Kimelas/bgc-c
2
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Добавлены функции swap, shorten и exclude для версоров / Functions swap, shorten and exclude have been added for versors

Browse source
This commit is contained in:
Andrey Pokidov 2024-11-27 01:39:24 +07:00
parent 081f794eb1
commit 5d4472150b
3 changed files with 172 additions and 16 deletions
Download patch file Download diff file Expand all files Collapse all files

180
basic-geometry/versor.h
View file

@ -142,6 +142,52 @@ static inline void bg_fp64_versor_copy(const BgFP64Versor* from, BgFP64Versor* t
twin->x3 = from->x3;
}
// ==================== Swap ==================== //
static inline void bg_fp32_versor_swap(BgFP32Versor* versor1, BgFP32Versor* versor2)
{
const float s0 = versor1->s0;
const float x1 = versor1->x1;
const float x2 = versor1->x2;
const float x3 = versor1->x3;
__BgFP32DarkTwinVersor* twin1 = (__BgFP32DarkTwinVersor*)versor1;
twin1->s0 = versor2->s0;
twin1->x1 = versor2->x1;
twin1->x2 = versor2->x2;
twin1->x3 = versor2->x3;
__BgFP32DarkTwinVersor* twin2 = (__BgFP32DarkTwinVersor*)versor2;
twin2->s0 = s0;
twin2->x1 = x1;
twin2->x2 = x2;
twin2->x3 = x3;
}
static inline void bg_fp64_versor_swap(BgFP64Versor* versor1, BgFP64Versor* versor2)
{
const double s0 = versor1->s0;
const double x1 = versor1->x1;
const double x2 = versor1->x2;
const double x3 = versor1->x3;
__BgFP64DarkTwinVersor* twin1 = (__BgFP64DarkTwinVersor*)versor1;
twin1->s0 = versor2->s0;
twin1->x1 = versor2->x1;
twin1->x2 = versor2->x2;
twin1->x3 = versor2->x3;
__BgFP64DarkTwinVersor* twin2 = (__BgFP64DarkTwinVersor*)versor2;
twin2->s0 = s0;
twin2->x1 = x1;
twin2->x2 = x2;
twin2->x3 = x3;
}
// =============== Set Crude Turn =============== //
void bg_fp32_versor_set_crude_turn(const float x1, const float x2, const float x3, const float angle, const angle_unit_t unit, BgFP32Versor* result);
@ -232,6 +278,72 @@ static inline void bg_fp64_versor_set_from_fp32(const BgFP32Versor* versor, BgFP
);
}
// ================== Shorten =================== //
static inline void bg_fp32_versor_shorten(BgFP32Versor* versor)
{
if (versor->s0 >= 0.0f) {
return;
}
__BgFP32DarkTwinVersor* twin = (__BgFP32DarkTwinVersor*)versor;
twin->s0 = -versor->s0;
twin->x1 = -versor->x1;
twin->x2 = -versor->x2;
twin->x3 = -versor->x3;
}
static inline void bg_fp64_versor_shorten(BgFP64Versor* versor)
{
if (versor->s0 >= 0.0f) {
return;
}
__BgFP64DarkTwinVersor* twin = (__BgFP64DarkTwinVersor*)versor;
twin->s0 = -versor->s0;
twin->x1 = -versor->x1;
twin->x2 = -versor->x2;
twin->x3 = -versor->x3;
}
// ================== Shorten =================== //
static inline void bg_fp32_versor_set_shortened(const BgFP32Versor* versor, BgFP32Versor* shortened)
{
__BgFP32DarkTwinVersor* twin = (__BgFP32DarkTwinVersor*)shortened;
if (versor->s0 >= 0.0f) {
twin->x1 = versor->s0;
twin->x1 = versor->x1;
twin->x2 = versor->x2;
twin->x3 = versor->x3;
return;
}
twin->x1 = -versor->s0;
twin->x1 = -versor->x1;
twin->x2 = -versor->x2;
twin->x3 = -versor->x3;
}
static inline void bg_fp64_versor_set_shortened(const BgFP64Versor* versor, BgFP64Versor* shortened)
{
__BgFP64DarkTwinVersor* twin = (__BgFP64DarkTwinVersor*)shortened;
if (versor->s0 >= 0.0) {
twin->x1 = versor->s0;
twin->x1 = versor->x1;
twin->x2 = versor->x2;
twin->x3 = versor->x3;
return;
}
twin->x1 = -versor->s0;
twin->x1 = -versor->x1;
twin->x2 = -versor->x2;
twin->x3 = -versor->x3;
}
// ================= Inversion ================== //
static inline void bg_fp32_versor_invert(BgFP32Versor* versor)
@ -316,14 +428,6 @@ static inline void bg_fp32_versor_combine(const BgFP32Versor* second, const BgFP
return;
}
if (square_modulus <= BG_FP32_SQUARE_EPSYLON) {
twin->s0 = 1.0f;
twin->x1 = 0.0f;
twin->x2 = 0.0f;
twin->x3 = 0.0f;
return;
}
const float multiplier = sqrtf(1.0f / square_modulus);
twin->s0 *= multiplier;
@ -352,11 +456,61 @@ static inline void bg_fp64_versor_combine(const BgFP64Versor* second, const BgFP
return;
}
if (square_modulus <= BG_FP64_SQUARE_EPSYLON) {
twin->s0 = 1.0;
twin->x1 = 0.0;
twin->x2 = 0.0;
twin->x3 = 0.0;
const double multiplier = sqrt(1.0 / square_modulus);
twin->s0 *= multiplier;
twin->x1 *= multiplier;
twin->x2 *= multiplier;
twin->x3 *= multiplier;
}
// ================= Exclusion ================== //
static inline void bg_fp32_versor_exclude(const BgFP32Versor* basic, const BgFP32Versor* exclusion, BgFP32Versor* result)
{
const float s0 = (basic->s0 * exclusion->s0 + basic->x1 * exclusion->x1) + (basic->x2 * exclusion->x2 + basic->x3 * exclusion->x3);
const float x1 = (basic->x1 * exclusion->s0 - basic->s0 * exclusion->x1) + (basic->x3 * exclusion->x2 - basic->x2 * exclusion->x3);
const float x2 = (basic->x2 * exclusion->s0 - basic->s0 * exclusion->x2) + (basic->x1 * exclusion->x3 - basic->x3 * exclusion->x1);
const float x3 = (basic->x3 * exclusion->s0 - basic->s0 * exclusion->x3) + (basic->x2 * exclusion->x1 - basic->x1 * exclusion->x2);
const float square_modulus = (s0 * s0 + x1 * x1) + (x2 * x2 + x3 * x3);
__BgFP32DarkTwinVersor* twin = (__BgFP32DarkTwinVersor*)result;
twin->s0 = s0;
twin->x1 = x1;
twin->x2 = x2;
twin->x3 = x3;
if (1.0f - BG_FP32_TWO_EPSYLON <= square_modulus && square_modulus <= 1.0f + BG_FP32_TWO_EPSYLON) {
return;
}
const float multiplier = sqrtf(1.0f / square_modulus);
twin->s0 *= multiplier;
twin->x1 *= multiplier;
twin->x2 *= multiplier;
twin->x3 *= multiplier;
}
static inline void bg_fp64_versor_exclude(const BgFP64Versor* basic, const BgFP64Versor* exclusion, BgFP64Versor* result)
{
const double s0 = (basic->s0 * exclusion->s0 + basic->x1 * exclusion->x1) + (basic->x2 * exclusion->x2 + basic->x3 * exclusion->x3);
const double x1 = (basic->x1 * exclusion->s0 - basic->s0 * exclusion->x1) + (basic->x3 * exclusion->x2 - basic->x2 * exclusion->x3);
const double x2 = (basic->x2 * exclusion->s0 - basic->s0 * exclusion->x2) + (basic->x1 * exclusion->x3 - basic->x3 * exclusion->x1);
const double x3 = (basic->x3 * exclusion->s0 - basic->s0 * exclusion->x3) + (basic->x2 * exclusion->x1 - basic->x1 * exclusion->x2);
const double square_modulus = (s0 * s0 + x1 * x1) + (x2 * x2 + x3 * x3);
__BgFP64DarkTwinVersor* twin = (__BgFP64DarkTwinVersor*)result;
twin->s0 = s0;
twin->x1 = x1;
twin->x2 = x2;
twin->x3 = x3;
if (1.0 - BG_FP64_TWO_EPSYLON <= square_modulus && square_modulus <= 1.0 + BG_FP64_TWO_EPSYLON) {
return;
}