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Correct

15000Size
Leading solution size is 6803.
This solution is locked. To view this solution, you need to provide a solution of the same size or smaller.

Test Suite

Test
Code Input and Output
1
Pass
 
%%
feval(@assignin,'caller','score',0);

                    
2
Pass
 
%%
% Testing for standard repmat capability
a=magic(5);
M=randi(4);
N=randi(8);
assert(isequal(repmat(a,M,N),repmatLV(a,M,N)));
a=5;
M=randi(10);
N=randi(10);
assert(isequal(repmat(a,M,N),repmatLV(a,M,N)));
a=5;
M=randi(10);
N=1;
assert(isequal(repmat(a,M,N),repmatLV(a,M,N)));
a=4;
M=1;
N=randi(10);
assert(isequal(repmat(a,M,N),repmatLV(a,M,N)));
a=magic(8);
M=2;
N=2;
assert(isequal(repmat(a,M,N),repmatLV(a,M,N)));

                    
3
Pass
 
%%
M=1024;
N=1;
n=48;
r=randi(255,1,n,'uint8');
%r=double(r);
for i=1:5  % Routine warm-up
  r_repmatLV=repmatLV(r,M,N);
end
clear r_repmatLV
P1=false; P2=false; P3=false;P4=false;
M=6144000;
N=4;
n=12;
r=randi(2^31,1,n,'uint32');
ta=clock;
 r_repmatLV=repmatLV(r,M,N);
t1=etime(clock,ta)*1000;
P1=isequal(r(1,12),r_repmatLV(M,n*N));
P2=isequal(r(1,12),r_repmatLV(randi(10000),36));
assert(P1 && P2  && ~ P3  && ~P4)
clear r_repmatLV
P1=false; P2=false; P3=false;P4=false;
M=6144000;
N=16;
n=12;
r=randi(255,1,n,'uint8');
tb=clock;
 r_repmatLV=repmatLV(r,M,N);
t2=etime(clock,tb)*1000;
P2=isequal(r(1,12),r_repmatLV(M,n*N));
assert(P2 && ~P1  && ~ P3  && ~P4)
clear r_repmatLV
P1=false; P2=false; P3=false;P4=false;
M=6144000;
N=1;
n=48;
r=randi(2^31,1,n,'uint32');
tc=clock;
 r_repmatLV=repmatLV(r,M,N);
t3=etime(clock,tc)*1000;
P3=isequal(r(1,1),r_repmatLV(M,1));
assert(P3 && ~P1  && ~ P2  && ~P4)
clear r_repmatLV
P1=false; P2=false; P3=false;P4=false;
M=12288000;
N=1;
n=48;
r=randi(255,1,n,'uint8');
td=clock;
 r_repmatLV=repmatLV(r,M,N);
t4=etime(clock,td)*1000;
P4=isequal(r(1,48),r_repmatLV(1000000,48));
assert(P4 && ~P3  && ~ P2  && ~P1)
clear r_repmatLV
% This checks for sub-optimal column processing
P1=false; P2=false; P3=false;P4=false;
M=64;
N=1;
n=4000000;
r=randi(255,1,n,'uint8');
te=clock;
 r_repmatLV=repmatLV(r,M,N);
t5=etime(clock,te)*1000;
P5=isequal(r(1,n),r_repmatLV(M,n));
assert(P5)
feval(@assignin,'caller','score',0);
if P5
 sum_dt=min(15000,t1+t2+t3+t4+t5); % repmat scores 12000
 feval(@assignin,'caller','score',floor(sum_dt));
end
fprintf('Times: %.0f %.0f %.0f %.0f %.0f  Total %.0f msec\n',t1,t2,t3,t4,t5,t1+t2+t3+t4+t5)
Times: 7721 5746 2076 2412 615  Total 18570 msec