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diff +sbp/+implementations/d4_compatible_halfvariable_2.m @ 266:bfa130b7abf6 operator_remake

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Added error message for too few grid points to all implementation files.
author Martin Almquist <martin.almquist@it.uu.se>
date Fri, 09 Sep 2016 11:03:13 +0200
parents 6009f2712d13
children f7ac3cd6eeaa
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line diff
--- a/+sbp/+implementations/d4_compatible_halfvariable_2.m	Fri Sep 09 10:41:31 2016 +0200
+++ b/+sbp/+implementations/d4_compatible_halfvariable_2.m	Fri Sep 09 11:03:13 2016 +0200
@@ -26,6 +26,11 @@
 
     % Vi b?rjar med normen. Notera att alla SBP operatorer delar samma norm,
     % vilket ?r n?dv?ndigt f?r stabilitet
+    
+    BP = 1;
+    if(m<2*BP)
+        error(['Operator requires at least ' num2str(2*BP) ' grid points']);
+    end
 
     H=diag(ones(m,1),0);H(1,1)=1/2;H(m,m)=1/2;