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/*************************************************************************
* Copyright (C) 2019-2022 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 "codegen/codegen_cpp_visitor.hpp"
#include "codegen/codegen_utils.hpp"
using namespace nmodl;
using namespace visitor;
using namespace codegen;
using input_result_map = std::unordered_map<std::string, std::string>;
SCENARIO("C codegen utility functions", "[codegen][util][c]") {
GIVEN("Double constant as string") {
std::string double_constant = "0.012345678901234567";
THEN("Codegen C Visitor prints double with same precision") {
auto nmodl_constant_result = codegen::utils::format_double_string<CodegenCVisitor>(
double_constant);
REQUIRE(nmodl_constant_result == double_constant);
}
}
GIVEN("Integer constant as string") {
std::string double_constant = "1";
std::string codegen_output = "1.0";
THEN("Codegen C Visitor prints integer as double number") {
auto nmodl_constant_result = codegen::utils::format_double_string<CodegenCVisitor>(
double_constant);
REQUIRE(nmodl_constant_result == codegen_output);
}
}
GIVEN("Double constants in scientific notation as strings") {
input_result_map tests({{"1e+18", "1e+18"}, {"1e-18", "1e-18"}, {"1E18", "1E18"}});
THEN("Codegen C Visitor prints doubles with scientific notation") {
for (const auto& test: tests) {
REQUIRE(codegen::utils::format_double_string<CodegenCVisitor>(test.first) ==
test.second);
}
}
}
GIVEN("Float constant as string") {
std::string float_constant = "0.01234567";
THEN("Codegen C Visitor prints float with same precision") {
auto nmodl_constant_result = codegen::utils::format_float_string<CodegenCVisitor>(
float_constant);
REQUIRE(nmodl_constant_result == float_constant);
}
}
GIVEN("Float constant as string") {
std::string float_constant = "1";
std::string codegen_output = "1.0";
THEN("Codegen C Visitor prints integer as double number") {
auto nmodl_constant_result = codegen::utils::format_float_string<CodegenCVisitor>(
float_constant);
REQUIRE(nmodl_constant_result == codegen_output);
}
}
GIVEN("Float constants in scientific notation as strings") {
input_result_map tests({{"1e+18", "1e+18"}, {"1e-18", "1e-18"}, {"1E18", "1E18"}});
THEN("Codegen C Visitor prints doubles with scientific notation") {
for (const auto& test: tests) {
REQUIRE(codegen::utils::format_float_string<CodegenCVisitor>(test.first) ==
test.second);
}
}
}
}
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