gmp::bigq vs. MASS::fractions

Enrico Schumann · 2023-01-09T10:18:24Z

On Sat, 07 Jan 2023, Sigbert Klinke writes: > Hi, > > has someone experience which routine should be used for > creating fractional numbers? The two conversion > routines deliver different results > >> x >> MASS::fractions(x) > > [1] 0 1/7 2/7 3/7 4/7 5/7 6/7 1 > >> gmp::as.bigq(x) > > Big Rational ('bigq') object of length 8: > > [1] 0 2573485501354569/18014398509481984 > 2573485501354569/9007199254740992 > > [4] 7720456504063707/18014398509481984 > 2573485501354569/4503599627

Enrico Schumann

Mon, Jan 9, 2023 2:18 AM

On Sat, 07 Jan 2023, Sigbert Klinke writes:

'gmp' allows you to create the fractions directly:

    gmp::as.bigq(n = 0:7, d = 7)
    ## Big Rational ('bigq') object of length 8:
    ## [1] 0   1/7 2/7 3/7 4/7 5/7 6/7 1

Enrico Schumann
Lucerne, Switzerland
http://enricoschumann.net

Thread (4 messages)

Sigbert Klinke gmp::bigq vs. MASS::fractions Jan 7 Ivan Krylov gmp::bigq vs. MASS::fractions Jan 7 Enrico Schumann gmp::bigq vs. MASS::fractions Jan 9 Sigbert Klinke gmp::bigq vs. MASS::fractions Jan 11