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27 lines
575 B
Matlab
27 lines
575 B
Matlab
% program to test 1d real fast conv
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clear c2
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% let user select file then open it
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[fname, pname] = uigetfile('*.cnv', 'select conv file');
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cd(pname);
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fidout=fopen(fname,'r');
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% read header info
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aN=fread(fidout,1,'long');
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bN=fread(fidout,1,'long');
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M=fread(fidout,1,'long');
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% read in data
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%status=fseek(fidout,Nheader,'bof');
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a=fread(fidout,aN*M,'float');
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a=reshape(a,aN,M);
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b=fread(fidout,bN*M,'float');
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b=reshape(b,bN,M);
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c=fread(fidout,(aN+bN-1)*M,'float');
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c=reshape(c,(aN+bN-1),M);
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fclose(fidout);
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for i1=1:M;
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c2(:,i1)=conv(a(:,i1),b(:,i1));
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end;
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max(max(abs(c2-c)))
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