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diff +sbp/+implementations/d4_compatible_halfvariable_6.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_6.m	Fri Sep 09 10:41:31 2016 +0200
+++ b/+sbp/+implementations/d4_compatible_halfvariable_6.m	Fri Sep 09 11:03:13 2016 +0200
@@ -25,6 +25,11 @@
     % with the unknown stored as c(1), c(2), ..., c_m
     % x=1:h:m*h;x=x';
     % c=x.^0;
+    
+    BP = 6;
+    if(m<2*BP)
+        error(['Operator requires at least ' num2str(2*BP) ' grid points']);
+    end
 
 
     H=diag(ones(m,1),0);