1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
|
(* Mathematica Test File *)
(****************************************************************)
(* 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. *)
Test[
Module[
{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, "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"
]
|
