ifdiv.pl

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attribute value
description
owner Johannes Waldmann
uploaded 2017-08-17 03:45:07.0
disk size 283 Bytes
downloadable true
type
attribute value
name no_type
processor id 1
description this is the default benchmark type for rejected benchmarks and benchmarks that are not associated with a type.
owning community none
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%query: div(i,i,o).

/* from Arts, Giesl, 2001 */

le(0,Y,true).
le(s(X),0,false).
le(s(X),s(Y),B) :- le(X,Y,B).
minus(X,0,X).
minus(s(X),s(Y),Z) :- minus(X,Y,Z).
div(X,s(Y),Z) :- le(s(Y),X,B), if(B,X,s(Y),Z).
if(false,X,s(Y),0).
if(true,X,s(Y),s(Z)) :- minus(X,Y,U), div(U,s(Y),Z).
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