Create a gist now

Instantly share code, notes, and snippets.

anonymous /ofMath.cpp
Created May 24, 2015

What would you like to do?
multiplyepsilon.cpp
#include <iostream>
void large_range_check(float low, float high) {
float range = high - low;
float little_bit_small_range = (high - low) * (1.0f - std::numeric_limits<float>::epsilon());
printf("%x\n", *(reinterpret_cast<int *>(&range)));
printf("%x\n", *(reinterpret_cast<int *>(&little_bit_small_range)));
}
int main(){
large_range_check(0.0f, std::numeric_limits<float>::max());
large_range_check(0.0f, 3.0f);
}
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment