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lines changed Original file line number Diff line number Diff line change @@ -228,6 +228,7 @@ paddle.scatter_nd .. _api_paddle_scatter_nd:
228228paddle.scatter_nd_add .. _api_paddle_scatter_nd_add:
229229paddle.shard_index .. _api_paddle_shard_index:
230230paddle.sign .. _api_paddle_sign:
231+ paddle.sgn .. _api_paddle_sgn:
231232paddle.sin .. _api_paddle_sin:
232233paddle.sinh .. _api_paddle_sinh:
233234paddle.slice .. _api_paddle_slice:
Original file line number Diff line number Diff line change @@ -107,6 +107,7 @@ tensor 数学操作
107107 " :ref: `paddle.rsqrt <cn_api_fluid_layers_rsqrt >` ", "rsqrt 激活函数"
108108 " :ref: `paddle.scale <cn_api_fluid_layers_scale >` ", "缩放算子"
109109 " :ref: `paddle.sign <cn_api_tensor_sign >` ", "对输入 x 中每个元素进行正负判断"
110+ " :ref: `paddle.sgn <cn_api_tensor_sgn >` ", "对输入 x 中每个元素进行正负判断,对于复数则输出单位向量"
110111 " :ref: `paddle.sin <cn_api_fluid_layers_sin >` ", "计算输入的正弦值"
111112 " :ref: `paddle.sinh <cn_api_fluid_layers_sinh >` ", "双曲正弦函数"
112113 " :ref: `paddle.sqrt <cn_api_fluid_layers_sqrt >` ", "计算输入的算数平方根"
Original file line number Diff line number Diff line change @@ -227,6 +227,7 @@ Methods
227227 set_value
228228 shard_index
229229 sign
230+ sgn
230231 sin
231232 sinh
232233 slice
Original file line number Diff line number Diff line change @@ -1972,6 +1972,15 @@ sign(name=None)
19721972
19731973请参考 :ref: `cn_api_tensor_sign `
19741974
1975+ sgn(name=None)
1976+ :::::::::
1977+
1978+ 返回:计算后的 Tensor
1979+
1980+ 返回类型:Tensor
1981+
1982+ 请参考 :ref: `cn_api_tensor_sgn `
1983+
19751984sin(name=None)
19761985:::::::::
19771986
Original file line number Diff line number Diff line change 1+ .. _cn_api_tensor_sgn :
2+
3+ sgn
4+ -------------------------------
5+
6+ .. py :function :: paddle.sgn(x, name = None )
7+
8+ 对于复数张量,此函数返回一个新的张量,其元素与 input 元素的角度相同且绝对值为 1。
9+
10+ 对于实数张量,对输入参数 ``x `` 中每个元素进行正负判断,并且输出正负判断值:1 代表正,-1 代表负,0 代表零。
11+
12+ 参数
13+ ::::::::::::
14+ - **x ** (Tensor) – 输入 Tensor,数据类型为 float16、float32、float64、complex64 或 complex128。
15+ - **name ** (str,可选) - 具体用法请参见 :ref: `api_guide_Name `,一般无需设置,默认值为 None。
16+
17+ 返回
18+ ::::::::::::
19+ Tensor,输出正负号或复数的单位向量,数据的 shape 大小及数据类型和输入 ``x `` 一致。
20+
21+
22+ 代码示例
23+ ::::::::::::
24+
25+ COPY-FROM: paddle.sgn
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