Function withPrecision

test/big-decimal/precision-comparison.test.ts:53–64

(prec: number, fn: () => T)

}

function withPrecision<T>(prec: number, fn: () => T): T {
  const savedBD = BigDecimal.precision;
  const savedDJ = Decimal.precision;
  try {
    BigDecimal.precision = prec;
    Decimal.set({ precision: prec });
    return fn();
  } finally {
    BigDecimal.precision = savedBD;
    Decimal.set({ precision: savedDJ });
  }
}

/**
 * Run a precision comparison and return a summary string for snapshot testing.