On 8/23/2019 8:39 PM, Shaobo He wrote:
Hello everyone,
I'm in need of quad-precision floating-point type/operations in Racket
(the bigfloat module doesn't work for me). It appears there's none, am
I right?
The only hardware I am aware of with IEEE compatible quad precision is
POWER9 (Vaxen had quad precision, but not IEEE compatible). So on most
platforms any implementation necessarily will be software: either an
emulation of quad or double-double.
Just out of curiosity, may I ask why bigfloat doesn't work for your
purpose? I know the range will be different between a quad and a
bigfloat having the same precision, but that seems like it ought to be
relatively easy to work around.
George
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