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/*************************************************************************
* Copyright (C) 2018-2022 Blue Brain Project
*
* This file is part of NMODL distributed under the terms of the GNU
* Lesser General Public License. See top-level LICENSE file for details.
*************************************************************************/
#include <catch2/catch_test_macros.hpp>
#include "ast/program.hpp"
#include "parser/nmodl_driver.hpp"
#include "test/unit/utils/test_utils.hpp"
#include "visitors/checkparent_visitor.hpp"
#include "visitors/neuron_solve_visitor.hpp"
#include "visitors/nmodl_visitor.hpp"
#include "visitors/solve_block_visitor.hpp"
#include "visitors/symtab_visitor.hpp"
using namespace nmodl;
using namespace visitor;
using namespace test;
using namespace test_utils;
using nmodl::parser::NmodlDriver;
//=============================================================================
// SolveBlock visitor tests
//=============================================================================
std::string run_solve_block_visitor(const std::string& text) {
NmodlDriver driver;
const auto& ast = driver.parse_string(text);
SymtabVisitor().visit_program(*ast);
NeuronSolveVisitor().visit_program(*ast);
SolveBlockVisitor().visit_program(*ast);
std::stringstream stream;
NmodlPrintVisitor(stream).visit_program(*ast);
// check that, after visitor rearrangement, parents are still up-to-date
CheckParentVisitor().check_ast(*ast);
return stream.str();
}
TEST_CASE("Solve ODEs using legacy NeuronSolveVisitor", "[visitor][solver]") {
SECTION("SolveBlock add NrnState block") {
GIVEN("Breakpoint block with single solve block in breakpoint") {
std::string nmodl_text = R"(
BREAKPOINT {
SOLVE states METHOD cnexp
}
DERIVATIVE states {
m' = (mInf-m)/mTau
}
)";
std::string output_nmodl = R"(
BREAKPOINT {
SOLVE states METHOD cnexp
}
DERIVATIVE states {
m = m+(1.0-exp(dt*((((-1.0)))/mTau)))*(-(((mInf))/mTau)/((((-1.0)))/mTau)-m)
}
NRN_STATE SOLVE states METHOD cnexp{
m = m+(1.0-exp(dt*((((-1.0)))/mTau)))*(-(((mInf))/mTau)/((((-1.0)))/mTau)-m)
}
)";
THEN("Single NrnState block gets added") {
auto result = run_solve_block_visitor(nmodl_text);
REQUIRE(reindent_text(output_nmodl) == reindent_text(result));
}
}
GIVEN("Breakpoint block with two solve block in breakpoint") {
std::string nmodl_text = R"(
BREAKPOINT {
SOLVE state1 METHOD cnexp
SOLVE state2 METHOD cnexp
}
DERIVATIVE state1 {
m' = (mInf-m)/mTau
}
DERIVATIVE state2 {
h' = (mInf-h)/mTau
}
)";
std::string output_nmodl = R"(
BREAKPOINT {
SOLVE state1 METHOD cnexp
SOLVE state2 METHOD cnexp
}
DERIVATIVE state1 {
m = m+(1.0-exp(dt*((((-1.0)))/mTau)))*(-(((mInf))/mTau)/((((-1.0)))/mTau)-m)
}
DERIVATIVE state2 {
h = h+(1.0-exp(dt*((((-1.0)))/mTau)))*(-(((mInf))/mTau)/((((-1.0)))/mTau)-h)
}
NRN_STATE SOLVE state1 METHOD cnexp{
m = m+(1.0-exp(dt*((((-1.0)))/mTau)))*(-(((mInf))/mTau)/((((-1.0)))/mTau)-m)
}
SOLVE state2 METHOD cnexp{
h = h+(1.0-exp(dt*((((-1.0)))/mTau)))*(-(((mInf))/mTau)/((((-1.0)))/mTau)-h)
}
)";
THEN("NrnState blok combining multiple solve nodes added") {
auto result = run_solve_block_visitor(nmodl_text);
REQUIRE(reindent_text(output_nmodl) == reindent_text(result));
}
}
}
}
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