decimal128/src/common.mjs

Partial implementation of IEEE 754 Decimal128 decimal floating-point numbers

export function countFractionalDigits(s) {
    let [, fractional] = s.split(".");
    if (undefined === fractional) {
        return 0;
    }
    return fractional.length;
}
export const ROUNDING_MODE_CEILING = "ceil";
export const ROUNDING_MODE_FLOOR = "floor";
export const ROUNDING_MODE_TRUNCATE = "trunc";
export const ROUNDING_MODE_HALF_EVEN = "halfEven";
export const ROUNDING_MODE_HALF_EXPAND = "halfExpand";
export const ROUNDING_MODES = [
    ROUNDING_MODE_CEILING,
    ROUNDING_MODE_FLOOR,
    ROUNDING_MODE_TRUNCATE,
    ROUNDING_MODE_HALF_EVEN,
    ROUNDING_MODE_HALF_EXPAND,
];