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Исправление опечатки

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This commit is contained in:
Andrey Pokidov 2025-06-05 02:05:52 +07:00
parent 880673a17a
commit 0dcd9c0d4d
2 changed files with 26 additions and 10 deletions
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16
basic-geometry/matrix3x3.h
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@ -280,6 +280,22 @@ inline int bgc_matrix3x3_is_rotation_fp32(const BgcMatrix3x3FP32* matrix)
return 0;
}
BgcMatrix3x3FP32 transposed, product;
bgc_matrix3x3_transpose_fp32(matrix, &transposed);
bgc_matrix_product_3x3_at_3x3_fp32(matrix, &transposed, &product);
return bgc_is_unit_fp32(product.r1c1) && bgc_is_zero_fp32(product.r1c2) && bgc_is_zero_fp32(product.r1c3)
&& bgc_is_zero_fp32(product.r2c1) && bgc_is_unit_fp32(product.r2c2) && bgc_is_zero_fp32(product.r2c3)
&& bgc_is_zero_fp32(product.r3c1) && bgc_is_zero_fp32(product.r3c2) && bgc_is_unit_fp32(product.r3c3);
}
inline int bgc_matrix3x3_is_rotation_fp32a(const BgcMatrix3x3FP32* matrix)
{
if (!bgc_is_unit_fp32(bgc_matrix3x3_get_determinant_fp32(matrix))) {
return 0;
}
const float product_r1c1 = matrix->r1c1 * matrix->r1c1 + matrix->r1c2 * matrix->r2c1 + matrix->r1c3 * matrix->r3c1;
const float product_r1c2 = matrix->r1c1 * matrix->r1c2 + matrix->r1c2 * matrix->r2c2 + matrix->r1c3 * matrix->r3c2;
const float product_r1c3 = matrix->r1c1 * matrix->r1c3 + matrix->r1c2 * matrix->r2c3 + matrix->r1c3 * matrix->r3c3;

20
basic-geometry/slerp.c
View file

@ -40,17 +40,17 @@ void bgc_slerp_make_fp32(const BgcVersorFP32* start, const BgcVersorFP32* augmen
slerp->radians = atan2f(vector_modulus, augment->s0);
const float mutliplier = 1.0f / vector_modulus;
const float multiplier = 1.0f / vector_modulus;
slerp->s0_cos_weight = start->s0;
slerp->x1_cos_weight = start->x1;
slerp->x2_cos_weight = start->x2;
slerp->x3_cos_weight = start->x3;
slerp->s0_sin_weight = -mutliplier * (augment->x1 * start->x1 + augment->x2 * start->x2 + augment->x3 * start->x3);
slerp->x1_sin_weight = mutliplier * (augment->x1 * start->s0 + augment->x2 * start->x3 - augment->x3 * start->x2);
slerp->x2_sin_weight = mutliplier * (augment->x2 * start->s0 - augment->x1 * start->x3 + augment->x3 * start->x1);
slerp->x3_sin_weight = mutliplier * (augment->x3 * start->s0 - augment->x2 * start->x1 + augment->x1 * start->x2);
slerp->s0_sin_weight = -multiplier * (augment->x1 * start->x1 + augment->x2 * start->x2 + augment->x3 * start->x3);
slerp->x1_sin_weight = multiplier * (augment->x1 * start->s0 + augment->x2 * start->x3 - augment->x3 * start->x2);
slerp->x2_sin_weight = multiplier * (augment->x2 * start->s0 - augment->x1 * start->x3 + augment->x3 * start->x1);
slerp->x3_sin_weight = multiplier * (augment->x3 * start->s0 - augment->x2 * start->x1 + augment->x1 * start->x2);
}
void bgc_slerp_make_fp64(const BgcVersorFP64* start, const BgcVersorFP64* augment, BgcSlerpFP64* slerp)
@ -81,15 +81,15 @@ void bgc_slerp_make_fp64(const BgcVersorFP64* start, const BgcVersorFP64* augmen
slerp->radians = atan2(vector_modulus, augment->s0);
const double mutliplier = 1.0 / vector_modulus;
const double multiplier = 1.0 / vector_modulus;
slerp->s0_cos_weight = start->s0;
slerp->x1_cos_weight = start->x1;
slerp->x2_cos_weight = start->x2;
slerp->x3_cos_weight = start->x3;
slerp->s0_sin_weight = -mutliplier * (augment->x1 * start->x1 + augment->x2 * start->x2 + augment->x3 * start->x3);
slerp->x1_sin_weight = mutliplier * (augment->x1 * start->s0 + augment->x2 * start->x3 - augment->x3 * start->x2);
slerp->x2_sin_weight = mutliplier * (augment->x2 * start->s0 - augment->x1 * start->x3 + augment->x3 * start->x1);
slerp->x3_sin_weight = mutliplier * (augment->x3 * start->s0 - augment->x2 * start->x1 + augment->x1 * start->x2);
slerp->s0_sin_weight = -multiplier * (augment->x1 * start->x1 + augment->x2 * start->x2 + augment->x3 * start->x3);
slerp->x1_sin_weight = multiplier * (augment->x1 * start->s0 + augment->x2 * start->x3 - augment->x3 * start->x2);
slerp->x2_sin_weight = multiplier * (augment->x2 * start->s0 - augment->x1 * start->x3 + augment->x3 * start->x1);
slerp->x3_sin_weight = multiplier * (augment->x3 * start->s0 - augment->x2 * start->x1 + augment->x1 * start->x2);
}