mindspore.ops.csr_isinf

mindspore.ops.csr_isinf(x: CSRTensor)[source]

Determines which elements are inf or -inf for each position.

\begin{array}{r} o u t_{i} = {\begin{cases} if x_{i} = Inf, T r u e \\ if x_{i} \neq Inf, F a l s e \end{cases} \end{array}

where $I n f$ means not a number.

Parameters: x (CSRTensor) – The input CSRTensor.
Returns: CSRTensor, has the same shape of input, and the dtype is bool.
Raises: TypeError – If x is not a CSRTensor.

Supported Platforms:: GPU CPU

Examples

>>> from mindspore import dtype as mstype
>>> from mindspore import Tensor, ops, CSRTensor
>>> indptr = Tensor([0, 1, 2, 2], dtype=mstype.int32)
>>> indices = Tensor([3, 0], dtype=mstype.int32)
>>> values = Tensor([-1, 2], dtype=mstype.float32)
>>> shape = (3, 4)
>>> x = CSRTensor(indptr, indices, values, shape)
>>> output = ops.csr_isinf(x)
>>> print(output.values)
[False False]