bgc-c/basic-geometry/dual-number.h

70 lines
1.7 KiB
C

#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