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(* Mathematica Test File *)
$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 -> Sin[2 Pi (x - t)],
pi -> -2 Pi Cos[2 Pi (x - t)]
}};
$evolveCalc = {
Name -> "calc_rhs",
Schedule -> {"IN MoL_CalcRHS"},
Where -> Interior,
Equations ->
{
dot[phi] -> pi,
dot[pi] -> Euc[ui,uj] PD[phi,li,lj]
}};
(****************************************************************)
(* CreateThorn *)
(****************************************************************)
Test[
CreateKrancThornTT[{}, "TestThorns", "CreateThorn", Calculations -> {}]
,
Null
,
TestID->"CreateThorn"
]
(****************************************************************)
(* IfThen *)
(****************************************************************)
(* Test that IfThen statements are only factored out into if
statements if they don't contain grid functions, as this doesn't
work with vectorisation. *)
(* The PD symbol is treated in a nonoptimal way by Kranc, and this
causes problems for the tests. This should be cleaned up. *)
Test[
Module[
{derivatives = {
PDstandard2nd[i_] -> StandardCenteredDifferenceOperator[1,1,i],
PDstandard2nd[i_, i_] -> StandardCenteredDifferenceOperator[2,1,i]},
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]]
}}},
(* PD = PDstandard2nd *)
CreateKrancThornTT[
groups, "TestThorns",
"IfThen",
PartialDerivatives -> derivatives,
RealParameters -> {alpha},
DeclaredGroups -> {"evolved_group"},
Calculations -> {initialSineCalc, evolveCalc}]];
{StringMatchQ[Import["TestThorns/IfThen/src/calc_rhs.cc","Text"],
__~~"if (alpha > 0.)"~~__],
StringMatchQ[Import["TestThorns/IfThen/src/initial_sine.cc","Text"],
__~~"IfThen(xL"~~Whitespace~~">"~~Whitespace~~"0."~~__]}
,
{True, True}
,
TestID -> "IfThen"
]
(****************************************************************)
(* SimpleWave *)
(****************************************************************)
Test[
CreateKrancThornTT[
$groups, "TestThorns", "SimpleWave",
PartialDerivatives -> $derivatives,
DeclaredGroups -> {"evolved_group"},
Calculations -> {$initialSineCalc, $evolveCalc}]
,
Null
,
TestID->"SimpleWave"
]
|
