Test for availability of ff extensions

checks if this version of package ff supports ff extensions.

Usage

ffxtensions()
 ffsymmxtensions()

Value

logical scalar

Details

ff extensions are needed for certain bitcompressed vmodes and ff symm extensions for symmetric matrices.

Author

Jens Oehlschlägel

See also

vmode

Examples

  ffxtensions()
#> [1] TRUE
  ffsymmxtensions()
#> [1] FALSE