Parlog is a programming language created in 1983 by Steve Gregory and Keith L. Clark.
| #1665on PLDB | 41Years Old |
Parlog is a logic programming language designed for efficient utilization of parallel computer architectures. Its semantics is based on first order predicate logic. It expresses concurrency, interprocess communication, indeterminacy and synchronization within the declarative language framework.It was designed at Imperial College, London by Steve Gregory and Keith L. Read more on Wikipedia...
mode qsort(list?,sorted_list^).
qsort([N|Rest],Sorted) <-
partition(N,Rest,LessN,MoreN),
qsort(LessN,SortedLess),
qsort(MoreN,SortedMore),
append(SortedLess,[N|SortedMore],Sorted).
qsort([],[]).