Commit after merge

.gitlab-ci.yml

.idea/vcs.xml

CMakeLists.txt

Makefile

build.sh

clean.sh

run_tests.sh

src/CMakeLists.txt

src/DataSet/DataSet.cpp

src/DataSet/DataSet.h

src/Graph/ElementaryFunctions/FunctionBase.cpp

src/Graph/ElementaryFunctions/FunctionBase.h

src/Graph/ElementaryFunctions/FunctionCosine.cpp

src/Graph/ElementaryFunctions/FunctionCosine.h

src/Graph/ElementaryFunctions/FunctionExponential.cpp

src/Graph/ElementaryFunctions/FunctionExponential.h

src/Graph/ElementaryFunctions/FunctionLogarithm.cpp

src/Graph/ElementaryFunctions/FunctionLogarithm.h

src/Graph/ElementaryFunctions/FunctionPolynomial.cpp

src/Graph/ElementaryFunctions/FunctionPolynomial.h