Add some examples for random ops

mindspore/ops/composite/random_ops.py

@@ -46,13 +46,13 @@ def normal(shape, mean, stddev, seed=None):
         The dtype is float32.
 
     Examples:
-        >>> shape = (2, 4)
-        >>> mean = Tensor(1.0, mstype.float32)
+        >>> shape = (3, 1, 2)
+        >>> mean = Tensor(np.array([[3, 4], [5, 6]]), mstype.float32)
         >>> stddev = Tensor(1.0, mstype.float32)
         >>> output = C.normal(shape, mean, stddev, seed=5)
-        >>> print(output)
-        [[ 1.0996436   0.44371283 0.11127508 -0.48055804]
-         [ 0.31989878 -1.0644426  1.5076542   1.2290289 ]]
+        >>> result = output.shape
+        >>> print(result)
+        (3, 2, 2)
     """
     mean_dtype = F.dtype(mean)
     stddev_dtype = F.dtype(stddev)
@@ -135,10 +135,13 @@ def uniform(shape, minval, maxval, seed=None, dtype=mstype.float32):
         >>> output = C.uniform(shape, minval, maxval, seed=5, dtype=mstype.int32)
         >>>
         >>> # For continuous uniform distribution, minval and maxval can be multi-dimentional:
-        >>> shape = (4, 2)
-        >>> minval = Tensor([1.0, 2.0], mstype.float32)
-        >>> maxval = Tensor([4.0, 5.0], mstype.float32)
+        >>> shape = (3, 1, 2)
+        >>> minval = Tensor(np.array([[3, 4], [5, 6]]), mstype.float32)
+        >>> maxval = Tensor([8.0, 10.0], mstype.float32)
         >>> output = C.uniform(shape, minval, maxval, seed=5)
+        >>> result = output.shape
+        >>> print(result)
+        (3, 2, 2)
     """
     minval_dtype = F.dtype(minval)
     maxval_dtype = F.dtype(maxval)
@@ -172,10 +175,13 @@ def gamma(shape, alpha, beta, seed=None):
         The dtype is float32.
 
     Examples:
-        >>> shape = (4, 16)
-        >>> alpha = Tensor(1.0, mstype.float32)
-        >>> beta = Tensor(1.0, mstype.float32)
+        >>> shape = (3, 1, 2)
+        >>> alpha = Tensor(np.array([[3, 4], [5, 6]]), mstype.float32)
+        >>> beta = Tensor(np.array([1.0]), mstype.float32)
         >>> output = C.gamma(shape, alpha, beta, seed=5)
+        >>> result = output.shape
+        >>> print(result)
+        (3, 2, 2)
     """
     seed1, seed2 = _get_seed(seed, "gamma")
     random_gamma = P.Gamma(seed1, seed2)
@@ -197,9 +203,12 @@ def poisson(shape, mean, seed=None):
         The dtype is float32.
 
     Examples:
-        >>> shape = (4, 16)
-        >>> mean = Tensor(1.0, mstype.float32)
+        >>> shape = (4, 1)
+        >>> mean = Tensor(np.array([5.0, 10.0]), mstype.float32)
         >>> output = C.poisson(shape, mean, seed=5)
+        >>> result = output.shape
+        >>> print(result)
+        (4, 2)
     """
     seed1, seed2 = _get_seed(seed, "poisson")
     random_poisson = P.Poisson(seed1, seed2)

mindspore/ops/operations/random_ops.py

@@ -144,14 +144,14 @@ class Gamma(PrimitiveWithInfer):
         ``Ascend``
 
     Examples:
-        >>> shape = (2, 2)
-        >>> alpha = Tensor(1.0, mstype.float32)
-        >>> beta = Tensor(1.0, mstype.float32)
+        >>> shape = (3, 1, 2)
+        >>> alpha = Tensor(np.array([[3, 4], [5, 6]]), mstype.float32)
+        >>> beta = Tensor(np.array([1.0]), mstype.float32)
         >>> gamma = ops.Gamma(seed=3)
         >>> output = gamma(shape, alpha, beta)
-        >>> print(output)
-        [[0.21962446 0.33740655]
-         [1.0859369  0.25875127]]
+        >>> result = output.shape
+        >>> print(result)
+        (3, 2, 2)
     """
 
     @prim_attr_register
@@ -203,10 +203,13 @@ class Poisson(PrimitiveWithInfer):
         ``Ascend``
 
     Examples:
-        >>> shape = (4, 16)
-        >>> mean = Tensor(5.0, mstype.float32)
+        >>> shape = (4, 1)
+        >>> mean = Tensor(np.array([5.0, 10.0]), mstype.float32)
         >>> poisson = ops.Poisson(seed=5)
         >>> output = poisson(shape, mean)
+        >>> result = output.shape
+        >>> print(result)
+        (4, 2)
     """
 
     @prim_attr_register
@@ -266,9 +269,9 @@ class UniformInt(PrimitiveWithInfer):
         >>> maxval = Tensor(5, mstype.int32)
         >>> uniform_int = ops.UniformInt(seed=10)
         >>> output = uniform_int(shape, minval, maxval)
-        >>> print(output)
-        [[4 2 1 3]
-         [4 3 4 5]]
+        >>> result = output.shape
+        >>> print(result)
+        (2, 4)
     """
 
     @prim_attr_register
@@ -319,9 +322,9 @@ class UniformReal(PrimitiveWithInfer):
         >>> shape = (2, 2)
         >>> uniformreal = ops.UniformReal(seed=2)
         >>> output = uniformreal(shape)
-        >>> print(output)
-        [[0.4359949 0.18508208]
-         [0.02592623 0.93154085]]
+        >>> result = output.shape
+        >>> print(result)
+        (2, 2)
     """
 
     @prim_attr_register
@@ -433,17 +436,9 @@ class RandomCategorical(PrimitiveWithInfer):
         >>> x = np.random.random((10, 5)).astype(np.float32)
         >>> net = Net(8)
         >>> output = net(Tensor(x))
-        >>> print(output)
-        [[0 2 0 3 4 2 0 2]
-         [0 2 1 3 4 2 0 2]
-         [0 2 0 3 4 2 0 2]
-         [0 2 1 3 4 2 0 2]
-         [0 2 1 3 4 2 0 2]
-         [0 2 1 3 4 2 0 2]
-         [0 2 0 3 4 2 0 2]
-         [0 2 0 3 4 2 0 2]
-         [0 2 1 3 4 3 0 3]
-         [0 2 1 3 4 2 0 2]]
+        >>> result = output.shape
+        >>> print(result)
+        (10, 8)
     """
 
     @prim_attr_register