Beispiel #1
0
def check_unit_conversions2():


    tu = get_types_universe()

    A = make_rcompunit('mph')
    B = make_rcompunit('m/s')
    assert not A == B

    tu.check_leq(A, B)
    tu.check_leq(B, A)
    assert not tu.equal(A, B)

    B_from_A, A_from_B = tu.get_embedding(A, B)
    print('B_from_A: %s' % B_from_A)
    print('A_from_B: %s' % A_from_B)

    tu.check_equal(B_from_A.dom, A)
    tu.check_equal(B_from_A.cod, B)
    tu.check_equal(A_from_B.dom, B)
    tu.check_equal(A_from_B.cod, A)

    print('B_from_A: %s  a=1.0 B_from_A(1.0) = %s' % (B_from_A, B_from_A(1.0)))
    assert_allclose(B_from_A(1.0), ONE_MPH_IN_M_S)
    assert_allclose(A_from_B(ONE_MPH_IN_M_S), 1.0)


    ndp = parse_ndp("""
mcdp {  
    provides a [m/s] 
    provides b [mph]

    requires c [m/s]
    requires d [mph]

    c >= a + b
    d >= a + b
}
    """)
    print ndp.repr_long()
    dp = ndp.get_dp()
    print dp.repr_long()
    cases = (
      ((0.0, 1.0), (ONE_MPH_IN_M_S, 1.0)),
      ((1.0, 0.0), (1.0, 1.0 / ONE_MPH_IN_M_S)),
    )

    for func, expected in cases:
        print('func: %s   F = %s' % (str(func), dp.get_fun_space()))
        print('expected: %s' % str(expected))
        r = dp.solve(func)
        print('obtained: %s %s' % (str(r), dp.get_res_space()))
        limit = list(r.minimals)[0]
        assert_allclose(limit, expected)
Beispiel #2
0
def check_unit_conversions2():

    tu = get_types_universe()

    A = make_rcompunit('mph')
    B = make_rcompunit('m/s')
    assert not A == B

    tu.check_leq(A, B)
    tu.check_leq(B, A)
    assert not tu.equal(A, B)

    B_from_A, A_from_B = tu.get_embedding(A, B)
    print('B_from_A: %s' % B_from_A)
    print('A_from_B: %s' % A_from_B)

    tu.check_equal(B_from_A.dom, A)
    tu.check_equal(B_from_A.cod, B)
    tu.check_equal(A_from_B.dom, B)
    tu.check_equal(A_from_B.cod, A)

    print('B_from_A: %s  a=1.0 B_from_A(1.0) = %s' % (B_from_A, B_from_A(1.0)))
    assert_allclose(B_from_A(1.0), ONE_MPH_IN_M_S)
    assert_allclose(A_from_B(ONE_MPH_IN_M_S), 1.0)

    ndp = parse_ndp("""
mcdp {  
    provides a [m/s] 
    provides b [mph]

    requires c [m/s]
    requires d [mph]

    c >= a + b
    d >= a + b
}
    """)
    print ndp.repr_long()
    dp = ndp.get_dp()
    print dp.repr_long()
    cases = (
        ((0.0, 1.0), (ONE_MPH_IN_M_S, 1.0)),
        ((1.0, 0.0), (1.0, 1.0 / ONE_MPH_IN_M_S)),
    )

    for func, expected in cases:
        print('func: %s   F = %s' % (str(func), dp.get_fun_space()))
        print('expected: %s' % str(expected))
        r = dp.solve(func)
        print('obtained: %s %s' % (str(r), dp.get_res_space()))
        limit = list(r.minimals)[0]
        assert_allclose(limit, expected)
Beispiel #3
0
def eval_space_rcompunit(r, context):  # @UnusedVariable
    check_isinstance(r, CDP.RcompUnit)
    from mcdp_posets.rcomp_units import make_rcompunit
    
    if r.pint_string == 'R':
        msg ='Please use "dimensionless" rather than "R".'
        warn_language(r, MCDPWarnings.LANGUAGE_CONSTRUCT_DEPRECATED, msg, context)
        
    return make_rcompunit(r.pint_string)
Beispiel #4
0
def eval_space_rcompunit(r, context):  # @UnusedVariable
    check_isinstance(r, CDP.RcompUnit)
    from mcdp_posets.rcomp_units import make_rcompunit
    
#     # TODO: remove
#     if r.pint_string == 'R': # pragma: no cover
#         msg ='Please use "dimensionless" rather than "R".'
#         warn_language(r, MCDPWarnings.LANGUAGE_CONSTRUCT_DEPRECATED, msg, context)
        
    return make_rcompunit(r.pint_string)