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<< "KrancThorn.m";
derivatives = {
PDstandard2nd[i_] -> StandardCenteredDifferenceOperator[1,1,i],
PDstandard2nd[i_, i_] -> StandardCenteredDifferenceOperator[2,1,i]};
PD = PDstandard2nd;
groups = {{"evolved_group", {phi, pi}}};
initialSineCalc = {
Name -> "initial_sine",
Schedule -> {"AT initial"},
Equations ->
{
phi -> IfThen[x > 0, Sin[2 Pi (x - t)], 0],
pi -> IfThen[x > 0, -2 Pi Cos[2 Pi (x - t)], 0]
}};
evolveCalc = {
Name -> "calc_rhs",
Schedule -> {"IN MoL_CalcRHS"},
Where -> Interior,
Equations ->
{
dot[phi] -> IfThen[alpha>0, pi, 2 pi],
dot[pi] -> IfThen[alpha>0, Euc[ui,uj] PD[phi,li,lj], 2 Euc[ui,uj] PD[phi,li,lj]]
}};
CreateKrancThornTT[
groups, ".",
"IfThenTest",
PartialDerivatives -> derivatives,
RealParameters -> {alpha},
DeclaredGroups -> {"evolved_group"},
Calculations -> {initialSineCalc, evolveCalc}];
failures = 0;
If[!StringMatchQ[Import["IfThenTest/src/calc_rhs.cc","Text"],
__~~"if (alpha > 0.)"~~__],
failures++;
Print["Test failed"]];
If[!StringMatchQ[Import["IfThenTest/src/initial_sine.cc","Text"],
__~~"IfThen(xL"~~Whitespace~~">"~~Whitespace~~"0."~~__],
failures++;
Print["Test failed"]];
Quit[failures]
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