compact representation for matrix operations

git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@1737 b08c6af1-5177-4d33-ba66-4b1c6b8b522a
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vsc 2006-12-24 01:34:16 +00:00
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/*************************************************************************
* *
* YAP Prolog *
* *
* Yap Prolog was developed at NCCUP - Universidade do Porto *
* *
* Copyright L.Damas, V.S.Costa and Universidade do Porto 1985-2006 *
* *
**************************************************************************
* *
* File: matrix.yap *
* Last rev: *
* mods: *
* comments: Have some fun with blobs *
* *
*************************************************************************/
/*
A matrix is an object with integer or floating point numbers. A matrix
may have a number of dimensions. These routines implement a number of
routine manipulation procedures.
matrix(Type,D1,D2,...,Dn,data(......))
Type = int, float
Operations:
typedef enum {
MAT_SUM=0,
MAT_SUB=1,
MAT_TIMES=2,
MAT_DIV=3,
MAT_IDIV=4
} op_type;
*/
:- module( matrix,
[
matrix_new/3,
matrix_new/4,
matrix_new_set/4,
matrix_dims/2,
matrix_ndims/2,
matrix_size/2,
matrix_type/2,
matrix_to_list/2,
matrix_get/3,
matrix_set/3,
matrix_set_all/2,
matrix_add/3,
matrix_inc/2,
matrix_dec/2,
matrix_inc/3,
matrix_dec/3,
matrix_arg_to_offset/3,
matrix_offset_to_arg/3,
matrix_max/2,
matrix_maxarg/2,
matrix_min/2,
matrix_minarg/2,
matrix_sum/2,
matrix_sum_to_all/2,
matrix_agg_lines/3,
matrix_agg_cols/3,
matrix_op/4,
matrix_op_to_all/4,
matrix_op_to_lines/4,
matrix_op_to_cols/4
]).
:- load_foreign_files([matrix], [], init_matrix).
matrix_new(ints,Dims,Matrix) :-
length(Dims,NDims),
new_ints_matrix(NDims, Dims, [], Matrix).
matrix_new(floats,Dims,Matrix) :-
length(Dims,NDims),
new_float_matrix(NDims, Dims, [], Matrix).
matrix_new(ints,Dims,Data,Matrix) :-
length(Dims,NDims),
new_ints_matrix(NDims, Dims, Data, Matrix).
matrix_new(floats,Dims,Data,Matrix) :-
length(Dims,NDims),
new_float_matrix(NDims, Dims, Data, Matrix).
matrix_new_set(ints,Dims,Elem,Matrix) :-
length(Dims,NDims),
new_ints_matrix_set(NDims, Dims, Elem, Matrix).
matrix_new_set(floats,Dims,Elem,Matrix) :-
length(Dims,NDims),
new_floats_matrix_set(NDims, Dims, Elem, Matrix).
matrix_type(Matrix,Type) :-
matrix_type_as_number(Matrix, 0), !,
Type = ints.
matrix_type(_,floats).
matrix_agg_lines(M1,+,NM) :-
do_matrix_agg_lines(M1,0,NM).
/* other operations: *, logprod */
matrix_agg_cols(M1,+,NM) :-
do_matrix_agg_cols(M1,0,NM).
/* other operations: *, logprod */
matrix_op(M1,M2,+,NM) :-
do_matrix_op(M1,M2,0,NM).
matrix_op_to_all(M1,+,Num,NM) :-
do_matrix_op_to_all(M1,0,Num,NM).
matrix_op_to_all(M1,*,Num,NM) :-
do_matrix_op_to_all(M1,2,Num,NM).
matrix_op_to_all(M1,/,Num,NM) :-
% can only use floats.
FNum is float(Num),
do_matrix_op_to_all(M1,3,FNum,NM).
/* other operations: *, logprod */
matrix_op_to_lines(M1,M2,/,NM) :-
do_matrix_op_to_lines(M1,M2,3,NM).
/* other operations: *, logprod */
matrix_op_to_cols(M1,M2,+,NM) :-
do_matrix_op_to_cols(M1,M2,0,NM).
/* other operations: *, logprod */