search for: float_approx

Hi all, With some downtime it's time for some CMake fixes. Most critically is the SSE fixes to avoid crashes that is described in 154 and 132 in github. Patch 5 should address this and also adding APPROX-FLOAT option. Hopefully this can give some gains for those of us running on Windows servers.j I went through the pull request and picked out a few that will ease up integration for

...hing goes wrong. > - About the alloca part, I'm not sure I understand what's happening but > it looks like alloca gets enabled only with MSVC and not gcc? That's > fine if gcc gets VAR_ARRAYS instead, but otherwise it's suboptimal and > may lead to problems. > - About FLOAT_APPROX, this is not the same as -ffast-math. FLOAT_APPROX > means that the code will approximate functions like exp() and log() by > directly playing with the bits *assuming* that the float data is in IEEE > 754 format. That's the case for x86 and ARM, but there are odd > architectures tha...