C++:RealNumber

lastmod 2015-08-25created 2015-08-251 edits

Comparison real number

• c++ comparison of two double values not working properly
• Most effective way for float and double comparison

Floating-point variables can be compared as follows.

bool double_equals(double a, double b, double epsilon = 0.001)
{
    return std::abs(a - b) < epsilon;
}