Mercurial > repos > public > sbplib
changeset 205:f0ef314e2070 feature/grids
blockmatrix: added function to calculate the block division for a given blockmatrix.
| author | Jonatan Werpers <jonatan@werpers.com> |
|---|---|
| date | Wed, 15 Jun 2016 16:28:22 +0200 |
| parents | 4ce0af75d2f4 |
| children | 50a323da7c7f |
| files | +blockmatrix/getDivision.m +blockmatrix/getDivisionTest.m +blockmatrix/isBlockmatrixTest.m |
| diffstat | 3 files changed, 106 insertions(+), 2 deletions(-) [+] |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/+blockmatrix/getDivision.m Wed Jun 15 16:28:22 2016 +0200 @@ -0,0 +1,37 @@ +function div = getDivision(bm) + if ~blockmatrix.isBlockmatrix(bm) + error('blockmatrix:getDivision:NotABlockmatrix', 'Input is not a blockmatrix'); + end + + if isempty(bm) + div = {[],[]}; + return + end + + div = {row_height(bm),col_width(bm)}; +end + + +function m = col_width(C) + m = zeros(1,size(C,2)); + for j = 1:size(C,2) + for i = 1:size(C,1) + if isempty(C{i,j}) + continue + end + m(j) = size(C{i,j},2); + end + end +end + +function n = row_height(C) + n = zeros(1,size(C,1)); + for i = 1:size(C,1) + for j = 1:size(C,2) + if isempty(C{i,j}) + continue + end + n(i) = size(C{i,j},1); + end + end +end \ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/+blockmatrix/getDivisionTest.m Wed Jun 15 16:28:22 2016 +0200 @@ -0,0 +1,69 @@ +function tests = getDivisionTest() + tests = functiontests(localfunctions); +end + +function testError(testCase) + cases = { + magic(3), + {[2 2 2];{1,2}}, + {[2 2 2];[1 2]}, + {[2; 2; 2], [1; 2]}, + }; + + for i =1:length(cases) + testCase.verifyError(@()blockmatrix.getDivision(cases{i}), 'blockmatrix:getDivision:NotABlockmatrix') + end +end + +function testGetDivision(testCase) + cases = { + { + {}, + {[],[]}; + }, + { + { + [2 2; 2 1], [1; 2]; + [2 2], [1] + }, + {[2 1], [2 1]} + }, + { + { + [2 2; 2 1], []; + [2 2], [1] + }, + {[2 1], [2 1]} + }, + { + { + [2 2; 2 1], []; + [2 2], [] + }, + {[2 1], [2 0]} + }, + { + { + [2 2; 2 1], [1; 2]; + [], [] + }, + {[2 0], [2 1]} + }, + { + { + [2 2; 2 1]; + [2 2] + }, + {[2 1], 2} + }, + }; + + for i = 1:length(cases) + in = cases{i}{1}; + out = blockmatrix.getDivision(in); + expected = cases{i}{2}; + testCase.verifyEqual(out, expected); + end +end + +