I have the following dataframe: actual_credit min_required_credit 0 0.3 0.4 1 0.5 0.2 2 0.4 0.4 3 0.2 0.3 I need to add a column indicating where actual_credit >= min_required_credit. The r...

It is common knowledge that one has to be careful when comparing floating point values. Usually, instead of using ==, we use some epsilon or ULP based equality testing. However, I wonder, are ther...

I've recently been breaching out to Python, as C++ is fun and all, but python seems kinda cool. I want to make Python do something as long as the input is between a certain number range. def ...

In C++, do I have a guarantee that, for any given float a and float b, one and only one of a < b, a == b and a > b is true? If this differs between compilers and platforms, I am interested i...

Here is the test program: void testFunc() { double maxValue = DBL_MAX; double slope = std::numeric_limits<double>::quiet_NaN(); std::cout << "slope is " << slope << std...

Is there any difference between testing isTRUE(all.equal(x, y)) and identical(x, y)? The help page says: Don't use 'all.equal' directly in 'if' expressions — either use 'isTRUE(all.equa...