Java Utililty Methods Square Calculate

List of utility methods to do Square Calculate

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Description

The list of methods to do Square Calculate are organized into topic(s).

Method

doublesquareRoot(Number num)
Compute an approximate square root of num. 
double n = num.doubleValue();
double lower = 1.0;
double upper = n;
while (upper - lower > 0.0001) {
    double mid = upper / 2.0 + lower / 2.0;
    if (mid * mid < n)
        lower = mid;
    else
...
doublesquareSign(double value)
square Sign 
if (value < 0) {
    return -(value * value);
return value * value;
doublesquareSum(double... doubles)
square Sum 
double sum = 0;
for (double d : doubles) {
    sum += d * d;
return sum;