CUSPARSE: Better error msg for unsupported sparse mm #1467
+44
−0
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currently when the element-type happens to be mix of
Float32
andFloat64
(which happens quite often for users when they usecu
for the conversion)mul!
will just call the generic fallback and ifCUDA.allowscalar
is not set, this would just throw a warning a while later.This PR let this dispatch path just error since it's not supported for now anyways.