- add make ldu consecutive

to read matrix data from a file

- Add matrix data for the unit test in Matrix Market Exchange Format (.mtx)

- Modify the CMake configuration file for HostMatrix in order to
copy matrix to the build directory of unit tests

- Enable reading the b vector data from the file
- Modify the CMake file to copy vector data to the build directory

…inal

matrix which consists of integers
- Create a mtx file for storing a vector
- Remove commented lines of code and reorganize the unit test

…rices

- Add 3 mtx files for storing L, D, and U matrices, respectively
- Modify the CMake file to copy L, D, and U matrices over to the build directory

the function convert_to COO format

- Add assertion tests for verifying row and column indices

- Add a unit test for the function

- Add a unit test for that function

- Add a unit test for that function

Co-authored-by: chihta <97195768+chihta-wang@users.noreply.github.com>

…o impl/repartitioner_sparsity