#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
Author: C0ffymachyne
License: GPLv3
Version: 1.0.0

Description:
    various conversion methods
"""

import torch


def db_to_lin(value: float) -> float:
    return 10 ** (value / 20)


def lin_to_tb(value: float) -> torch.Tensor:
    return 20 * torch.log10(torch.abs(value) + 1.0e-24)


def get_sign(value: float) -> torch.Tensor:
    sign = torch.sign(value)
    return sign