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This happens on a 32bit box: guile> (logand #b1000000000000000000000000000000 0) 0 guile> (logand #b10000000000000000000000000000000 0) ERROR: In procedure logand in expression (logand 2147483648 0): ERROR: Wrong type argument in position 1: 2147483648 ABORT: (wrong-type-arg) I conclude from this this that Guile is unable to handle 32+ bit numbers with logical functions, is this correct? Since i need this (i'm trying to implement CAST-128 encryption as per RFC2144) i wonder wether anyone found any solution to this problem already short of using vectors for the bit patterns? I know i could patch the guile sources to include a CAST encryption function, but i'd prefer a Scheme-only solution. Any help is appreciated, and thanks in advance, -forcer -- /* A committee is a life form with six or more legs and no brain. */ /* email: forcer@mindless.com -><- www: http://webserver.de/forcer/ */ /* IRC: forcer@#StarWars (IRCnet) -><- PGP/GPG: available on my website */