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

Реорганизация методов для версоров и тангентов

Browse source
This commit is contained in:
Andrey Pokidov 2025-01-30 01:10:41 +07:00
parent 0027924f86
commit e39765b733
5 changed files with 147 additions and 247 deletions
Download patch file Download diff file Expand all files Collapse all files

34
basic-geometry/tangent.h
View file

@ -55,54 +55,40 @@ inline void bgc_tangent_reset_fp64(BgcTangentFP64* tangent)
// ==================== Set ===================== //
void _bgc_tangent_normalize_fp32(const float square_modulus, _BgcDarkTwinTangentFP32* twin);
void _bgc_tangent_normalize_fp64(const double square_modulus, _BgcDarkTwinTangentFP64* twin);
inline void bgc_tangent_set_values_fp32(const float x1, const float x2, BgcTangentFP32* tangent)
{
const float square_module = x1 * x1 + x2 * x2;
const float square_modulus = x1 * x1 + x2 * x2;
_BgcDarkTwinTangentFP32* twin = (_BgcDarkTwinTangentFP32*)tangent;
twin->cos = x1;
twin->sin = x2;
if (1.0f - BGC_TWO_EPSYLON_FP32 <= square_module && square_module <= 1.0f + BGC_TWO_EPSYLON_FP32) {
if (1.0f - BGC_TWO_EPSYLON_FP32 <= square_modulus && square_modulus <= 1.0f + BGC_TWO_EPSYLON_FP32) {
return;
}
if (square_module <= BGC_SQUARE_EPSYLON_FP32) {
twin->cos = 1.0f;
twin->sin = 0.0f;
return;
}
const float multiplier = sqrtf(1.0f / square_module);
twin->cos = x1 * multiplier;
twin->sin = x2 * multiplier;
_bgc_tangent_normalize_fp32(square_modulus, twin);
}
inline void bgc_tangent_set_values_fp64(const double x1, const double x2, BgcTangentFP64* tangent)
{
const double square_module = x1 * x1 + x2 * x2;
const double square_modulus = x1 * x1 + x2 * x2;
_BgcDarkTwinTangentFP64* twin = (_BgcDarkTwinTangentFP64*)tangent;
twin->cos = x1;
twin->sin = x2;
if (1.0 - BGC_TWO_EPSYLON_FP64 <= square_module && square_module <= 1.0 + BGC_TWO_EPSYLON_FP64) {
if (1.0 - BGC_TWO_EPSYLON_FP64 <= square_modulus && square_modulus <= 1.0 + BGC_TWO_EPSYLON_FP64) {
return;
}
if (square_module <= BGC_SQUARE_EPSYLON_FP64) {
twin->cos = 1.0;
twin->sin = 0.0;
return;
}
const double multiplier = sqrt(1.0 / square_module);
twin->cos = x1 * multiplier;
twin->sin = x2 * multiplier;
_bgc_tangent_normalize_fp64(square_modulus, twin);
}
// ==================== Copy ==================== //