public void test_issue33()
{
IValue x = 1.0;
IValue y = new Complex(0, 1);
x += y;
Assert.AreEqual(x.GetImag(), 1);
Assert.AreEqual(x.GetReal(), 1);
Assert.AreEqual(x.GetValueType(), 'z');
x = 1.0;
y = new Complex(0, 1);
x -= y;
Assert.AreEqual(x.GetImag(), -1);
Assert.AreEqual(x.GetReal(), 1);
Assert.AreEqual(x.GetValueType(), 'z');
}
public void test_complex_sub_assign()
{
IValue x = 1.0;
IValue y = new Complex(0, 1);
x -= y; Assert.AreEqual(-1, x.GetImag()); Assert.AreEqual(1, x.GetReal()); Assert.AreEqual('z', x.GetValueType());
}
public override double GetImag()
{
try
{
return(m_pVal.GetImag());
}
catch (ParserError exc)
{
exc.GetContext().Ident = GetIdent();
throw;
}
}
public static void EqnTest(string a_str, dynamic d, bool a_fPass, int nExprVar = -1)
{
IValue[] fVal = new IValue[5];
IValue a_val = d;
try
{
// p1 is a pointer since I'm going to delete it in order to test if
// parsers after copy construction still refer to members of the deleted object.
// !! If this is the case this function will crash !!
ParserX p1 = new ParserX();
// Add variables
Value[] vVarVal = { 1, 2, 3, -2, -1 };
// m1 ist die Einheitsmatrix
var m1 = new Value(3, 3, 0L);
m1.At(0, 0) = 1L;
m1.At(1, 1) = 1L;
m1.At(2, 2) = 1L;
// m2 ist die Einheitsmatrix
Value m2 = new Value(3, 3, 0);
m2.At(0, 0) = 1;
m2.At(0, 1) = 2;
m2.At(0, 2) = 3;
m2.At(1, 0) = 4;
m2.At(1, 1) = 5;
m2.At(1, 2) = 6;
m2.At(2, 0) = 7;
m2.At(2, 1) = 8;
m2.At(2, 2) = 9;
p1.DefineOprt(new DbgSillyAdd());
p1.DefineFun(new FunTest0());
p1.DefineVar("a", new Variable(vVarVal[0]));
p1.DefineVar("b", new Variable(vVarVal[1]));
p1.DefineVar("c", new Variable(vVarVal[2]));
p1.DefineVar("d", new Variable(vVarVal[3]));
p1.DefineVar("f", new Variable(vVarVal[4]));
p1.DefineVar("m1", new Variable(m1));
p1.DefineVar("m2", new Variable(m2));
// Add constants
p1.DefineConst("const", 1);
p1.DefineConst("const1", 2);
p1.DefineConst("const2", 3);
// some vector variables
Value aVal1 = new Value(3, 0);
aVal1.At(0) = 1;
aVal1.At(1) = 2;
aVal1.At(2) = 3;
Value aVal2 = new Value(3, 0);
aVal2.At(0) = 4;
aVal2.At(1) = 3;
aVal2.At(2) = 2;
p1.DefineVar("va", new Variable(aVal1));
p1.DefineVar("vb", new Variable(aVal2));
// complex variables
Value[] cVal = new Value[3];
cVal[0] = new Complex(1, 1);
cVal[1] = new Complex(2, 3);
cVal[2] = new Complex(3, 4);
p1.DefineVar("ca", new Variable(cVal[0]));
p1.DefineVar("cb", new Variable(cVal[1]));
p1.DefineVar("cc", new Variable(cVal[2]));
p1.SetExpr(a_str);
fVal[0] = p1.Eval();
p1.DumpRPN();
// Test copy and assignement operators
List <ParserX> vParser = new List <ParserX>();
vParser.Add(p1); // Push p1 into the vector
ParserX p2 = new ParserX(); // take parser from vector
p2.Assign(vParser[0]);
// destroy the originals from p2
vParser.Clear(); // delete the vector
p1 = null; // delete the original
fVal[1] = p2.Eval(); // If copy constructions does not work
// we may see a crash here
ParserX p3 = new ParserX(p2);
fVal[2] = p3.Eval(); // If assignment does not work
// we may see a crash here
// Calculating a second time will parse from rpn rather than from
// string. The result must be the same...
fVal[3] = p3.Eval();
// Calculate yet another time. There is the possibility of
// changing variables as a side effect of expression
// evaluation. So there are really bugs that could make this fail...
fVal[4] = p3.Eval();
// Check i number of used variables is correct
if (nExprVar != -1)
{
int n2 = p2.GetExprVar().Count;
int n3 = p3.GetExprVar().Count;
if (n2 + n3 != 2 * n2 || n2 != nExprVar)
{
var msg =
$"Number of expression variables is incorrect. (expected: {nExprVar}; detected: {n2})";
Assert.Fail(msg);
}
}
// Check the three results
// 1.) computed results must have identic type
char cType = fVal[0].GetValueType();
bool bStat = cType == fVal[1].GetValueType() &&
cType == fVal[2].GetValueType() &&
cType == fVal[3].GetValueType() &&
cType == fVal[4].GetValueType();
if (!bStat)
{
var msg = $"{a_str} : inconsistent result type " +
$"({fVal[0].GetValueType()}, {fVal[1].GetValueType()}, " +
$"{fVal[2].GetValueType()}, {fVal[3].GetValueType()}, {fVal[4].GetValueType()})";
Assert.Fail(msg);
}
if ((cType == 'x' || a_val.GetValueType() == 'x') && cType != a_val.GetValueType())
{
var msg = $"{a_str}: Complex value sliced!";
Assert.Fail(msg);
}
// Compare the results
switch (cType)
{
case 'i':
case 'b':
case 's':
bStat = (a_val == fVal[0] &&
a_val == fVal[1] &&
a_val == fVal[2] &&
a_val == fVal[3] &&
a_val == fVal[4]);
break;
// We need more attention for comaring float values due to floating point
// inaccuracies.
case 'f':
{
bStat = true;
int num = fVal.Length;
for (int i = 0; i < num; ++i)
{
bStat &= Math.Abs(a_val.GetFloat() - fVal[i].GetFloat()) <=
Math.Abs(fVal[i].GetFloat() * 0.0001);
}
}
break;
case 'z':
{
bStat = true;
int num = fVal.Length;
for (int i = 0; i < num; ++i)
{
bStat &= Math.Abs(a_val.AsFloat() - fVal[i].AsFloat()) <=
Math.Max(1e-15, Math.Abs(fVal[i].AsFloat() * 0.0000001));
bStat &= Math.Abs(a_val.GetImag() - fVal[i].GetImag()) <=
Math.Max(1e-15, Math.Abs(fVal[i].GetImag() * 0.0000001));
}
}
break;
case 'm':
{
bStat = true;
int num = fVal.Length;
for (int i = 0; i < num; ++i)
{
bStat = Check(a_val, fVal[i]);
if (!bStat)
{
break;
}
}
}
break;
default:
Assert.Fail($"Parser return value has an unexpected typecode '{cType}'.");
break;
}
Assert.AreEqual(bStat, a_fPass);
}
catch (ParserError p)
{
Assert.Fail(p.GetMsg());
}
catch (Exception e)
{
var msg = a_str + ": " + e.Message;
Assert.Fail(msg);
}
bool Check(IValue v1, IValue v2, bool checkType = true)
{
if (checkType && v1.GetValueType() != v2.GetValueType())
{
return(false);
}
if (v1.GetRows() != v2.GetRows())
{
return(false);
}
if (v1.IsMatrix())
{
for (int i = 0; i < v1.GetRows(); ++i)
{
for (int j = 0; j < v1.GetCols(); ++j)
{
if (!Check(v1.At(i, j), v2.At(i, j)))
{
return(false);
}
}
}
return(true);
}
else
{
return(Math.Abs(v1.GetFloat() - v2.GetFloat()) <=
Math.Max(1e-15, Math.Abs(v1.GetFloat() * 0.0000001)));
}
}
}