math.h

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/*
 * This file is part of the µOS++ project (https://micro-os-plus.github.io/).
 * Copyright (c) 2021-2026 Liviu Ionescu. All rights reserved.
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose is hereby granted, under the terms of the MIT license.
 *
 * If a copy of the license was not distributed with this file, it can be
 * obtained from https://opensource.org/licenses/mit.
 *
 * Major parts of the code are inspired from v1.1.8 of the Boost UT project,
 * released under the terms of the Boost Version 1.0 Software License,
 * which can be obtained from https://www.boost.org/LICENSE_1_0.txt.
 */
 
// ----------------------------------------------------------------------------

 
#ifndef MICRO_TEST_PLUS_MATH_H_
#define MICRO_TEST_PLUS_MATH_H_
 
// ----------------------------------------------------------------------------
 
#ifdef __cplusplus
 
// ----------------------------------------------------------------------------
 
#include <array>
 
// ----------------------------------------------------------------------------
 
#if defined(__GNUC__)
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wconversion"
#if defined(__clang__)
#pragma clang diagnostic ignored "-Wc++98-compat"
#pragma clang diagnostic ignored "-Wc++20-compat"
#endif
#endif
 
// ============================================================================
 
namespace micro_os_plus::micro_test_plus
{
  // --------------------------------------------------------------------------

  namespace math
  {
    template <class T>
    [[nodiscard]] constexpr auto
    abs (const T t) noexcept -> T;

    template <class T>
    [[nodiscard]] constexpr auto
    min_value (const T& lhs, const T& rhs) noexcept -> const T&;

    template <class T, class Exp_T>
    [[nodiscard]] constexpr auto
    pow (const T base, const Exp_T exp) noexcept -> T;

    template <class T, char... Cs>
    [[nodiscard]] consteval auto
    num (void) -> T;

    template <class T, char... Cs>
    [[nodiscard]] consteval auto
    den (void) -> T;

    template <class T, char... Cs>
    [[nodiscard]] consteval auto
    den_size (void) -> T;

    template <class T, class Value_T>
    [[nodiscard]] constexpr auto
    den_size (Value_T value) -> T;
 
    // ------------------------------------------------------------------------
  } // namespace math
 
  // --------------------------------------------------------------------------
} // namespace micro_os_plus::micro_test_plus
 
#if defined(__GNUC__)
#pragma GCC diagnostic pop
#endif
 
// ----------------------------------------------------------------------------
 
#endif // __cplusplus
 
// ============================================================================
// Templates & constexpr implementations.
 
#include "inlines/math-inlines.h"
 
// ----------------------------------------------------------------------------
 
#endif // MICRO_TEST_PLUS_MATH_H_
 
// ----------------------------------------------------------------------------