Mercurial > repos > public > sbplib
annotate +grid/evalOnTest.m @ 1031:2ef20d00b386 feature/advectionRV
For easier comparison, return both the first order and residual viscosity when evaluating the residual. Add the first order and residual viscosity to the state of the RungekuttaRV time steppers
| author | Vidar Stiernström <vidar.stiernstrom@it.uu.se> |
|---|---|
| date | Thu, 17 Jan 2019 10:25:06 +0100 |
| parents | 190941ec12d8 |
| children |
| rev | line source |
|---|---|
| 157 | 1 function tests = evalOnTest() |
| 2 tests = functiontests(localfunctions); | |
| 3 end | |
| 4 | |
| 5 function testInputConstant(testCase) | |
| 6 in = { | |
| 7 0, | |
| 8 47, | |
| 9 1, | |
| 10 [1; 2], | |
| 11 }; | |
| 12 | |
| 13 out = { | |
| 14 [0; 0; 0], | |
| 15 [47; 47; 47], | |
| 16 [1; 1; 1], | |
| 17 [1; 2; 1; 2; 1; 2], | |
| 18 }; | |
| 19 | |
| 20 g = getTestGrid('1d'); | |
| 21 | |
| 22 for i = 1:length(in) | |
| 23 gf = grid.evalOn(g,in{i}); | |
| 24 testCase.verifyEqual(gf, out{i}); | |
| 25 end | |
| 26 end | |
| 27 | |
|
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28 % evalOn should give and error if the number of inputs to func is not the same as |
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29 % the number of dimensions of the grid. |
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30 function testNumberOfInputs(testCase) |
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31 cases = { |
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32 {getTestGrid('1d'), @(x,y)x-y}, |
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33 {getTestGrid('2d'), @(x)x }, |
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34 }; |
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35 |
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36 for i = 1:length(cases) |
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37 g = cases{i}{1}; |
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38 f = cases{i}{2}; |
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39 testCase.verifyError(@()grid.evalOn(g, f),'grid:evalOn:WrongNumberOfInputs',sprintf('in(%d) = %s',i,toString(f))); |
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Jonatan Werpers <jonatan@werpers.com>
parents:
157
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40 end |
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4c3f55a628c8
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Jonatan Werpers <jonatan@werpers.com>
parents:
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41 end |
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4c3f55a628c8
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Jonatan Werpers <jonatan@werpers.com>
parents:
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changeset
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42 |
| 157 | 43 function testInputScalarFunction1d(testCase) |
| 44 in = { | |
| 45 @(x)1+x*0, | |
| 46 @(x)x, | |
| 47 @(x)x.*x, | |
| 48 }; | |
| 49 | |
| 50 out = { | |
| 51 [1; 1; 1], | |
| 52 [0; 1; 2], | |
| 53 [0; 1; 4], | |
| 54 }; | |
| 55 | |
| 56 g = getTestGrid('1d'); | |
| 57 | |
| 58 for i = 1:length(in) | |
| 59 gf = grid.evalOn(g,in{i}); | |
| 60 testCase.verifyEqual(gf, out{i}); | |
| 61 end | |
| 62 end | |
| 63 | |
| 64 function testInputScalarFunction2d(testCase) | |
| 65 in = { | |
| 66 @(x,y)1+x*0, | |
| 67 @(x,y)x-y, | |
| 68 @(x,y)x./(1+y), | |
| 69 }; | |
| 70 | |
| 71 out = { | |
| 72 [1; 1; 1; 1; 1; 1; 1; 1; 1], | |
| 73 [0; -1; -2; 1; 0; -1; 2; 1; 0], | |
| 74 [0; 0; 0; 1; 1/2; 1/3; 2; 1; 2/3], | |
| 75 }; | |
| 76 | |
| 77 g = getTestGrid('2d'); | |
| 78 | |
| 79 for i = 1:length(in) | |
| 80 gf = grid.evalOn(g, in{i}); | |
| 81 testCase.verifyEqual(gf, out{i}); | |
| 82 end | |
| 83 end | |
| 84 | |
| 85 | |
| 86 function testInputVectorFunction(testCase) | |
| 87 g = getTestGrid('1d'); | |
| 88 in = @(x)[x; -2*x]; | |
| 89 out = [0; 0; 1; -2; 2; -4]; | |
| 90 | |
| 91 gf = grid.evalOn(g,in); | |
| 92 testCase.verifyEqual(gf, out); | |
| 93 | |
| 94 g = getTestGrid('2d'); | |
| 95 in = @(x,y)[x.^2; -2*y]; | |
| 96 out = [ | |
| 97 0; 0; | |
| 98 0; -2; | |
| 99 0; -4; | |
| 100 1; 0; | |
| 101 1; -2; | |
| 102 1; -4; | |
| 103 4; 0; | |
| 104 4; -2; | |
| 105 4; -4; | |
| 106 ]; | |
| 107 | |
| 108 gf = grid.evalOn(g,in); | |
| 109 testCase.verifyEqual(gf, out); | |
| 110 end | |
| 111 | |
| 112 | |
| 113 function testInputErrorVectorValued(testCase) | |
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190941ec12d8
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Jonatan Werpers <jonatan@werpers.com>
parents:
277
diff
changeset
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114 in = { |
| 157 | 115 [1,2,3], |
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623
190941ec12d8
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Jonatan Werpers <jonatan@werpers.com>
parents:
277
diff
changeset
|
116 @(x,y)[x,-y], |
| 157 | 117 }; |
| 118 | |
| 119 g = getTestGrid('2d'); | |
| 120 | |
| 121 for i = 1:length(in) | |
| 122 testCase.verifyError(@()grid.evalOn(g, in{i}),'grid:evalOn:VectorValuedWrongDim',sprintf('in(%d) = %s',i,toString(in{i}))); | |
| 123 end | |
| 124 end | |
| 125 | |
| 126 function g = getTestGrid(d) | |
| 127 switch d | |
| 128 case '1d' | |
| 129 g = grid.equidistant(3,{0,2}); | |
| 130 case '2d' | |
| 131 g = grid.equidistant([3,3],{0,2},{0,2}); | |
| 132 end | |
| 133 end |