diff options
Diffstat (limited to 'src/signalProcessing/levin/levinUtils.c')
-rw-r--r-- | src/signalProcessing/levin/levinUtils.c | 195 |
1 files changed, 103 insertions, 92 deletions
diff --git a/src/signalProcessing/levin/levinUtils.c b/src/signalProcessing/levin/levinUtils.c index b7eb2b4a..0048c860 100644 --- a/src/signalProcessing/levin/levinUtils.c +++ b/src/signalProcessing/levin/levinUtils.c @@ -1,72 +1,90 @@ -#include "levin.h" +/* + * Scilab ( http://www.scilab.org/ ) - This file is part of Scilab + * Copyright (C) 2008 - INRIA - Arnaud TORSET + * + * This file must be used under the terms of the CeCILL. + * This source file is licensed as described in the file COPYING, which + * you should have received as part of this distribution. The terms + * are also available at + * http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt + * + */ + + + + +#include "levinUtils.h" +#include "stdio.h" /* Double Functions */ -void dr1(double *in,int lines, int rows, int n, double * out){ +void dr1(double *in,int lines, int columns, int n, double * out){ int i,j; - for (i=0;i<n*rows;i++) { - for (j=0;j<rows;j++){ - out[i+j*n*rows]=in[(n-i/rows)*rows + i%rows + j*lines]; + for (i=0;i<n*columns;i++) { + for (j=0;j<columns;j++){ + out[i+j*n*columns]=in[(n-i/columns)*columns + i%columns + j*lines]; } } } -void dr2(double *in,int lines, int rows, int n, double * out){ +void dr2(double *in,int lines, int columns, int n, double * out){ int i,j; - for (i=0;i<n*rows;i++) { - for (j=0;j<rows;j++){ - out[i+j*n*rows]=in[(n-1-i/rows)*rows + i%rows + j*lines]; + for (i=0;i<n*columns;i++) { + for (j=0;j<columns;j++){ + out[i+j*n*columns]=in[(n-1-i/columns)*columns + i%columns + j*lines]; } } } -void dr3(double *in,int lines, int rows, int n, double * out){ +void dr3(double *in,int lines, int columns, int n, double * out){ int i,j; - for (i=0;i<n*rows;i++) { - for (j=0;j<rows;j++){ - out[i+j*n*rows]=in[(i/rows+1)*rows + j%rows + (i%rows)*lines]; + for (i=0;i<n*columns;i++) { + for (j=0;j<columns;j++){ + out[i+j*n*columns]=in[(i/columns+1)*columns + j%columns + (i%columns)*lines]; } } } -void dr4(double *in,int lines, int rows, int n, double * out){ +void dr4(double *in,int lines, int columns, int n, double * out){ int i,j; - for (i=0;i<n*rows;i++) { - for (j=0;j<rows;j++){ - out[i+j*n*rows]=in[i + j%rows + (i%rows)*(lines-1)]; + for (i=0;i<n*columns;i++) { + for (j=0;j<columns;j++){ + if ( (j*n*columns-1<i+j*n*columns) && (i+j*n*columns<j*n*columns+columns) ) + out[i+j*n*columns]=in[i+j*lines]; + else out[i+j*n*columns]=in[i + j%columns + (i%columns)*(lines-1)]; } } } -void dlevinmul(double* in1, double* in2, int n, int rows, int ind_boucle, double* out, int lines, int deb_out,char choix){ +void dlevinmul(double* in1, double* in2, int n, int columns, int ind_boucle, double* out, int lines, int deb_out,char choix){ int i=0, j=0, debut=0,start_out=0; double accu; if (ind_boucle==0) debut=0; - else debut = (ind_boucle-1)*(n+1)*rows*rows; + else debut = (ind_boucle-1)*(n+1)*columns*columns; - start_out = deb_out*ind_boucle*rows; + start_out = deb_out*ind_boucle*columns; switch(choix){ case 'u' : - for (i=0;i<rows*rows;i++){ + for (i=0;i<columns*columns;i++){ accu=0; - for(j=0;j<ind_boucle*rows+rows;j++){ - accu += in1[debut+i%rows*(n+1) + (rows*(n+1))*(j%rows)+j/rows] * in2[n*rows-((ind_boucle+1)*rows)+j+(i/rows)*n*rows]; + for(j=0;j<ind_boucle*columns+columns;j++){ + accu += in1[debut+i%columns*(n+1) + (columns*(n+1))*(j%columns)+j/columns] * in2[n*columns-((ind_boucle+1)*columns)+j+(i/columns)*n*columns]; } - out[start_out+i%rows+(i/rows)*lines] = accu; + out[start_out+i%columns+(i/columns)*lines] = accu; } break; case 'd' : - for (i=0;i<rows*rows;i++){ + for (i=0;i<columns*columns;i++){ accu=0; - for(j=0;j<ind_boucle*rows+rows;j++){ - accu+=in1[debut+i%rows*(n+1) + (rows*(n+1))*(j%rows)+j/rows]*in2[j+(i/rows)*n*rows]; + for(j=0;j<ind_boucle*columns+columns;j++){ + accu+=in1[debut+i%columns*(n+1) + (columns*(n+1))*(j%columns)+j/columns]*in2[j+(i/columns)*n*columns]; } - out[start_out+i%rows+(i/rows)*lines] = accu; + out[start_out+i%columns+(i/columns)*lines] = accu; } break; default : break; @@ -75,51 +93,47 @@ void dlevinmul(double* in1, double* in2, int n, int rows, int ind_boucle, double -void dlevinsig(double *sig,int n, int rows, int lines, double *sig1){ +void dlevinsig(double *sig,int n, int columns, int lines, double *sig1){ int i=0; - for (i=0;i<rows*rows;i++){ - sig1[i]=sig[n*rows + i%rows +(i/rows)*lines]; + for (i=0;i<columns*columns;i++){ + sig1[i]=sig[n*columns + i%columns +(i/columns)*lines]; } } -void dlevinmul2(double* in1, double *in2,int ind_boucle,int n,int rows,double* out){ +void dlevinmul2(double* in1, double *in2,int ind_boucle,int n,int columns,double* out){ int i=0,j=0, debut; double accu; - debut = ind_boucle*(n+1)*rows*rows; - for(i=0;i<(n+1)*rows*rows;i++){ + debut = ind_boucle*(n+1)*columns*columns; + for(i=0;i<(n+1)*columns*columns;i++){ accu=0; - for (j=0;j<rows;j++){ - accu += in1[(i/(n+1))%rows+j*rows]*in2[debut+i%(n+1)+(i/((n+1)*rows))*(n+1)*rows+j*(n+1)]; + for (j=0;j<columns;j++){ + accu += in1[(i/(n+1))%columns+j*columns]*in2[debut+i%(n+1)+(i/((n+1)*columns))*(n+1)*columns+j*(n+1)]; } out[i]=accu; } } -void dlevinsub(double* in1, double* in2, int n, int rows, int deb_in, int ind_boucle, double* out){ +void dlevinsub(double* in1, double* in2, int n, int columns, int deb_in, int ind_boucle, double* out){ int i=0; - int deb_out= ind_boucle*(n+1)*rows*rows; + int deb_out= ind_boucle*(n+1)*columns*columns; int deb_in1; if (deb_in==0) deb_in1=0; - else deb_in1=(deb_in-1)*(n+1)*rows*rows; + else deb_in1=(deb_in-1)*(n+1)*columns*columns; - for (i=0;i<(n+1)*rows*rows;i++){ + for (i=0;i<(n+1)*columns*columns;i++){ out[deb_out + i] = in1[deb_in1+i]-in2[i]; } } -void dinitTab(double* in, int size){ - int i; - for (i=0;i<size;i++) in[i]=0; -} -void ddecalage(double* in, int deb_in,int n,int rows,double *out){ +void ddecalage(double* in, int deb_in,int n,int columns,double *out){ int i=0,j=0; - for (i=0;i<rows*rows;i++){ + for (i=0;i<columns*columns;i++){ for(j=n;j>0;j--) {out[i*(n+1)+j]=in[i*(n+1)+deb_in+j-1];} out[i*(n+1)]=0; } @@ -132,72 +146,74 @@ void ddecalage(double* in, int deb_in,int n,int rows,double *out){ /* Float Functions */ -void sr1(float *in,int lines, int rows, int n, float * out){ +void sr1(float *in,int lines, int columns, int n, float * out){ int i,j; - for (i=0;i<n*rows;i++) { - for (j=0;j<rows;j++){ - out[i+j*n*rows]=in[(n-i/rows)*rows + i%rows + j*lines]; + for (i=0;i<n*columns;i++) { + for (j=0;j<columns;j++){ + out[i+j*n*columns]=in[(n-i/columns)*columns + i%columns + j*lines]; } } } -void sr2(float *in,int lines, int rows, int n, float * out){ +void sr2(float *in,int lines, int columns, int n, float * out){ int i,j; - for (i=0;i<n*rows;i++) { - for (j=0;j<rows;j++){ - out[i+j*n*rows]=in[(n-1-i/rows)*rows + i%rows + j*lines]; + for (i=0;i<n*columns;i++) { + for (j=0;j<columns;j++){ + out[i+j*n*columns]=in[(n-1-i/columns)*columns + i%columns + j*lines]; } } } -void sr3(float *in,int lines, int rows, int n, float * out){ +void sr3(float *in,int lines, int columns, int n, float * out){ int i,j; - for (i=0;i<n*rows;i++) { - for (j=0;j<rows;j++){ - out[i+j*n*rows]=in[(i/rows+1)*rows + j%rows + (i%rows)*lines]; + for (i=0;i<n*columns;i++) { + for (j=0;j<columns;j++){ + out[i+j*n*columns]=in[(i/columns+1)*columns + j%columns + (i%columns)*lines]; } } } -void sr4(float *in,int lines, int rows, int n, float * out){ +void sr4(float *in,int lines, int columns, int n, float * out){ int i,j; - for (i=0;i<n*rows;i++) { - for (j=0;j<rows;j++){ - out[i+j*n*rows]=in[i + j%rows + (i%rows)*(lines-1)]; + for (i=0;i<n*columns;i++) { + for (j=0;j<columns;j++){ + if ( (j*n*columns-1<i+j*n*columns) && (i+j*n*columns<j*n*columns+columns) ) + out[i+j*n*columns]=in[i+j*lines]; + else out[i+j*n*columns]=in[i + j%columns + (i%columns)*(lines-1)]; } } } -void slevinmul(float* in1, float* in2, int n, int rows, int ind_boucle, float* out, int lines, int deb_out,char choix){ +void slevinmul(float* in1, float* in2, int n, int columns, int ind_boucle, float* out, int lines, int deb_out,char choix){ int i=0, j=0, debut=0,start_out=0; float accu; if (ind_boucle==0) debut=0; - else debut = (ind_boucle-1)*(n+1)*rows*rows; + else debut = (ind_boucle-1)*(n+1)*columns*columns; - start_out = deb_out*ind_boucle*rows; + start_out = deb_out*ind_boucle*columns; switch(choix){ case 'u' : - for (i=0;i<rows*rows;i++){ + for (i=0;i<columns*columns;i++){ accu=0; - for(j=0;j<ind_boucle*rows+rows;j++){ - accu += in1[debut+i%rows*(n+1) + (rows*(n+1))*(j%rows)+j/rows] * in2[n*rows-((ind_boucle+1)*rows)+j+(i/rows)*n*rows]; + for(j=0;j<ind_boucle*columns+columns;j++){ + accu += in1[debut+i%columns*(n+1) + (columns*(n+1))*(j%columns)+j/columns] * in2[n*columns-((ind_boucle+1)*columns)+j+(i/columns)*n*columns]; } - out[start_out+i%rows+(i/rows)*lines] = accu; + out[start_out+i%columns+(i/columns)*lines] = accu; } break; case 'd' : - for (i=0;i<rows*rows;i++){ + for (i=0;i<columns*columns;i++){ accu=0; - for(j=0;j<ind_boucle*rows+rows;j++){ - accu+=in1[debut+i%rows*(n+1) + (rows*(n+1))*(j%rows)+j/rows]*in2[j+(i/rows)*n*rows]; + for(j=0;j<ind_boucle*columns+columns;j++){ + accu+=in1[debut+i%columns*(n+1) + (columns*(n+1))*(j%columns)+j/columns]*in2[j+(i/columns)*n*columns]; } - out[start_out+i%rows+(i/rows)*lines] = accu; + out[start_out+i%columns+(i/columns)*lines] = accu; } break; default : break; @@ -206,51 +222,46 @@ void slevinmul(float* in1, float* in2, int n, int rows, int ind_boucle, float* o -void slevinsig(float *sig,int n, int rows, int lines, float *sig1){ +void slevinsig(float *sig,int n, int columns, int lines, float *sig1){ int i=0; - for (i=0;i<rows*rows;i++){ - sig1[i]=sig[n*rows + i%rows +(i/rows)*lines]; + for (i=0;i<columns*columns;i++){ + sig1[i]=sig[n*columns + i%columns +(i/columns)*lines]; } } -void slevinmul2(float* in1, float *in2,int ind_boucle,int n,int rows,float* out){ +void slevinmul2(float* in1, float *in2,int ind_boucle,int n,int columns,float* out){ int i=0,j=0, debut; float accu; - debut = ind_boucle*(n+1)*rows*rows; - for(i=0;i<(n+1)*rows*rows;i++){ + debut = ind_boucle*(n+1)*columns*columns; + for(i=0;i<(n+1)*columns*columns;i++){ accu=0; - for (j=0;j<rows;j++){ - accu += in1[(i/(n+1))%rows+j*rows]*in2[debut+i%(n+1)+(i/((n+1)*rows))*(n+1)*rows+j*(n+1)]; + for (j=0;j<columns;j++){ + accu += in1[(i/(n+1))%columns+j*columns]*in2[debut+i%(n+1)+(i/((n+1)*columns))*(n+1)*columns+j*(n+1)]; } out[i]=accu; } } -void slevinsub(float* in1, float* in2, int n, int rows, int deb_in, int ind_boucle, float* out){ +void slevinsub(float* in1, float* in2, int n, int columns, int deb_in, int ind_boucle, float* out){ int i=0; - int deb_out= ind_boucle*(n+1)*rows*rows; + int deb_out= ind_boucle*(n+1)*columns*columns; int deb_in1; if (deb_in==0) deb_in1=0; - else deb_in1=(deb_in-1)*(n+1)*rows*rows; + else deb_in1=(deb_in-1)*(n+1)*columns*columns; - for (i=0;i<(n+1)*rows*rows;i++){ + for (i=0;i<(n+1)*columns*columns;i++){ out[deb_out + i] = in1[deb_in1+i]-in2[i]; } } -void sinitTab(float* in, int size){ - int i; - for (i=0;i<size;i++) in[i]=0; -} - -void sdecalage(float* in, int deb_in,int n,int rows,float *out){ +void sdecalage(float* in, int deb_in,int n,int columns,float *out){ int i=0,j=0; - for (i=0;i<rows*rows;i++){ + for (i=0;i<columns*columns;i++){ for(j=n;j>0;j--) {out[i*(n+1)+j]=in[i*(n+1)+deb_in+j-1];} out[i*(n+1)]=0; } |