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Нормализация унитарных дуальных кватернионов

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This commit is contained in:
Andrey Pokidov 2026-03-16 20:12:09 +07:00
parent a5a59f72f5
commit 7591b20f41
6 changed files with 78 additions and 12 deletions
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40
basic-geometry/quaternion.h
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@ -330,6 +330,42 @@ inline void bgc_fp64_quaternion_multiply_by_conjugate(BGC_FP64_Quaternion* produ
product->x3 = x3;
}
// ====== Restrict Multiply By Quaternion ======= //
inline void _bgc_fp32_restrict_quaternion_multiply_by_quaternion(BGC_FP32_Quaternion* restrict product, const BGC_FP32_Quaternion* left, const BGC_FP32_Quaternion* right)
{
product->s0 = (left->s0 * right->s0 - left->x1 * right->x1) - (left->x2 * right->x2 + left->x3 * right->x3);
product->x1 = (left->x1 * right->s0 + left->s0 * right->x1) - (left->x3 * right->x2 - left->x2 * right->x3);
product->x2 = (left->x2 * right->s0 + left->s0 * right->x2) - (left->x1 * right->x3 - left->x3 * right->x1);
product->x3 = (left->x3 * right->s0 + left->s0 * right->x3) - (left->x2 * right->x1 - left->x1 * right->x2);
}
inline void _bgc_fp64_restrict_quaternion_multiply_by_quaternion(BGC_FP64_Quaternion* restrict product, const BGC_FP64_Quaternion* left, const BGC_FP64_Quaternion* right)
{
product->s0 = (left->s0 * right->s0 - left->x1 * right->x1) - (left->x2 * right->x2 + left->x3 * right->x3);
product->x1 = (left->x1 * right->s0 + left->s0 * right->x1) - (left->x3 * right->x2 - left->x2 * right->x3);
product->x2 = (left->x2 * right->s0 + left->s0 * right->x2) - (left->x1 * right->x3 - left->x3 * right->x1);
product->x3 = (left->x3 * right->s0 + left->s0 * right->x3) - (left->x2 * right->x1 - left->x1 * right->x2);
}
// = Restrict Multiply By Conjugate Quaternion == //
inline void _bgc_fp32_restrict_quaternion_multiply_by_conjugate(BGC_FP32_Quaternion* restrict product, const BGC_FP32_Quaternion* left, const BGC_FP32_Quaternion* right)
{
product->s0 = (left->s0 * right->s0 + left->x1 * right->x1) + (left->x2 * right->x2 + left->x3 * right->x3);
product->x1 = (left->x1 * right->s0 + left->x3 * right->x2) - (left->s0 * right->x1 + left->x2 * right->x3);
product->x2 = (left->x2 * right->s0 + left->x1 * right->x3) - (left->s0 * right->x2 + left->x3 * right->x1);
product->x3 = (left->x3 * right->s0 + left->x2 * right->x1) - (left->s0 * right->x3 + left->x1 * right->x2);
}
inline void _bgc_fp64_restrict_quaternion_multiply_by_conjugate(BGC_FP64_Quaternion* restrict product, const BGC_FP64_Quaternion* left, const BGC_FP64_Quaternion* right)
{
product->s0 = (left->s0 * right->s0 + left->x1 * right->x1) + (left->x2 * right->x2 + left->x3 * right->x3);
product->x1 = (left->x1 * right->s0 + left->x3 * right->x2) - (left->s0 * right->x1 + left->x2 * right->x3);
product->x2 = (left->x2 * right->s0 + left->x1 * right->x3) - (left->s0 * right->x2 + left->x3 * right->x1);
product->x3 = (left->x3 * right->s0 + left->x2 * right->x1) - (left->s0 * right->x3 + left->x1 * right->x2);
}
// ========== Multiply By Dual Number =========== //
inline void bgc_fp32_quaternion_multiply_by_dual_number(BGC_FP32_DualQuaternion* product, const BGC_FP32_Quaternion* multiplicand, const BGC_FP32_DualNumber* multiplier)
@ -504,12 +540,12 @@ inline void bgc_fp64_quaternion_interpolate(BGC_FP64_Quaternion* interpolation,
inline float bgc_fp32_quaternion_get_dot_product(const BGC_FP32_Quaternion* quaternion1, const BGC_FP32_Quaternion* quaternion2)
{
return (quaternion1->s0 * quaternion2->s0 + quaternion1->x1 * quaternion2->x1) + (quaternion1->x2 * quaternion2->x2 + quaternion1->x3 * quaternion2->x3)
return (quaternion1->s0 * quaternion2->s0 + quaternion1->x1 * quaternion2->x1) + (quaternion1->x2 * quaternion2->x2 + quaternion1->x3 * quaternion2->x3);
}
inline double bgc_fp64_quaternion_get_dot_product(const BGC_FP64_Quaternion* quaternion1, const BGC_FP64_Quaternion* quaternion2)
{
return (quaternion1->s0 * quaternion2->s0 + quaternion1->x1 * quaternion2->x1) + (quaternion1->x2 * quaternion2->x2 + quaternion1->x3 * quaternion2->x3)
return (quaternion1->s0 * quaternion2->s0 + quaternion1->x1 * quaternion2->x1) + (quaternion1->x2 * quaternion2->x2 + quaternion1->x3 * quaternion2->x3);
}
// ================= Conjugate ================== //