* pfft: fix to handle 'precision' variant in fftw
pfft had been checking for +double, etc. in fftw spec, which no longer
are present (replaced by Multivalued variant precision).
* pfft: fix to handle 'precision' variant in fftw
pfft had been checking for +double, etc. in fftw spec, which no
longer are present (replaced by Multivalued variant precision).
(amended to use more idiomatic checks as suggested by @alalazo)
e10c134745