gyshi commented on a change in pull request #15390: [Numpy fix-doc]modify
numpy doc
URL: https://github.com/apache/incubator-mxnet/pull/15390#discussion_r299376687
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File path: python/mxnet/symbol/numpy/_symbol.py
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@@ -1549,10 +1613,161 @@ def sqrt(x, out=None, **kwargs):
square-root of each element in `x`. This is a scalar if `x` is a
scalar.
Notes
- ----
+ -----
This function only supports input type of float.
"""
return _unary_func_helper(x, _npi.sqrt, _np.sqrt, out=out, **kwargs)
+@set_module('mxnet.symbol.numpy')
+def ceil(x, out=None, **kwargs):
+ r"""
+ Return the ceiling of the input, element-wise.
+
+ The ceil of the ndarray `x` is the smallest integer `i`, such that
+ `i >= x`. It is often denoted as :math:`\lceil x \rceil`.
+
+ Parameters
+ ----------
+ x : _Symbol or scalar
+ Input array.
+ out : _Symbol or None
+ A location into which the result is stored. If provided, it
+ must have a shape that the inputs fill into. If not provided
+ or None, a freshly-allocated array is returned. The dtype of the
+ output and input must be the same.
+
+ Returns
+ -------
+ y :
+ _Symbol or scalar
+ The ceiling of each element in `x`, with `float` dtype.
+ This is a scalar if `x` is a scalar.
+
+ Examples
+ --------
+ >>> a = np.array([-1.7, -1.5, -0.2, 0.2, 1.5, 1.7, 2.0])
+ >>> np.ceil(a)
+ array([-1., -1., -0., 1., 2., 2., 2.])
+
+ >>> #if you use parameter out, x and out must be ndarray. if not, you will
get an error!
+ >>> a = np.array(1)
+ >>> np.ceil(np.array(3.5), a)
+ array(4.)
+ >>> a
+ array(4.)
+
+ """
+ return _unary_func_helper(x, _npi.ceil, _np.ceil, out=out, **kwargs)
+
+
+@set_module('mxnet.symbol.numpy')
+def log1p(x, out=None, **kwargs):
+ """
+ Return the natural logarithm of one plus the input array, element-wise.
+
+ Calculates ``log(1 + x)``.
+
+ Parameters
+ ----------
+ x : _Symbol or scalar
+ Input array.
+ out : _Symbol or None
+ A location into which the result is stored. If provided, it
+ must have a shape that the inputs fill into. If not provided
Review comment:
resolve
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