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/*
* Author: Sven Gothel <sgothel@jausoft.com>
* Copyright (c) 2024 Gothel Software e.K.
*
* 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.
*/
#ifndef JAU_MATH_HPP_
#define JAU_MATH_HPP_
#include <stdexcept>
#include <jau/int_math.hpp>
#include <jau/basic_types.hpp>
namespace jau::math {
/** @defgroup Math Math Support
* Math Support Functionality, e.g. linear algebra, meta group
*
* Further support is coming from
* - \ref Integer
* - \ref ConstantTime
* - \ref Floats
*
* @{
*/
/** Error types as specified by [C++ Math Error Handling](https://en.cppreference.com/w/cpp/numeric/math/math_errhandling) */
enum class math_error_t : uint16_t {
/** no math error */
none = 0,
/** See FE_INVALID, i.e. MathDomainError, std::domain_error : std::logic_error */
invalid,
/** See FE_DIVBYZERO, i.e. MathDivByZeroError, std::domain_error : std::logic_error*/
div_by_zero,
/** See FE_OVERFLOW, i.e. MathOverflowError, std::overflow_error : std::runtime_error */
overflow,
/** See FE_UNDERFLOW, i.e. MathUnderflowError, std::underflow_error : std::runtime_error */
underflow,
/** See FE_INEXACT, i.e. MathInexactError, std::runtime_error */
inexact,
/** undefined math error */
undefined = 1U << 15,
};
/** Returns std::string representation of math_error_t */
std::string to_string(const math_error_t v) noexcept;
class MathErrorBase : public ExceptionBase {
private:
math_error_t m_error;
protected:
MathErrorBase(math_error_t err, std::string const& m, const char* file, int line) noexcept
: ExceptionBase("MathError("+to_string(err)+")", m, file, line), m_error(err) {}
public:
math_error_t error() const noexcept;
};
class MathRuntimeErrorBase : public MathErrorBase {
protected:
MathRuntimeErrorBase(math_error_t err, std::string const& m, const char* file, int line) noexcept
: MathErrorBase(err, m, file, line) {}
};
class MathError : public MathErrorBase, public std::exception {
public:
MathError(math_error_t err, std::string const& m, const char* file, int line) noexcept
: MathErrorBase(err, m, file, line), exception() {}
const char* what() const noexcept override {
return whole_message().c_str();
}
};
/** math_error_t::inexact */
class MathInexactError : public MathRuntimeErrorBase, public std::runtime_error {
public:
MathInexactError(std::string const& m, const char* file, int line) noexcept
: MathRuntimeErrorBase(math_error_t::inexact, m, file, line), runtime_error(whole_message()) {}
const char* what() const noexcept override {
return whole_message().c_str();
}
};
/** math_error_t::overflow */
class MathOverflowError : public MathRuntimeErrorBase, public std::overflow_error {
public:
MathOverflowError(std::string const& m, const char* file, int line) noexcept
: MathRuntimeErrorBase(math_error_t::overflow, m, file, line), overflow_error(whole_message()) {}
const char* what() const noexcept override {
return whole_message().c_str();
}
};
/** math_error_t::underflow */
class MathUnderflowError : public MathRuntimeErrorBase, public std::underflow_error {
public:
MathUnderflowError(std::string const& m, const char* file, int line) noexcept
: MathRuntimeErrorBase(math_error_t::underflow, m, file, line), underflow_error(whole_message()) {}
const char* what() const noexcept override {
return whole_message().c_str();
}
};
/** math_error_t::invalid */
class MathDomainError : public MathErrorBase, public std::domain_error {
protected:
MathDomainError(math_error_t err, std::string const& m, const char* file, int line) noexcept
: MathErrorBase(err, m, file, line), domain_error(whole_message()) {}
public:
MathDomainError(std::string const& m, const char* file, int line) noexcept
: MathErrorBase(math_error_t::invalid, m, file, line), domain_error(whole_message()) {}
const char* what() const noexcept override {
return whole_message().c_str();
}
};
/** math_error_t::div_by_zero, i.e. pole error */
class MathDivByZeroError : public MathDomainError {
public:
MathDivByZeroError(std::string const& m, const char* file, int line) noexcept
: MathDomainError(math_error_t::div_by_zero, m, file, line) {}
};
/**@}*/
} // namespace jau
#endif // JAU_MATH_HPP_
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