Nichols A. Romero 236b34f3df Introduce fftw-api virtual package for Intel-MKL and FFTW (#9618) ...

* Introduce FFTW2 and FFT3 providers for Intel-MKL and FFTW Spack packages.

* make fftw default package for fftw-api virtual package

* virtual package test assertion now provides location of default virtual packages.

* Change name of virtual package to fftw-api and used versioned interface.

2018-11-09 08:16:11 -08:00

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spack

Introduce fftw-api virtual package for Intel-MKL and FFTW (#9618)

2018-11-09 08:16:11 -08:00