Cyclotomic polynomial: Difference between revisions
m
J: (getting silly with these edits) left align assignment of 'divisor' with that of 'dividend', and preceding comment with body of that definition
m (J: more readable english) |
m (J: (getting silly with these edits) left align assignment of 'divisor' with that of 'dividend', and preceding comment with body of that definition) |
||
Line 2,163:
lgd=. # dividend=. _1,(-y){.1 NB. (x^n) - 1, and its size
lg=. >.&.(2&^.) lgl >. lgd NB. required lengths of all polynomials for fft transforms
unpad roundreal ifftw"1 divisor %~ fftw lg{.dividend NB. similar to article's multiplication
end.
|