Android examples for java.lang:Math
square root Long
//package com.java2s; public class Main { public static long sqrtLong(long n) { long low = 1; long high = n; long medium, square; do {/* w w w. j a v a2s .com*/ medium = (high + low) / 2; square = medium * medium; if (square < n) low = medium; if (square > n) high = medium; if (square == n) return medium; } while (high > low + 1); if (high * high == n) return high; else return low; } }