kiss_fft_next_fast_size()

int kiss_fft_next_fast_size

(

int

n

)

Definition at line 420 of file kiss_fft.cpp.hpp.

{ // ok no noexcept: preserve vendor C declaration (#4773)
    while(1) {
        int m=n;
        while ( (m%2) == 0 ) m/=2;
        while ( (m%3) == 0 ) m/=3;
        while ( (m%5) == 0 ) m/=5;
        if (m<=1)
            break; /* n is completely factorable by twos, threes, and fives */
        n++;
    }
    return n;
}