TEST(FunctionFactoryTest, CreateCompositeFunctionTest)
{
std::string ini = "CompositeFunction("
"FunctionFactoryTestFunction(A=10,B=20),"
"FunctionFactoryTestFunction(A=30,B=40)"
")";
IFunction_sptr fun = FunctionFactory::instance().createFitFunction(ini);
EXPECT_TRUE( fun.get() != nullptr );
CompositeFunction_sptr cf = boost::dynamic_pointer_cast<CompositeFunction>(fun);
EXPECT_TRUE( cf.get() != nullptr );
EXPECT_EQ( cf->nFunctions(), 2 );
auto f1 = cf->getFunction(0);
auto f2 = cf->getFunction(1);
EXPECT_EQ(f1->getParameter("A"),10);
EXPECT_EQ(f1->getParameter("B"),20);
EXPECT_EQ(f2->getParameter("A"),30);
EXPECT_EQ(f2->getParameter("B"),40);
EXPECT_EQ(cf->getParameter("f0.A"),10);
EXPECT_EQ(cf->getParameter("f0.B"),20);
EXPECT_EQ(cf->getParameter("f1.A"),30);
EXPECT_EQ(cf->getParameter("f1.B"),40);
std::cerr << '\n' << fun->asString(true) << '\n' << std::endl;
IFunction_sptr fun1 = FunctionFactory::instance().createFitFunction(ini);
EXPECT_TRUE( fun1.get() != nullptr );
cf = boost::dynamic_pointer_cast<CompositeFunction>(fun1);
EXPECT_TRUE( cf.get() != nullptr );
EXPECT_EQ( cf->nFunctions(), 2 );
EXPECT_EQ(cf->getParameter("f0.A"),10);
EXPECT_EQ(cf->getParameter("f0.B"),20);
EXPECT_EQ(cf->getParameter("f1.A"),30);
EXPECT_EQ(cf->getParameter("f1.B"),40);
}
void IqtFit::constrainIntensities(CompositeFunction_sptr func) {
std::string paramName = "f1.Intensity";
size_t index = func->parameterIndex(paramName);
switch (m_uiForm.cbFitType->currentIndex()) {
case 0: // 1 Exp
case 2: // 1 Str
if (!func->isFixed(index)) {
func->tie(paramName, "1-f0.A0");
} else {
std::string paramValue =
boost::lexical_cast<std::string>(func->getParameter(paramName));
func->tie(paramName, paramValue);
func->tie("f0.A0", "1-" + paramName);
}
break;
case 1: // 2 Exp
case 3: // 1 Exp & 1 Str
if (!func->isFixed(index)) {
func->tie(paramName, "1-f2.Intensity-f0.A0");
} else {
std::string paramValue =
boost::lexical_cast<std::string>(func->getParameter(paramName));
func->tie(paramName, "1-f2.Intensity-f0.A0");
func->tie(paramName, paramValue);
}
break;
}
}