Gauss-Jordan matrix inversion: Difference between revisions
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(When compiling specifically for Opteron 6344 with GCC 12 (and nearby versions), I had trouble unless I added <code>-fno-expensive-optimizations</code>. It is some problem involving fused multiply-add instructions. The same problem occurs if you use the built-in <code>fma</code> function of GCC. Other projects have had similar difficulties.)
<pre style="font-size:90%">$ patscc -std=gnu2x -g -O2 -fno-expensive-optimizations -DATS_MEMALLOC_GCBDW gauss_jordan_task.dats -lgc && ./a.out
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