Function matrixMap2

components/dash-table/src/core/math/matrixZipMap.ts:75–96

(
    m1: Matrix<T1>,
    m2: Matrix<T2> | undefined,
    fn: (d1: T1, d2: T2 | undefined, i: number, j: number) => TR
)

}

export function matrixMap2<T1, T2, TR>(
    m1: Matrix<T1>,
    m2: Matrix<T2> | undefined,
    fn: (d1: T1, d2: T2 | undefined, i: number, j: number) => TR
): Matrix<TR> {
    const _m1_ = m1.length;

    const res: Matrix<TR> = new Array<TR[]>(_m1_);

    for (let i = 0; i < _m1_; ++i) {
        const _row_ = m1[i].length;
        const row = new Array<TR>(_row_);

        for (let j = 0; j < _row_; ++j) {
            row[j] = fn(m1[i][j], m2 ? m2[i][j] : undefined, i, j);
        }

        res[i] = row;
    }

    return res;
}

export function matrixMap3<T1, T2, T3, TR>(
    m1: Matrix<T1>,