##
#  Copyright : Copyright (c) MOSEK ApS, Denmark. All rights reserved.
#
#  File :      parameters.py
#
#  Purpose :   Demonstrates a very simple example about how to get/set
#              parameters with MOSEK Python API
##
import mosek

# Create the mosek task
with mosek.Task() as task:
    print('Test MOSEK parameter get/set functions')

    # Set log level (integer parameter)
    task.putintparam(mosek.iparam.log, 1)
    # Select interior-point optimizer... (integer parameter)
    task.putintparam(mosek.iparam.optimizer, mosek.optimizertype.intpnt)
    # ... without basis identification (integer parameter)
    task.putintparam(mosek.iparam.intpnt_basis, mosek.basindtype.never)
    # Set relative gap tolerance (double parameter)
    task.putdouparam(mosek.dparam.intpnt_co_tol_rel_gap, 1.0e-7)

    # The same using explicit string names 
    task.putparam     ("MSK_DPAR_INTPNT_CO_TOL_REL_GAP", "1.0e-7")
    task.putnadouparam("MSK_DPAR_INTPNT_CO_TOL_REL_GAP",  1.0e-7 )

    # Incorrect value
    try:
        task.putdouparam(mosek.dparam.intpnt_co_tol_rel_gap, -1.0)
    except:
        print('Wrong parameter value') 


    param = task.getdouparam(mosek.dparam.intpnt_co_tol_rel_gap)
    print('Current value for parameter intpnt_co_tol_rel_gap = {}'.format(param))

    # Define and solve an optimization problem here
    # task.optimize() 
    # After optimization: 

    print('Get MOSEK information items')

    tm = task.getdouinf(mosek.dinfitem.optimizer_time)
    it = task.getintinf(mosek.iinfitem.intpnt_iter)

    print('Time: {0}\nIterations: {1}'.format(tm,it))