test_blas.py 文件源码

def test_dot22scalar_cast():
    """
    Test that in `dot22_to_dot22scalar` we properly cast integers to floats.
    """
    # Note that this test was failing before d5ff6904.
    A = T.dmatrix()
    for scalar_int_type in T.int_dtypes:
        y = T.scalar(dtype=scalar_int_type)
        f = theano.function([A, y], T.dot(A, A) * y, mode=mode_blas_opt)
        assert _dot22scalar in [x.op for x in f.maker.fgraph.toposort()]
    A = T.fmatrix()
    for scalar_int_type in T.int_dtypes:
        y = T.scalar(dtype=scalar_int_type)
        f = theano.function([A, y], T.dot(A, A) * y, mode=mode_blas_opt)
        if scalar_int_type in ['int32', 'int64']:
            assert _dot22 in [x.op for x in f.maker.fgraph.toposort()]
        else:
            assert _dot22scalar in [x.op for x in f.maker.fgraph.toposort()]