# MATLAB Simulations for Radar Systems Design

### Bassem Mahafza (view profile)

• 1 file
• 4.36765

11 Sep 2003 (Updated )

MATLAB Simulations for Radar Systems Design

rndcheck(nargs,nparms,arg1,arg2,arg3,arg4,arg5)
```function [errorcode, rows, columns] = rndcheck(nargs,nparms,arg1,arg2,arg3,arg4,arg5)
%RNDCHECK error checks the argument list for the random number generators.

%   B.A. Jones  1-22-93
%   Copyright (c) 1993-98 by The MathWorks, Inc.
%   \$Revision: 2.5 \$  \$Date: 1997/11/29 01:46:40 \$

sizeinfo = nargs - nparms;
errorcode = 0;

if nparms == 3
[r1 c1] = size(arg1);
[r2 c2] = size(arg2);
[r3 c3] = size(arg3);
end

if nparms == 2
[r1 c1] = size(arg1);
[r2 c2] = size(arg2);
end

if sizeinfo == 0
if nparms == 1
[rows columns] = size(arg1);
end

if nparms == 2
scalararg1 = (prod(size(arg1)) == 1);
scalararg2 = (prod(size(arg2)) == 1);
if ~scalararg1 & ~scalararg2
if r1 ~= r2 | c1 ~= c2
errorcode = 1;
return;
end
end
if ~scalararg1
[rows columns] = size(arg1);
elseif ~scalararg2
[rows columns] = size(arg2);
else
[rows columns] = size(arg1);
end
end

if nparms == 3
scalararg1 = (prod(size(arg1)) == 1);
scalararg2 = (prod(size(arg2)) == 1);
scalararg3 = (prod(size(arg3)) == 1);

if ~scalararg1 & ~scalararg2
if r1 ~= r2 | c1 ~= c2
errorcode = 1;
return;
end
end

if ~scalararg1 & ~scalararg3
if r1 ~= r3 | c1 ~= c3
errorcode = 1;
return;
end
end

if ~scalararg3 & ~scalararg2
if r3 ~= r2 | c3 ~= c2
errorcode = 1;
return;
end
end
if ~scalararg1
[rows columns] = size(arg1);
elseif ~scalararg2
[rows columns] = size(arg2);
else
[rows columns] = size(arg3);
end
end
end

if sizeinfo == 1
scalararg1 = (prod(size(arg1)) == 1);
if nparms == 1
if prod(size(arg2)) ~= 2
errorcode = 2;
return;
end
if  ~scalararg1 & arg2 ~= size(arg1)
errorcode = 3;
return;
end
if (arg2(1) < 0 | arg2(2) < 0 | arg2(1) ~= round(arg2(1)) | arg2(2) ~= round(arg2(2))),
errorcode = 4;
return;
end
rows    = arg2(1);
columns = arg2(2);
end

if nparms == 2
if prod(size(arg3)) ~= 2
errorcode = 2;
return;
end
scalararg2 = (prod(size(arg2)) == 1);
if ~scalararg1 & ~scalararg2
if r1 ~= r2 | c1 ~= c2
errorcode = 1;
return;
end
end
if (arg3(1) < 0 | arg3(2) < 0 | arg3(1) ~= round(arg3(1)) | arg3(2) ~= round(arg3(2))),
errorcode = 4;
return;
end
if ~scalararg1
if any(arg3 ~= size(arg1))
errorcode = 3;
return;
end
[rows columns] = size(arg1);
elseif ~scalararg2
if any(arg3 ~= size(arg2))
errorcode = 3;
return;
end
[rows columns] = size(arg2);
else
rows    = arg3(1);
columns = arg3(2);
end
end

if nparms == 3
if prod(size(arg4)) ~= 2
errorcode = 2;
return;
end
scalararg1 = (prod(size(arg1)) == 1);
scalararg2 = (prod(size(arg2)) == 1);
scalararg3 = (prod(size(arg3)) == 1);

if (arg4(1) < 0 | arg4(2) < 0 | arg4(1) ~= round(arg4(1)) | arg4(2) ~= round(arg4(2))),
errorcode = 4;
return;
end

if ~scalararg1 & ~scalararg2
if r1 ~= r2 | c1 ~= c2
errorcode = 1;
return;
end
end

if ~scalararg1 & ~scalararg3
if r1 ~= r3 | c1 ~= c3
errorcode = 1;
return;
end
end

if ~scalararg3 & ~scalararg2
if r3 ~= r2 | c3 ~= c2
errorcode = 1;
return;
end
end
if ~scalararg1
if any(arg4 ~= size(arg1))
errorcode = 3;
return;
end
[rows columns] = size(arg1);
elseif ~scalararg2
if any(arg4 ~= size(arg2))
errorcode = 3;
return;
end
[rows columns] = size(arg2);
elseif ~scalararg3
if any(arg4 ~= size(arg3))
errorcode = 3;
return;
end
[rows columns] = size(arg3);
else
rows    = arg4(1);
columns = arg4(2);
end
end
end

if sizeinfo == 2
if nparms == 1
scalararg1 = (prod(size(arg1)) == 1);
if ~scalararg1
[rows columns] = size(arg1);
if rows ~= arg2 | columns ~= arg3
errorcode = 3;
return;
end
end
if (arg2 < 0 | arg3 < 0 | arg2 ~= round(arg2) | arg3 ~= round(arg3)),
errorcode = 4;
return;
end
rows = arg2;
columns = arg3;
end

if nparms == 2
scalararg1 = (prod(size(arg1)) == 1);
scalararg2 = (prod(size(arg2)) == 1);
if ~scalararg1 & ~scalararg2
if r1 ~= r2 | c1 ~= c2
errorcode = 1;
return;
end
end
if ~scalararg1
[rows columns] = size(arg1);
if rows ~= arg3 | columns ~= arg4
errorcode = 3;
return;
end
elseif ~scalararg2
[rows columns] = size(arg2);
if rows ~= arg3 | columns ~= arg4
errorcode = 3;
return;
end
else
if (arg3 < 0 | arg4 < 0 | arg3 ~= round(arg3) | arg4 ~= round(arg4)),
errorcode = 4;
return;
end
rows = arg3;
columns = arg4;
end
end

if nparms == 3
scalararg1 = (prod(size(arg1)) == 1);
scalararg2 = (prod(size(arg2)) == 1);
scalararg3 = (prod(size(arg3)) == 1);

if ~scalararg1 & ~scalararg2
if r1 ~= r2 | c1 ~= c2
errorcode = 1;
return;
end
end

if ~scalararg1 & ~scalararg3
if r1 ~= r3 | c1 ~= c3
errorcode = 1;
return;
end
end

if ~scalararg3 & ~scalararg2
if r3 ~= r2 | c3 ~= c2
errorcode = 1;
return;
end
end

if ~scalararg1
[rows columns] = size(arg1);
if rows ~= arg4 | columns ~= arg5
errorcode = 3;
return;
end
elseif ~scalararg2
[rows columns] = size(arg2);
if rows ~= arg4 | columns ~= arg5
errorcode = 3;
return;
end
elseif ~scalararg3
[rows columns] = size(arg3);
if rows ~= arg4 | columns ~= arg5
errorcode = 3;
return;
end
else
if (arg4 < 0 | arg5 < 0 | arg4 ~= round(arg4) | arg5 ~= round(arg5)),
errorcode = 4;
return;
end
rows    = arg4;
columns = arg5;
end
end
end
```