherNeg) return thisNeg ? -1 : 1 |
| 557 | |
| 558 | // Same sign - align exponents and compare |
| 559 | let m1 = this._mantissa |
| 560 | let m2 = other._mantissa |
| 561 | const e1 = this._exponent |
| 562 | const e2 = other._exponent |
| 563 | const minE = Math.min(e1, e2) |
| 564 | if (e1 > minE) m1 *= bigintPow10(e1 - minE) |
| 565 | if (e2 > minE) m2 *= bigintPow10(e2 - minE) |
| 566 | |
| 567 | if (m1 < m2) return -1 |
| 568 | if (m1 > m2) return 1 |
| 569 | return 0 |
| 570 | } |
| 571 | |
| 572 | lessThan(y: BigDecimal | number | string | bigint): boolean { |
| 573 | const c = this._compareTo(BigDecimal._coerce(y)) |
no test coverage detected