Code generation to C/C++ compiler option "fp:strict"

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Mansoor Aman
Mansoor Aman 2020-1-29
评论： Mansoor Aman 2020-1-30
When running codegen, the makefiles always have the "fp:strict" compiler option. Is there anyway to modify this option?
As a work-around, I can manually modify the makefile manually and re-run it.

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回答（1 个）

Darshan Ramakant Bhat
I could not reproduce this in R2019b version of MATLAB (and I have not verified this is the case in the previous releases).
You can take a look at coder.updatebuildinfo function to modify the compiler flags.
You can try doing something like below if that is what you want :
coder.updateBuildInfo('addCompileFlags','/fp:fast');
You can also take a look at post-codegen-command :
https://www.mathworks.com/help/coder/ug/customizing-the-post-code-generation-build-process.html#bsy7cni
Hope this will help you.
  1 个评论
Mansoor Aman
Mansoor Aman 2020-1-30
So the default *.mk file or build.ninja file in: "C:\Program Files\MATLAB\R2017b\toolbox\coder\coder\mex\c" include this flag and so it works its way into the generated makefile.
For example, Matlab 2017b "mex_msvc.mk" has this on line 18.

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