Vectorized Sparse Solver(VIS)

Usage of Environment Variables within VIS

Users can set some environment variables within VIS. These environment variables will give the user more control using the solver. These commands work only on UNIX OS.

1. VIS_TOLERANCE

user can sets the tolerance to any value

Usage:

setenv VIS_TOLERANCE .000001

3. I_DUMP

Users can write out the matrix when entering VSS. This option helps the users to debug his matrix. Default is set to 0.

Usage:

setenv I_DUMP 1

4. PRINT_SOLUTION

Users can print the results from solving AX=b to a file in an ASCII form using PRINT_SOLUTION to be 1. Default is set to 0.

Usage:

setenv PRINT_SOLUTION 1

5. PRINT_MEMORY

Users can print the amount of memory usage using using PRINT_MEMORY to be 1. Default is set to 0.

Usage:

setenv PRINT_MEMORY 1

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