
{{alias}}( N, condition, strideC, x, strideX, y, strideY, out, strideOut )
    Takes elements from one of two double-precision floating-point strided
    arrays depending on a condition.

    The `N` and stride parameters determine which elements in the strided arrays
    are accessed at runtime.

    Indexing is relative to the first index. To introduce an offset, use a typed
    array view.

    If `N <= 0`, the function returns `out` unchanged.

    Parameters
    ----------
    N: integer
        Number of indexed elements.

    condition: BooleanArray
        Condition array.

    strideC: integer
        Stride length for `condition`.

    x: Float64Array
        First input array.

    strideX: integer
        Stride length for `x`.

    y: Float64Array
        Second input array.

    strideY: integer
        Stride length for `y`.

    out: Float64Array
        Output array.

    strideOut: integer
        Stride length for `out`.

    Returns
    -------
    out: Float64Array
        Output array.

    Examples
    --------
    // Standard Usage:
    > var c = new {{alias:@stdlib/array/bool}}( [ true, false, true ] );
    > var x = new {{alias:@stdlib/array/float64}}( [ 1.0, 2.0, 3.0 ] );
    > var y = new {{alias:@stdlib/array/float64}}( [ 4.0, 5.0, 6.0 ] );
    > var out = new {{alias:@stdlib/array/float64}}( [ 0.0, 0.0, 0.0 ] );
    > {{alias}}( 3, c, 1, x, 1, y, 1, out, 1 )
    <Float64Array>[ 1.0, 5.0, 3.0 ]

    // Using `N` and stride parameters:
    > c = new {{alias:@stdlib/array/bool}}( [ true, false, false, true, true, false ] );
    > x = new {{alias:@stdlib/array/float64}}( [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0 ] );
    > y = new {{alias:@stdlib/array/float64}}( [ 7.0, 8.0, 9.0, 10.0, 11.0, 12.0 ] );
    > out = new {{alias:@stdlib/array/float64}}( [ 0.0, 0.0, 0.0 ] );
    > {{alias}}( 3, c, 2, x, 2, y, 2, out, 1 )
    <Float64Array>[ 1.0, 9.0, 5.0 ]

    // Using view offsets:
    > var c0 = new {{alias:@stdlib/array/bool}}( [ false, true, false, true ] );
    > var x0 = new {{alias:@stdlib/array/float64}}( [ 1.0, 2.0, 3.0, 4.0 ] );
    > var y0 = new {{alias:@stdlib/array/float64}}( [ 5.0, 6.0, 7.0, 8.0 ] );
    > var o0 = new {{alias:@stdlib/array/float64}}( [ 0.0, 0.0, 0.0, 0.0 ] );
    > var c1 = new {{alias:@stdlib/array/bool}}( c0.buffer, c0.BYTES_PER_ELEMENT*1 );
    > var x1 = new {{alias:@stdlib/array/float64}}( x0.buffer, x0.BYTES_PER_ELEMENT*1 );
    > var y1 = new {{alias:@stdlib/array/float64}}( y0.buffer, y0.BYTES_PER_ELEMENT*1 );
    > var o1 = new {{alias:@stdlib/array/float64}}( o0.buffer, o0.BYTES_PER_ELEMENT*1 );
    > {{alias}}( 2, c1, 1, x1, 1, y1, 1, o1, 1 )
    <Float64Array>[ 2.0, 7.0, 0.0 ]


{{alias}}.ndarray( N, c, sc, oc, x, sx, ox, y, sy, oy, o, so, oo )
    Takes elements from one of two double-precision floating-point strided
    arrays depending on a condition using alternative indexing semantics.

    While typed array views mandate a view offset based on the underlying
    buffer, the offset parameters support indexing semantics based on starting
    indices.

    Parameters
    ----------
    N: integer
        Number of indexed elements.

    c: BooleanArray
        Condition array.

    sc: integer
        Stride length for `c`.

    oc: integer
        Starting index for `c`.

    x: Float64Array
        First input array.

    sx: integer
        Stride length for `x`.

    ox: integer
        Starting index for `x`.

    y: Float64Array
        Second input array.

    sy: integer
        Stride length for `y`.

    oy: integer
        Starting index for `y`.

    o: Float64Array
        Output array.

    so: integer
        Stride length for `o`.

    oo: integer
        Starting index for `o`.

    Returns
    -------
    o: Float64Array
        Output array.

    Examples
    --------
    // Standard Usage:
    > var c = new {{alias:@stdlib/array/bool}}( [ true, false, true ] );
    > var x = new {{alias:@stdlib/array/float64}}( [ 1.0, 2.0, 3.0 ] );
    > var y = new {{alias:@stdlib/array/float64}}( [ 4.0, 5.0, 6.0 ] );
    > var o = new {{alias:@stdlib/array/float64}}( [ 0.0, 0.0, 0.0 ] );
    > {{alias}}.ndarray( 3, c, 1, 0, x, 1, 0, y, 1, 0, o, 1, 0 )
    <Float64Array>[ 1.0, 5.0, 3.0 ]

    // Advanced indexing:
    > c = new {{alias:@stdlib/array/bool}}( [ false, true, false, false, false, true ] );
    > x = new {{alias:@stdlib/array/float64}}( [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0 ] );
    > y = new {{alias:@stdlib/array/float64}}( [ 7.0, 8.0, 9.0, 10.0, 11.0, 12.0 ] );
    > o = new {{alias:@stdlib/array/float64}}( [ 0.0, 0.0, 0.0 ] );
    > {{alias}}.ndarray( 3, c, 2, 1, x, 2, 1, y, 2, 1, o, -1, o.length-1 )
    <Float64Array>[ 6.0, 10.0, 2.0 ]

    See Also
    --------

