fridom.framework.utils.array_ops.array_is_constant

fridom.framework.utils.array_ops.array_is_constant(arr: ndarray) → bool

Check if an array is constant.

Description

This function checks if all elements of an array are the same.

Parameters

arrnp.ndarray

The array to check.

Returns

bool

True if the array is constant, False otherwise.

Examples

>>> import fridom.framework as fr
>>> x = fr.config.ncp.ones(10)
>>> fr.utils.array_is_constant(x)
True
>>> x[5] = 0
>>> fr.utils.array_is_constant(x)
False