#ifndef _BGC_DUAL_NUMBER_H_
#define _BGC_DUAL_NUMBER_H_

// =================== Types ==================== //

typedef struct {
    float real, dual;
} BGC_FP32_DualNumber;

typedef struct {
    double real, dual;
} BGC_FP64_DualNumber;

// =================== Reset ==================== //

inline void bgc_fp32_dual_number_reset(BGC_FP32_DualNumber* number)
{
    number->real = 0.0f;
    number->dual = 0.0f;
}

inline void bgc_fp64_dual_number_reset(BGC_FP64_DualNumber* number)
{
    number->real = 0.0;
    number->dual = 0.0;
}

// ==================== Make ==================== //

inline void bgc_fp32_dual_number_make(BGC_FP32_DualNumber* number, const float real, const float dual)
{
    number->real = real;
    number->dual = dual;
}

inline void bgc_fp64_dual_number_make(BGC_FP64_DualNumber* number, const double real, const double dual)
{
    number->real = real;
    number->dual = dual;
}

// ==================== Copy ==================== //

inline void bgc_fp32_dual_number_copy(BGC_FP32_DualNumber* destination, const BGC_FP32_DualNumber* source)
{
    destination->real = source->real;
    destination->dual = source->dual;
}

inline void bgc_fp64_dual_number_copy(BGC_FP64_DualNumber* destination, const BGC_FP64_DualNumber* source)
{
    destination->real = source->real;
    destination->dual = source->dual;
}

// ==================== Swap ==================== //

inline void bgc_fp32_dual_number_swap(BGC_FP32_DualNumber* first, BGC_FP32_DualNumber* second)
{
    first->real = second->real;
    first->dual = second->dual;
}

inline void bgc_fp64_dual_number_swap(BGC_FP64_DualNumber* first, BGC_FP64_DualNumber* second)
{
    first->real = second->real;
    first->dual = second->dual;
}

#endif