Hum, slightly amended patch, after checking 32-bit results on another linux machine. The test for FMA has been made a bit less strict, because otherwise we have surprised on 387 arithmetic due to excess precision.
Final patch is attached. Regression-tested on x86_64-pc-linux-gnu, both 32- and 64-bit. OK to commit? FX
0001-fortran-Add-IEEE_SIGNBIT-and-IEEE_FMA-functions.patch
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