incremental constraint solver

incremental constraint solver

A system in which a constraint solver is given constraints one at a time by an inference engine (as is found in Prolog). The solver adds the new constraint to an initially empty set of solved constraints. If the new constraint is consistent with the solved constraints it will be added to the set. If it was inconsistent, the inference engine backtracks. This is the basis of Constraint Logic Programming.
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The system combines Prolog implementation technology with a specialized incremental constraint solver. Considerable effort has gone into the design and implementation of this compiler and the core CLAM instruction set, so that the compiler can perform many local optimizations.
An Incremental Constraint Solver A constraint describes a relation that should be satisfied.

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