Java Utililty Methods Number Sum

List of utility methods to do Number Sum

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Description

The list of methods to do Number Sum are organized into topic(s).

Method

doublesum(double a, double b)
Make sum of two double values. 
return a + b;
doublesum(double start, double end, double step)
sum 
if (start > end) {
    throw new IllegalArgumentException("Lower limit > upper limit!");
} else if (start + step > end) {
    throw new IllegalArgumentException("Lower limit + step > upper limit!");
} else if (step <= 0) {
    throw new IllegalArgumentException("Step = 0!");
} else if (start == end) {
    return start;
...
doublesum(double x, double y)
Calculates sum of two doubles, but treats NaNs as zeros. 
return Double.isNaN(x) ? y : Double.isNaN(y) ? x : x + y;
doublesum(double x, double y)
sum 
return Double.isNaN(x) ? y : Double.isNaN(y) ? x : x + y;
doublesum(final Iterable values)
Calculates the sum of a Collection 
double sum = 0;
for (final Double element : values) {
    sum += element;
return sum;
longsum(final Iterable ns)
sum 
long res = 0;
for (final long n : ns) {
    res += n;
return res;
intsum(int a, int b)
sum 
return a + b;
intsum(int matrix1, int matrix2)
sum 
return matrix1 ^ matrix2;
doublesum(Iterable as)
The sum of a sequence of floating-point numbers 
double sum = 0;
for (double a : as) {
    sum += a;
return sum;
intsum(Iterable iterable)
sum 
int sum = 0;
for (int i : iterable) {
    sum += i;
return sum;