Laboratoire de l'Informatique et du Parallélisme » Pobyso

"""

Test module for pobyso.py functions.

AUTHORS:

- S.T. (2014-02-26): initial version

TODO:

- everything!

"""

print "\ntestPobyso loading..."

#

import inspect

import resource

import timeit

def memory_usage_resource():

    rusage_denom = RR("1024")

    if sys.platform == 'darwin':

        # ... it seems that in OSX the output is different units ...

        rusage_denom = rusage_denom * rusage_denom

    mem = resource.getrusage(resource.RUSAGE_SELF).ru_maxrss / rusage_denom

    return mem

# End memory_usage_resource()

def test_pobyso_wrapper(func, *args, **kwargs):

    def wrapped():

        return func(*args, **kwargs)

    return wrapped

#

def test_pobyso_absolute_so_so():

    for index in xrange(0,1000000):

        absoluteSo = pobyso_absolute_so_so()

        sollya_lib_clear_obj(absoluteSo)

# End test_absolute_so_so

def test_pobyso_autoprint_so_so(iterationsNum=1000):

    absoluteSo = pobyso_absolute_so_so()

    for index in xrange(0,iterationsNum):

        pobyso_autoprint(absoluteSo)

    sollya_lib_clear_obj(absoluteSo)

# End test_pobyso_autoprint

def test_pobyso_bounds_to_range_sa_so(repeat=1000, number=10):

    functionName =  inspect.stack()[0][3]

    print "Running", inspect.stack()[0][3], "..."

    lowerBoundSa = RR(1)

    upperBoundSa = RR(2)

    precSo = pobyso_get_prec_so()

    #pobyso_autoprint(precSo)

    #

    def test(lowerBoundSa, upperBoundSa):

        rangeSo = pobyso_bounds_to_range_sa_so(lowerBoundSa, upperBoundSa)

        sollya_lib_clear_obj(rangeSo)

    #

    wrapped = test_pobyso_wrapper(test,lowerBoundSa, upperBoundSa)

    timing = min(timeit.repeat(wrapped, repeat=repeat, number=number))

    #

    precSo = pobyso_get_prec_so()

    #pobyso_autoprint(precSo)

    sollya_lib_clear_obj(precSo)

    print "\t...", functionName, "done."

    return timing

# End test_pobyso_bounds_to_range_sa_so

def test_pobyso_get_list_elements_so_so(repeat = 1000, number=10):

    functionName = inspect.stack()[0][3]

    print "Running", functionName, "..."

    def test():

        listSo = pobyso_parse_string_sa_so("[|0,1,2,3,4,5,6|];")

        (listSaSo, elementsNumSa, isEndEllipticSa) = \

            pobyso_get_list_elements(listSo)

        for elementSo in listSaSo:

            sollya_lib_clear_obj(elementSo)

        # Notice that we use sollya_lib_clear_obj and not

        # sollya_lib_clear_object_list.

        sollya_lib_clear_obj(listSo, None)

    #

    wrapped = test_pobyso_wrapper(test)

    timing = min(timeit.repeat(wrapped, repeat=repeat, number=number))

    print "\t...", functionName, "done."

    return timing

# End test_pobyso_get_list_elements

def test_pobyso_get_prec_so_sa(iterationsNum=10000):

    print "Running", inspect.stack()[0][3]

    for index in xrange(0,iterationsNum):

        precSa = pobyso_get_prec_so_sa()

# End test_pobyso_get_prec_so_sa

def test_pobyso_get_prec_of_constant_so_sa(iterationsNum=10000):

    print "Running", inspect.stack()[0][3]

    constSo = pobyso_constant_from_int_sa_so(2)

    for index in xrange(0,iterationsNum):

        precSa = pobyso_get_prec_of_constant_so_sa(constSo)

    sollya_lib_clear_obj(constSo)

# End test_pobyso_get_prec_of_constant_so_sa

def test_pobyso_lib_init(iterationsNum=10000):

    """

    Must be called exactly once. Leaks lots of memory otherwise.

    """

    print "Running", inspect.stack()[0][3]

    for index in xrange(0,iterationsNum):

        pobyso_lib_init()

        #pobyso_lib_close()

# End test_pobyso_lib_init

def test_pobyso_parse_string_sa_so(iterationsNum=10000):

    print "Running", inspect.stack()[0][3]

    for index in xrange(0,iterationsNum):

        expressionSo = pobyso_parse_string_sa_so('exp(x)+2*x*sin(x)')

        sollya_lib_clear_obj(expressionSo)

# End pobyso_parse_string_sa_so

def test_pobyso_taylor_expansion_no_change_var_so_so(repeat=1000, number=10):

    functionName = inspect.stack()[0][3]

    print "Running", functionName, "..."

    functionSo  = pobyso_parse_string('exp(x)')

    degreeSo    = pobyso_constant_from_int_sa_so(20)

    rangeSo     = pobyso_bounds_to_range_sa_so(RR(1),RR(2))

    errorTypeSo = pobyso_absolute_so_so()

    def test(functionSo, degreeSo, rangeSo, errorTypeSo):

        teSo = pobyso_taylor_expansion_no_change_var_so_so(functionSo,

                                                           degreeSo,

                                                           rangeSo,

                                                           errorTypeSo)

        sollya_lib_clear_obj(teSo[0])

        sollya_lib_clear_obj(teSo[1])

        sollya_lib_clear_obj(teSo[2])

    # End test

    wrapped = test_pobyso_wrapper(test,

                                  functionSo,

                                  degreeSo,

                                  rangeSo,

                                  errorTypeSo)

    timing = min(timeit.repeat(wrapped, repeat=repeat, number=number))

    sollya_lib_clear_obj(functionSo)

    sollya_lib_clear_obj(degreeSo)

    sollya_lib_clear_obj(rangeSo)

    sollya_lib_clear_obj(errorTypeSo)

    print "\t...", functionName, "done."

    return timing

# End test_pobyso_taylor_expansion_no_change_var_so_so

def test_pobyso_taylor_form_so_so_2(repeat=1000, number=10):

    functionName = inspect.stack()[0][3]

    print "Running", functionName, "..."

    functionSo  = pobyso_parse_string('exp(x)')

    degreeSo    = pobyso_constant_from_int_sa_so(20)

    rangeSo     = pobyso_bounds_to_range_sa_so(RR(1),RR(2))

    intervalCenterSo = sollya_lib_mid(rangeSo, None)

    errorTypeSo = pobyso_absolute_so_so()

    def test(functionSo, degreeSo, intervalCenterSo, errorTypeSo):

        taylorformSo = pobyso_taylorform_so_so(functionSo,

                                               degreeSo,

                                               intervalCenterSo,

                                               errorTypeSo)

        sollya_lib_clear_obj(taylorformSo)

    wrapped = test_pobyso_wrapper(test,

                                  functionSo,

                                  degreeSo,

                                  intervalCenterSo,

                                  errorTypeSo)

    timing = min(timeit.repeat(wrapped, repeat=repeat, number=number))

    sollya_lib_clear_obj(functionSo,None)

    sollya_lib_clear_obj(degreeSo,None)

    sollya_lib_clear_obj(rangeSo,None)

    sollya_lib_clear_obj(intervalCenterSo,None)

    sollya_lib_clear_obj(errorTypeSo,None)

    return timing

# End   test_pobyso_taylor_so_so_2

def test_pobyso_dummy_test(iterationsNum=1, executionsNum=1):

    aString = "2+3"

    def test():

        return 2+3

    wrapped = test_pobyso_wrapper(test)

    timing = timeit.timeit(wrapped, number=executionsNum)

    return timing

print "\t...testPobyso loaded"