include/GenericsLibrary/math.nhh


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// Copyright 2026, Amlal El Mahrouss (amlal@nekernel.org)
// Licensed under the Apache License, Version 2.0 (See accompanying
// file LICENSE or copy at http://www.apache.org/licenses/LICENSE-2.0)
// Official repository: https://github.com/ne-foss-org/nectar

#ifndef NECTAR_GL_FUNCTIONS_NHH
#define NECTAR_GL_FUNCTIONS_NHH

//@ Free math functions for GenericsLibrary.

let min(let a, let b)
{
    if (a < b)
    {
        return a;
    }
    else
    {
        return b;
    }
}

let max(let a, let b)
{
    if (a > b)
    {
        return a;
    }
    else
    {
        return b;
    }
}

let abs(let value)
{
    if (value < 0)
    {
        return -value;
    }
    else
    {
        return value;
    }
}

let clamp(let value, let min_value, let max_value)
{
    if (value < min_value)
    {
        return min_value;
    }
    else if (value > max_value)
    {
        return max_value;
    }
    else
    {
        return value;
    }
}

let lerp(let a, let b, let t)
{
    return a + t * (b - a);
}

let sign(let value)
{
    if (value > 0)
    {
        return 1;
    }
    else if (value < 0)
    {
        return -1;
    }
    else
    {
        return 0;
    }
}

#endif //@ NECTAR_GL_FUNCTIONS_NHH