ST_IO
Read and Write Sparse Triplet (ST) Matrix Files.

ST_IO is a Python library which reads and writes files in the Sparse Triplet (ST) sparse matrix format.

Licensing:

The computer code and data files described and made available on this web page are distributed under the GNU LGPL license.

Languages:

ST_IO is available in a C version and a C++ version and a FORTRAN90 version and a MATLAB version and a Python version.

Related Data and Programs:

ST, the format which is used for the input to this program.

Source Code:

• i4vec_print.py, prints an I4VEC.
• i4vec_uniform_ab.py, fills an I4VEC with uniformaly random elements from [A,B].
• r8st_header_print.py, prints the header of an R8ST file.
• r8st_print.py, prints an R8ST file.
• r8st_print_some.py, prints some of an R8ST file.
• r8st_read.py, reads an R8ST file.
• r8st_sort_a.py, sorts the entries of an R8ST matrix by column.
• r8st_transpose.py, transposes an R8ST matrix.
• r8st_write.py, writes an R8ST file.
• sort_heap_external.py, externally sorts a list of items into ascending order.
• timestamp.p, prints the current YMDHMS date as a time stamp.

Examples and Tests:

• st_io_test.py, calls all the tests.
• st_io_test.sh, runs all the tests.
• r8st_io_test.txt, the output file.
• a5by5_r8.st, an R8ST file storing a 5 by 5 matrix.
• kershaw_r8.st, an R8ST file storing a 4 by 4 matrix.

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