Method _create

packages/bigdecimal/index.ts:210–222

(
    mantissa: bigint,
    exponent: number,
    special: SpecialValue,
    negativeZero: boolean
  )

  // Private constructor for internal use
  private static _create(
    mantissa: bigint,
    exponent: number,
    special: SpecialValue,
    negativeZero: boolean
  ): BigDecimal {
    const bd = Object.create(BigDecimal.prototype) as BigDecimal
    ;(bd as any)._mantissa = mantissa
    ;(bd as any)._exponent = exponent
    ;(bd as any)._special = special
    ;(bd as any)._negativeZero = negativeZero
    return bd
  }

  // Auto-coerce to BigDecimal for decimal.js compat
  private static _coerce(v: BigDecimal | number | string | bigint): BigDecimal {