Top "Numeric-limits" questions

std::numeric_limits is a C++ standard library class that contains traits and information about the built-in numeric types, such as the maximum and minimum representable values, number of digits, and whether the it is a signed type.

When a float variable goes out of the float limits, what happens?

I remarked two things: std::numeric_limits<float>::max()+(a small number) gives: std::numeric_limits<float&…

c++ c floating-point undefined-behavior numeric-limits
Is it possible to read infinity or NaN values using input streams?

I have some input to be read by a input filestream (for example): -365.269511 -0.356123 -Inf 0.000000 When I use std::…

c++ numeric-limits
incomplete type used in nested name specifier, Why?

The following code is a part of a fixed-length arithmetic type, i reduced it as much as i can to …

c++ templates numeric-limits
Using numeric_limits::max() in constant expressions

I would like to define inside a class a constant which value is the maximum possible int. Something like this: …

c++ std constexpr numeric-limits
The maximum value of "unsigned long int" in c++

How can I know what is the maximum assignable value for a variable from the the type of "unsigned long …

c++ numeric-limits
What can std::numeric_limits<double>::epsilon() be used for?

unsigned int updateStandardStopping(unsigned int numInliers, unsigned int totPoints, unsigned int sampleSize) { double max_hypotheses_=85000; double n_inliers = 1.0; double n_…

c++ std numeric-limits
Why is C++ numeric_limits<enum_type>::max() == 0?

Here's a bit of code that might seem like it would work: #include <cassert> #include <limits> …

c++ enums c++11 numeric-limits strongly-typed-enum