before you look at speed, did you verify you get the exact same math results in ...

toolslive on Oct 24, 2019 | parent | context | favorite | on: Rust and C++ on Floating-Point Intensive Code

before you look at speed, did you verify you get the exact same math results in Rust and C++ (and for each compiler and platform) ? For C++ code, I have seen the results of calculations vary across compilers (and flags)