[ 组合替代实现 ]torch.Tensor.sinc¶

torch.Tensor.sinc()

# PyTorch 写法
y = a.sinc()

# Paddle 写法
import numpy
y = paddle.where(a==0, x=paddle.to_tensor([1], dtype=a.dtype), y=paddle.sin(numpy.pi*a)/(numpy.pi*a))