2395ae7ddd3f2a473669359eb26e89f295f892d3,gpytorch/kernels/cosine_kernel.py,CosineKernel,forward,#CosineKernel#Any#Any#,98

Before Change

    def forward(self, x1, x2, **params):
        x1_ = x1.div(self.period_length)
        x2_ = x2.div(self.period_length)
        diff = self._covar_sq_dist(x1_, x2_, **params).sqrt_()
        res = torch.cos(diff.mul(math.pi))
        return res

After Change

    def forward(self, x1, x2, **params):
        x1_ = x1.div(self.period_length)
        x2_ = x2.div(self.period_length)
        x1_, x2_ = self._create_input_grid(x1_, x2_, **params)

        diff = torch.norm((x1_ - x2_).abs(), 2, -1)
        res = torch.cos(diff.mul(math.pi))
        return res

Instances