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changeset 277:4c3f55a628c8 feature/beams

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Made evalOn give more error message.
author Jonatan Werpers <jonatan@werpers.com>
date Wed, 07 Sep 2016 13:47:05 +0200
parents 30321dc180e1
children 9eff7b58c5f7
files +grid/evalOn.m +grid/evalOnTest.m
diffstat 2 files changed, 22 insertions(+), 0 deletions(-) [+]
line wrap: on
line diff
--- a/+grid/evalOn.m	Wed Sep 07 10:13:26 2016 +0200
+++ b/+grid/evalOn.m	Wed Sep 07 13:47:05 2016 +0200
@@ -16,6 +16,13 @@
     end
     % func should now be a function_handle
 
+    if g.D ~= nargin(func)
+        g.D
+        nargin(func)
+        error('grid:evalOn:WrongNumberOfInputs', 'The number of inputs of the function must match the dimension of the domain.')
+    end
+
+
     % Get coordinates and convert to cell array for easier use as a parameter
     x = num2cell(g.points());
 
--- a/+grid/evalOnTest.m	Wed Sep 07 10:13:26 2016 +0200
+++ b/+grid/evalOnTest.m	Wed Sep 07 13:47:05 2016 +0200
@@ -25,6 +25,21 @@
     end
 end
 
+% evalOn should give and error if the number of inputs to func is not the same as
+% the number of dimensions of the grid.
+function testNumberOfInputs(testCase)
+    cases = {
+        {getTestGrid('1d'), @(x,y)x-y},
+        {getTestGrid('2d'), @(x)x    },
+    }
+
+    for i = 1:length(cases)
+        g = cases{i}{1};
+        f = cases{i}{2};
+        testCase.verifyError(@()grid.evalOn(g, f),'grid:evalOn:WrongNumberOfInputs',sprintf('in(%d) = %s',i,toString(f)));
+    end
+end
+
 function testInputScalarFunction1d(testCase)
     in  = {
         @(x)1+x*0,