Function length_safe

scripts/inv-rendering/mesh_utils.py:16–17

(x: torch.Tensor, eps: float = EPS)

def length_safe(x: torch.Tensor, eps: float = EPS) -> torch.Tensor:
    return torch.sqrt(torch.clamp(dot(x, x), min=eps*eps))  # Clamp to avoid NaN gradients because grad(sqrt(0)) = NaN.


def normalize_safe(x: torch.Tensor, eps: float = EPS) -> torch.Tensor: