diff --git a/iodata/basis.py b/iodata/basis.py index 09d7a65a..3e943d17 100644 --- a/iodata/basis.py +++ b/iodata/basis.py @@ -32,7 +32,7 @@ import numpy as np from numpy.typing import NDArray -from .attrutils import validate_shape +from .attrutils import convert_array_to, validate_shape __all__ = ( "angmom_sti", @@ -114,37 +114,49 @@ class Shell: icenter: int = attrs.field() """An integer index specifying the row in the atcoords array of IOData object.""" - angmoms: list[int] = attrs.field(validator=validate_shape(("coeffs", 1))) + angmoms: NDArray[int] = attrs.field( + converter=convert_array_to(int), + validator=validate_shape(("coeffs", 1)), + ) """An integer array of angular momentum quantum numbers, non-negative, with shape (ncon,). - In the case of ordinary (not generalized) contractions, this list contains one element. + In the case of ordinary (not generalized) contractions, this array contains one element. - For generalized contractions, this list contains multiple elements. + For generalized contractions, this array contains multiple elements. The same angular momentum may or may not appear multiple times. The most common form of generalized contraction is the SP shell, e.g. as found in the Pople basis sets (6-31G and others), - in which case this list is ``[0, 1]``. + in which case this array is ``[0, 1]``. Other forms of generalized contractions exist, but only some quantum chemistry codes have efficient implementations for them. For example, the ANO-RCC basis for carbon has 8 S-type basis functions, all different linear combinations of the same 14 Gaussian primitives. - In this case, this list is ``[0, 0, 0, 0, 0, 0, 0, 0]``. + In this case, this array is ``[0, 0, 0, 0, 0, 0, 0, 0]``. """ - kinds: list[str] = attrs.field(validator=validate_shape(("coeffs", 1))) + kinds: NDArray[str] = attrs.field( + converter=convert_array_to(str), + validator=validate_shape(("coeffs", 1)), + ) """ - List of strings describing the kind of contractions: + Array of strings describing the kind of contractions: ``'c'`` for Cartesian and ``'p'`` for pure. Pure functions are only allowed for ``angmom > 1``. The length equals the number of contractions (``ncon = len(kinds)``). """ - exponents: NDArray[float] = attrs.field(validator=validate_shape(("coeffs", 0))) + exponents: NDArray[float] = attrs.field( + converter=convert_array_to(float), + validator=validate_shape(("coeffs", 0)), + ) """The array containing the exponents of the primitives, with shape (nexp,).""" - coeffs: NDArray[float] = attrs.field(validator=validate_shape(("exponents", 0), ("kinds", 0))) + coeffs: NDArray[float] = attrs.field( + converter=convert_array_to(float), + validator=validate_shape(("exponents", 0), ("kinds", 0)), + ) """ The array containing the coefficients of the normalized primitives in each contraction; shape = (nexp, ncon). diff --git a/iodata/formats/fchk.py b/iodata/formats/fchk.py index 237af9ae..5ab87c93 100644 --- a/iodata/formats/fchk.py +++ b/iodata/formats/fchk.py @@ -667,7 +667,7 @@ def dump_one(f: TextIO, data: IOData): shell_types.append(shell.angmoms[0]) elif shell.ncon == 1 and shell.kinds == ["p"]: shell_types.append(-1 * shell.angmoms[0]) - elif shell.ncon == 2 and shell.angmoms == [0, 1]: + elif shell.ncon == 2 and (shell.angmoms == [0, 1]).all(): shell_types.append(-1) else: raise DumpError("Cannot identify type of shell!", f) diff --git a/iodata/test/common.py b/iodata/test/common.py index 9a8537f3..d436cb05 100644 --- a/iodata/test/common.py +++ b/iodata/test/common.py @@ -112,7 +112,7 @@ def compare_mols(mol1, mol2, atol=1.0e-8, rtol=0.0): for shell1, shell2 in zip(mol1.obasis.shells, mol2.obasis.shells): assert shell1.icenter == shell2.icenter assert_equal(shell1.angmoms, shell2.angmoms) - assert shell1.kinds == shell2.kinds + assert_equal(shell1.kinds, shell2.kinds) assert_allclose(shell1.exponents, shell2.exponents, atol=atol, rtol=rtol) assert_allclose(shell1.coeffs, shell2.coeffs, atol=atol, rtol=rtol) assert mol1.obasis.primitive_normalization == mol2.obasis.primitive_normalization diff --git a/iodata/test/test_cp2klog.py b/iodata/test/test_cp2klog.py index 043c43df..1dda7bb6 100644 --- a/iodata/test/test_cp2klog.py +++ b/iodata/test/test_cp2klog.py @@ -41,11 +41,11 @@ def test_atom_si_uks(): assert_allclose(mol.mo.energiesb, [-0.334567, -0.092237, -0.092237, -0.092237], atol=1.0e-4) assert_allclose(mol.energy, -3.761587698067, atol=1.0e-10) assert len(mol.obasis.shells) == 3 - assert mol.obasis.shells[0].kinds == ["c", "c"] + assert_equal(mol.obasis.shells[0].kinds, ["c", "c"]) assert_equal(mol.obasis.shells[1].angmoms, [1, 1]) - assert mol.obasis.shells[1].kinds == ["c", "c"] + assert_equal(mol.obasis.shells[1].kinds, ["c", "c"]) assert_equal(mol.obasis.shells[2].angmoms, [2]) - assert mol.obasis.shells[2].kinds == ["p"] + assert_equal(mol.obasis.shells[2].kinds, ["p"]) # check mo normalization olp = compute_overlap(mol.obasis, mol.atcoords) check_orthonormal(mol.mo.coeffsa, olp) @@ -63,11 +63,11 @@ def test_atom_o_rks(): assert_allclose(mol.energy, -15.464982778766, atol=1.0e-10) assert_equal(mol.obasis.shells[0].angmoms, [0, 0]) assert len(mol.obasis.shells) == 3 - assert mol.obasis.shells[0].kinds == ["c", "c"] + assert_equal(mol.obasis.shells[0].kinds, ["c", "c"]) assert_equal(mol.obasis.shells[1].angmoms, [1, 1]) - assert mol.obasis.shells[1].kinds == ["c", "c"] + assert_equal(mol.obasis.shells[1].kinds, ["c", "c"]) assert_equal(mol.obasis.shells[2].angmoms, [2]) - assert mol.obasis.shells[2].kinds == ["p"] + assert_equal(mol.obasis.shells[2].kinds, ["p"]) # check mo normalization olp = compute_overlap(mol.obasis, mol.atcoords) check_orthonormal(mol.mo.coeffs, olp) diff --git a/iodata/test/test_fchk.py b/iodata/test/test_fchk.py index 725be878..57aa8592 100644 --- a/iodata/test/test_fchk.py +++ b/iodata/test/test_fchk.py @@ -65,8 +65,8 @@ def test_load_fchk_hf_sto3g_num(): assert len(mol.obasis.shells) == 3 shell0 = mol.obasis.shells[0] assert shell0.icenter == 0 - assert shell0.angmoms == [0] - assert shell0.kinds == ["c"] + assert_equal(shell0.angmoms, [0]) + assert_equal(shell0.kinds, ["c"]) assert_allclose(shell0.exponents, np.array([1.66679134e02, 3.03608123e01, 8.21682067e00])) assert_allclose(shell0.coeffs, np.array([[1.54328967e-01], [5.35328142e-01], [4.44634542e-01]])) assert shell0.nexp == 3 @@ -74,8 +74,8 @@ def test_load_fchk_hf_sto3g_num(): assert shell0.nbasis == 1 shell1 = mol.obasis.shells[1] assert shell1.icenter == 0 - assert shell1.angmoms == [0, 1] - assert shell1.kinds == ["c", "c"] + assert_equal(shell1.angmoms, [0, 1]) + assert_equal(shell1.kinds, ["c", "c"]) assert_allclose(shell1.exponents, np.array([6.46480325e00, 1.50228124e00, 4.88588486e-01])) assert_allclose( shell1.coeffs, diff --git a/iodata/test/test_molden.py b/iodata/test/test_molden.py index 03349bd6..1a961022 100644 --- a/iodata/test/test_molden.py +++ b/iodata/test/test_molden.py @@ -612,8 +612,8 @@ def test_mixed_pure_cartesian(tmpdir): atcoords=[[1.0, 0.0, 0.0], [0.0, 0.0, 0.0]], obasis=MolecularBasis( [ - Shell(0, [2], ["c"], np.array([1.0]), np.array([[1.0]])), - Shell(0, [2], ["p"], np.array([1.0]), np.array([[1.0]])), + Shell(0, [2], ["c"], [1.0], [[1.0]]), + Shell(0, [2], ["p"], [1.0], [[1.0]]), ], HORTON2_CONVENTIONS, "L2", diff --git a/iodata/test/test_overlap.py b/iodata/test/test_overlap.py index fe3846fd..417b36d0 100644 --- a/iodata/test/test_overlap.py +++ b/iodata/test/test_overlap.py @@ -57,9 +57,9 @@ def test_factorial2_float_array_argument(): def test_normalization_basics_segmented(): for angmom in range(7): - shells = [Shell(0, [angmom], ["c"], np.array([0.23]), np.array([[1.0]]))] + shells = [Shell(0, [angmom], ["c"], [0.23], [[1.0]])] if angmom >= 2: - shells.append(Shell(0, [angmom], ["p"], np.array([0.23]), np.array([[1.0]]))) + shells.append(Shell(0, [angmom], ["p"], [0.23], [[1.0]])) obasis = MolecularBasis(shells, OVERLAP_CONVENTIONS, "L2") atcoords = np.zeros((1, 3)) overlap = compute_overlap(obasis, atcoords) @@ -68,7 +68,7 @@ def test_normalization_basics_segmented(): def test_normalization_basics_generalized(): for angmom in range(2, 7): - shells = [Shell(0, [angmom] * 2, ["c", "p"], np.array([0.23]), np.array([[1.0, 1.0]]))] + shells = [Shell(0, [angmom] * 2, ["c", "p"], [0.23], [[1.0, 1.0]])] obasis = MolecularBasis(shells, OVERLAP_CONVENTIONS, "L2") atcoords = np.zeros((1, 3)) overlap = compute_overlap(obasis, atcoords)