ba3ea30e8e
git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@1639 b08c6af1-5177-4d33-ba66-4b1c6b8b522a
94 lines
2.2 KiB
Prolog
94 lines
2.2 KiB
Prolog
/*************************************************************************
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* *
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* YAP Prolog *
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* *
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* Yap Prolog was developed at NCCUP - Universidade do Porto *
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* *
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* Copyright L.Damas, V.S.Costa and Universidade do Porto 1985-2006 *
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* *
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**************************************************************************
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* *
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* File: matrices.yap *
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* Last rev: *
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* mods: *
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* comments: Have some fun with blobs *
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* *
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*************************************************************************/
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/*
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A matrix is an object with integer or floating point numbers. A matrix
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may have a number of dimensions. These routines implement a number of
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routine manipulation procedures.
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matrix(Type,D1,D2,...,Dn,data(......))
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Type = int, float
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*/
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:- module( matrices,
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[
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matrix_new/4,
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matrix_dim/2,
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matrix_type/2,
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matrix_max/2]).
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:- use_module(library_lists,
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[append/3]).
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matrix_new(Type,Dims,Data,Matrix) :-
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PackedData =.. [data|Data],
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append([Type,Dims],PackedData,MatInfo),
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Matrix =.. [matrix|MatInfo].
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matrix_dim(Matrix,Dim) :-
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functor(Matrix,matrix,Arity),
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Dim is Arity-2.
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matrix_type(Matrix,Type) :-
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arg(1, Matrix, Type).
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Dim is Arity-2.
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matrix_max(Matrix,Max) :-
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arg(1, Matrix, Type).
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typed_matrix_max(Type, Matrix, Max).
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typed_matrix_max(int, Matrix, Max) :-
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int_max_of_matrix(Matrix, Max, _).
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typed_matrix_max(float, Matrix, Max) :-
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float_max_of_matrix(Matrix, Max, _).
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matrix_maxarg(Matrix,Max) :-
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arg(1, Matrix, Type).
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typed_matrix_maxarg(Type, Matrix, Max).
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typed_matrix_maxarg(int, Matrix, Max) :-
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int_max_of_matrix(Matrix, _, Max).
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typed_matrix_maxarg(float, Matrix, Max) :-
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float_max_of_matrix(Matrix, _, Max).
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matrix_min(Matrix,Min) :-
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arg(1, Matrix, Type).
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typed_matrix_min(Type, Matrix, Min).
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typed_matrix_min(int, Matrix, Min) :-
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int_min_of_matrix(Matrix, Min, _).
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typed_matrix_min(float, Matrix, Min) :-
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float_min_of_matrix(Matrix, Min, _).
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matrix_minarg(Matrix,Min) :-
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arg(1, Matrix, Type).
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typed_matrix_minarg(Type, Matrix, Min).
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typed_matrix_minarg(int, Matrix, Min) :-
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int_min_of_matrix(Matrix, _, Min).
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typed_matrix_minarg(float, Matrix, Min) :-
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float_min_of_matrix(Matrix, _, Min).
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