Exemplo n.º 1
0
Arquivo: nd.py Projeto: saponas/hail
from functools import reduce

import hail as hl
from hail.expr.functions import _ndarray
from hail.expr.functions import array as aarray
from hail.expr.types import HailType, tfloat64, ttuple, tndarray
from hail.typecheck import typecheck, nullable, oneof, tupleof, sequenceof
from hail.expr.expressions import (expr_int32, expr_int64, expr_tuple,
                                   expr_any, expr_array, expr_ndarray,
                                   expr_numeric, Int64Expression, cast_expr,
                                   construct_expr)
from hail.expr.expressions.typed_expressions import NDArrayNumericExpression
from hail.ir import NDArrayQR, NDArrayInv, NDArrayConcat, NDArraySVD, Apply

tsequenceof_nd = oneof(sequenceof(expr_ndarray()), expr_array(expr_ndarray()))
shape_type = oneof(expr_int64, tupleof(expr_int64), expr_tuple())


def array(input_array, dtype=None):
    """Construct an :class:`.NDArrayExpression`

    Examples
    --------

    >>> hl.eval(hl.nd.array([1, 2, 3, 4]))
    array([1, 2, 3, 4], dtype=int32)

    >>> hl.eval(hl.nd.array([[1, 2, 3], [4, 5, 6]]))
    array([[1, 2, 3],
       [4, 5, 6]], dtype=int32)
Exemplo n.º 2
0
from functools import reduce

import hail as hl
from hail.expr.functions import _ndarray
from hail.expr.functions import array as aarray
from hail.expr.types import HailType, tfloat64, ttuple, tndarray
from hail.typecheck import typecheck, nullable, oneof, tupleof, sequenceof
from hail.expr.expressions import (expr_int32, expr_int64, expr_tuple,
                                   expr_any, expr_array, expr_ndarray,
                                   expr_numeric, Int64Expression, cast_expr,
                                   construct_expr)
from hail.expr.expressions.typed_expressions import NDArrayNumericExpression
from hail.ir import NDArrayQR, NDArrayInv, NDArrayConcat

tsequenceof_nd = oneof(sequenceof(expr_ndarray()), tupleof(expr_ndarray()),
                       expr_array(expr_ndarray()))
shape_type = oneof(expr_int64, tupleof(expr_int64), expr_tuple())


def array(input_array, dtype=None):
    """Construct an :class:`.NDArrayExpression`

    Examples
    --------

    >>> hl.eval(hl.nd.array([1, 2, 3, 4]))
    array([1, 2, 3, 4], dtype=int32)

    >>> hl.eval(hl.nd.array([[1, 2, 3], [4, 5, 6]]))
    array([[1, 2, 3],
       [4, 5, 6]], dtype=int32)
Exemplo n.º 3
0
Arquivo: nd.py Projeto: tpoterba/hail
            Desired hail type.


       See Also
       --------
       :func:`.full`

       Returns
       -------
       :class:`.NDArrayNumericExpression`
           ndarray of the specified size full of ones.
       """
    return full(shape, 1, dtype)


@typecheck(nd=expr_ndarray())
def diagonal(nd):
    """Gets the diagonal of a 2 dimensional NDArray.

    Examples
    --------

    >>> hl.eval(hl.nd.diagonal(hl.nd.array([[1, 2], [3, 4]])))
    array([1, 4], dtype=int32)

    :param nd: A 2 dimensional NDArray, shape(M, N).
    :return: A 1 dimension NDArray of length min (M, N), containing the diagonal of `nd`.
    """
    assert nd.ndim == 2, "diagonal requires 2 dimensional ndarray"
    shape_min = hl.min(nd.shape[0], nd.shape[1])
    return hl.nd.array(hl.range(hl.int32(shape_min)).map(lambda i: nd[i, i]))
Exemplo n.º 4
0
from functools import reduce

import hail as hl
from hail.expr.functions import _ndarray
from hail.expr.functions import array as aarray
from hail.expr.types import HailType, tfloat64, tfloat32, ttuple, tndarray
from hail.typecheck import typecheck, nullable, oneof, tupleof, sequenceof
from hail.expr.expressions import (expr_int32, expr_int64, expr_tuple,
                                   expr_any, expr_array, expr_ndarray,
                                   expr_numeric, Int64Expression, cast_expr,
                                   construct_expr, expr_bool)
from hail.expr.expressions.typed_expressions import NDArrayNumericExpression
from hail.ir import NDArrayQR, NDArrayInv, NDArrayConcat, NDArraySVD, Apply

tsequenceof_nd = oneof(sequenceof(expr_ndarray()), expr_array(expr_ndarray()))
shape_type = oneof(expr_int64, tupleof(expr_int64), expr_tuple())


def array(input_array, dtype=None):
    """Construct an :class:`.NDArrayExpression`

    Examples
    --------

    >>> hl.eval(hl.nd.array([1, 2, 3, 4]))
    array([1, 2, 3, 4], dtype=int32)

    >>> hl.eval(hl.nd.array([[1, 2, 3], [4, 5, 6]]))
    array([[1, 2, 3],
       [4, 5, 6]], dtype=int32)