Beispiel #1
0
def ldexp(significand, exponent, stream=None):
    """Return a new array of floating point values composed from the
    entries of `significand` and `exponent`, paired together as
    `result = significand * 2**exponent`.
    """
    result = gpuarray.GPUArray(significand.shape, significand.dtype)

    func = elementwise.get_ldexp_kernel()
    func.set_block_shape(*significand._block)
    func.prepared_async_call(significand._grid, stream, significand.gpudata,
                             exponent.gpudata, result.gpudata,
                             significand.mem_size)

    return result
Beispiel #2
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def ldexp(significand, exponent, stream=None):
    """Return a new array of floating point values composed from the
    entries of `significand` and `exponent`, paired together as
    `result = significand * 2**exponent`.
    """
    result = gpuarray.GPUArray(significand.shape, significand.dtype)

    func = elementwise.get_ldexp_kernel()
    func.set_block_shape(*significand._block)
    func.prepared_async_call(significand._grid, stream,
            significand.gpudata, exponent.gpudata, result.gpudata,
            significand.mem_size)

    return result
Beispiel #3
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def ldexp(significand, exponent, stream=None):
    """Return a new array of floating point values composed from the
    entries of `significand` and `exponent`, paired together as
    `result = significand * 2**exponent`.
    """
    if not significand.flags.forc or not exponent.flags.forc:
        raise RuntimeError("only contiguous arrays may "
                           "be used as arguments to this operation")

    result = gpuarray.GPUArray(significand.shape, significand.dtype)

    func = elementwise.get_ldexp_kernel()
    func.prepared_async_call(significand._grid, significand._block, stream,
                             significand.gpudata, exponent.gpudata,
                             result.gpudata, significand.mem_size)

    return result
Beispiel #4
0
def ldexp(significand, exponent, stream=None):
    """Return a new array of floating point values composed from the
    entries of `significand` and `exponent`, paired together as
    `result = significand * 2**exponent`.
    """
    if not significand.flags.forc or not exponent.flags.forc:
        raise RuntimeError("only contiguous arrays may "
                "be used as arguments to this operation")

    result = gpuarray.GPUArray(significand.shape, significand.dtype)

    func = elementwise.get_ldexp_kernel()
    func.prepared_async_call(significand._grid, significand._block, stream,
            significand.gpudata, exponent.gpudata, result.gpudata,
            significand.mem_size)

    return result