A collection of arithmetic convenience functions

math.hpp

Defines a number of template functions for mathematical and arithmetical operations in the Math namespace.

• round and floor functions that accept a second parameter - the number of digits after the decimal point to round or floor to.
• round, floor and ceil functions that accept an extra template parameter for the output type which can be integer or floating-point.
• abs function suitable both for integer and floating-point values. For integer values, it takes in to account that the opposite value for std::numeric_limits<T>::min() is not representable in the same type, so it truncates it to ::max().
• clamp(T min, T value, T max) function template.
• signum function template (returns -1 for negative value, 0 for zero and 1 for positive).
• squared function template that accepts an output type that can be larger than the inputtype to fit the result reliably.
• bool isInRange(const T value, const T lowerBound, const T upperBound) function template.
• arithmeticMean, geometricMean: function templates that take a parameter pack and return the mean value of the values in the pack. Can be used to conveniently calculate the mean of 3-4-5 values.