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/*
 *
 * This file is a part of NovaEngine
 * https://gitlab.com/MindSpunk/NovaEngine
 *
 *
 * MIT License
 *
 * Copyright (c) 2018 Nathan Voglsam
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

use num_traits::PrimInt;
use num_traits::Signed;
use num_traits::Unsigned;

use crate::traits::Real;

pub fn snorm_to_float<In: Signed + PrimInt, Out: Real>(input: In) -> Out {
    let max_val: Out = Out::from(In::max_value()).unwrap();
    let factor: Out = Out::one() / max_val;
    Out::from(input).unwrap() * factor
}

pub fn unorm_to_float<In: Unsigned + PrimInt, Out: Real>(input: In) -> Out {
    let max_val: Out = Out::from(In::max_value()).unwrap();
    Out::from(input).unwrap() / max_val
}