some matricial operations, very early development right now
git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@1639 b08c6af1-5177-4d33-ba66-4b1c6b8b522a
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/*************************************************************************
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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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@ -0,0 +1,58 @@
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#
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# default base directory for YAP installation
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# (EROOT for architecture-dependent files)
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#
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prefix = @prefix@
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ROOTDIR = $(prefix)
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EROOTDIR = @exec_prefix@
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#
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# where the binary should be
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#
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BINDIR = $(EROOTDIR)/bin
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#
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# where YAP should look for libraries
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#
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LIBDIR=$(EROOTDIR)/lib/Yap
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#
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#
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CC=@CC@
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CFLAGS= @CFLAGS@ $(YAP_EXTRAS) $(DEFS) -I$(srcdir) -I../.. -I$(srcdir)/../../include
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#
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#
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# You shouldn't need to change what follows.
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#
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INSTALL=@INSTALL@
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INSTALL_DATA=@INSTALL_DATA@
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INSTALL_PROGRAM=@INSTALL_PROGRAM@
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SHELL=/bin/sh
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RANLIB=@RANLIB@
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srcdir=@srcdir@
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SHLIB_CFLAGS=@SHLIB_CFLAGS@
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SHLIB_SUFFIX=@SHLIB_SUFFIX@
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#4.1VPATH=@srcdir@:@srcdir@/OPTYap
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CWD=$(PWD)
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#
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OBJS=matrices.o
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SOBJS=matrices@SHLIB_SUFFIX@
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#in some systems we just create a single object, in others we need to
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# create a libray
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all: $(SOBJS)
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matrices.o: $(srcdir)/matrices.c
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$(CC) -c $(CFLAGS) $(SHLIB_CFLAGS) $(srcdir)/matrices.c -o matrices.o
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@DO_SECOND_LD@%@SHLIB_SUFFIX@: %.o
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@DO_SECOND_LD@ @SHLIB_LD@ -o $@ $<
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@DO_SECOND_LD@matrices@SHLIB_SUFFIX@: matrices.o
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@DO_SECOND_LD@ @SHLIB_LD@ -o matrices@SHLIB_SUFFIX@ matrices.o
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install: all
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$(INSTALL_PROGRAM) $(SOBJS) $(DESTDIR)$(LIBDIR)
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clean:
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rm -f *.o *~ $(OBJS) $(SOBJS) *.BAK
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@ -0,0 +1,150 @@
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/*************************************************************************
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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 1985-1997 *
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* *
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**************************************************************************
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* *
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* File: random.c *
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* Last rev: *
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* mods: *
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* comments: regular expression interpreter *
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* *
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*************************************************************************/
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#include "config.h"
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#include "YapInterface.h"
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#include <math.h>
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#if defined(__MINGW32__) || _MSC_VER
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#include <windows.h>
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#endif
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void PROTO(init_matrices, (void));
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static int
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int_min_of_matrix(void)
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{
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Term t = YAP_ARG1;
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YAP_UInt dim = YAP_ArityOfFunctor(YAP_FunctorOfTerm(t)), i, pos;
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YAP_Int *mat = (YAP_Int *)malloc( dim*sizeof(YAP_Int) ), min;
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if (!mat)
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return FALSE;
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if (!YAP_ArgsToIntArray(t, dim, mat))
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return FALSE;
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min = mat[0];
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pos = 0;
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for (i = 1; i < dim; i++) {
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if (mat[i] < min) {
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min = mat[i];
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pos = i;
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}
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}
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return YAP_unify(YAP_ARG2, YAP_MkIntTerm(min)) &&
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YAP_unify(YAP_ARG3, YAP_MkIntTerm(pos));
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}
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static int
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float_min_of_matrix(void)
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{
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Term t = YAP_ARG1;
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YAP_UInt dim = YAP_ArityOfFunctor(YAP_FunctorOfTerm(t)), i, pos;
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YAP_Float *mat = (YAP_Float *)malloc( dim*sizeof(YAP_Float) ), min;
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if (!mat)
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return FALSE;
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if (!YAP_ArgsToFloatArray(t, dim, mat))
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return FALSE;
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min = mat[0];
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pos = 0;
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for (i = 1; i < dim; i++) {
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if (mat[i] < min) {
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min = mat[i];
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pos = i;
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}
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}
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return YAP_unify(YAP_ARG2, YAP_MkFloatTerm(min)) &&
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YAP_unify(YAP_ARG3, YAP_MkIntTerm(pos));
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}
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static int
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int_max_of_matrix(void)
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{
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Term t = YAP_ARG1;
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YAP_UInt dim = YAP_ArityOfFunctor(YAP_FunctorOfTerm(t)), i, pos;
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YAP_Int *mat = (YAP_Int *)malloc( dim*sizeof(YAP_Int) ), max;
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if (!mat)
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return FALSE;
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if (!YAP_ArgsToIntArray(t, dim, mat))
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return FALSE;
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max = mat[0];
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pos = 0;
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for (i = 1; i < dim; i++) {
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if (mat[i] > max) {
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max = mat[i];
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pos = i;
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}
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}
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return YAP_unify(YAP_ARG2, YAP_MkIntTerm(min)) &&
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YAP_unify(YAP_ARG3, YAP_MkIntTerm(pos));
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}
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static int
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float_max_of_matrix(void)
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{
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Term t = YAP_ARG1;
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YAP_UInt dim = YAP_ArityOfFunctor(YAP_FunctorOfTerm(t)), i, pos;
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YAP_Float *mat = (YAP_Float *)malloc( dim*sizeof(YAP_Float) ), max;
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if (!mat)
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return FALSE;
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if (!YAP_ArgsToFloatArray(t, dim, mat))
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return FALSE;
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max = mat[0];
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pos = 0;
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for (i = 1; i < dim; i++) {
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if (mat[i] > max) {
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max = mat[i];
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pos = i;
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}
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}
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return YAP_unify(YAP_ARG2, YAP_MkFloatTerm(min)) &&
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YAP_unify(YAP_ARG3, YAP_MkIntTerm(pos));
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}
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void
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init_matrices(void)
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{
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YAP_UserCPredicate("int_max_of_matrix", int_max_of_matrix, 3);
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YAP_UserCPredicate("float_max_of_matrix", float_max_of_matrix, 3);
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YAP_UserCPredicate("int_min_of_matrix", int_min_of_matrix, 3);
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YAP_UserCPredicate("float_min_of_matrix", float_min_of_matrix, 3);
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}
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#ifdef _WIN32
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int WINAPI PROTO(win_matrices, (HANDLE, DWORD, LPVOID));
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int WINAPI win_matrices(HANDLE hinst, DWORD reason, LPVOID reserved)
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{
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switch (reason)
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{
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case DLL_PROCESS_ATTACH:
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break;
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case DLL_PROCESS_DETACH:
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break;
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case DLL_THREAD_ATTACH:
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break;
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case DLL_THREAD_DETACH:
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break;
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}
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return 1;
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}
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#endif
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