DownloadPizza's Catalyst stuff

CatalystUtil.kt

package net.downloadpizza.cautil.matrix

typealias Matrix<T> = List<List<T>>

inline fun <T> readMatrix(height: Int, delimeter: String = " ", convert: (String) -> T): Matrix<T> =
    List(height) { readLine()!!.split(delimeter).map(convert) }

fun readIntMatrix(height: Int, delimeter: String = " "): Matrix<Int> =
    readMatrix(height, delimeter, String::toInt)

fun readDoubleMatrix(height: Int, delimeter: String = " "): Matrix<Double> =
    readMatrix(height, delimeter, String::toDouble)

inline fun <T, R> List<List<T>>.mapMatrix(transform: (T) -> R): Matrix<R> = this.map { it.map(transform) }

fun <T : Comparable<T>> List<List<T>>.matrixMax() = this.mapNotNull { it.max() }.max()

fun <T : Comparable<T>> List<List<T>>.matrixMin() = this.mapNotNull { it.min() }.min()