vmmul -- vector-matrix multiply
 Sweeping column size, row major:
   -1 -- Out-of-place, complex
   -2 -- Out-of-place, complex, using vmul
   -3 -- Out-of-place, complex, scaled
   -4 -- Out-of-place, complex, scaled, using vmul
 Sweeping row size, row major:
  -11 -- Out-of-place, complex
  -12 -- Out-of-place, complex, using vmul
  -13 -- Out-of-place, complex, scaled
  -14 -- Out-of-place, complex, scaled, using vmul
 Sweeping column size, column major:
  -21 -- Out-of-place, complex
  -22 -- Out-of-place, complex, using vmul
  -23 -- Out-of-place, complex, scaled
  -24 -- Out-of-place, complex, scaled, using vmul
 Sweeping row size, column major:
  -31 -- Out-of-place, complex
  -32 -- Out-of-place, complex, using vmul
  -33 -- Out-of-place, complex, scaled
  -34 -- Out-of-place, complex, scaled, using vmul

 Parameters (for sweeping number of columns, cases 1-4, 21-24)
  -p:rows ROWS -- set number of rows (default 64)

 Parameters (for sweeping number of columns, cases 11-14, 31-34)
  -p:cols COLS -- set number of columns (default 2048)