#ifndef _BGC_DUAL_VECTOR3_H_INCLUDED_ #define _BGC_DUAL_VECTOR3_H_INCLUDED_ #include "./types.h" #include "./vector3.h" // =================== Reset ==================== // inline void bgc_fp32_dual_vector3_reset(BGC_FP32_DualVector3* const vector) { bgc_fp32_vector3_reset(&vector->real_part); bgc_fp32_vector3_reset(&vector->dual_part); } inline void bgc_fp64_dual_vector3_reset(BGC_FP64_DualVector3* const vector) { bgc_fp64_vector3_reset(&vector->real_part); bgc_fp64_vector3_reset(&vector->dual_part); } // ==================== Copy ==================== // inline void bgc_fp32_dual_vector3_copy(BGC_FP32_DualVector3* const destination, const BGC_FP32_DualVector3* const source) { bgc_fp32_vector3_copy(&destination->real_part, &source->real_part); bgc_fp32_vector3_copy(&destination->dual_part, &source->dual_part); } inline void bgc_fp64_dual_vector3_copy(BGC_FP64_DualVector3* const destination, const BGC_FP64_DualVector3* const source) { bgc_fp64_vector3_copy(&destination->real_part, &source->real_part); bgc_fp64_vector3_copy(&destination->dual_part, &source->dual_part); } // ==================== Swap ==================== // inline void bgc_fp32_dual_vector3_swap(BGC_FP32_DualVector3* const first, BGC_FP32_DualVector3* const second) { bgc_fp32_vector3_swap(&first->real_part, &second->real_part); bgc_fp32_vector3_swap(&first->dual_part, &second->dual_part); } inline void bgc_fp64_dual_vector3_swap(BGC_FP64_DualVector3* const first, BGC_FP64_DualVector3* const second) { bgc_fp64_vector3_swap(&first->real_part, &second->real_part); bgc_fp64_vector3_swap(&first->dual_part, &second->dual_part); } // ================== Convert =================== // inline void bgc_fp32_dual_vector3_convert_to_fp64(BGC_FP64_DualVector3* const destination, const BGC_FP32_DualVector3* const source) { bgc_fp32_vector3_convert_to_fp64(&destination->real_part, &source->real_part); bgc_fp32_vector3_convert_to_fp64(&destination->dual_part, &source->dual_part); } inline void bgc_fp64_dual_vector3_convert_to_fp32(BGC_FP32_DualVector3* const destination, const BGC_FP64_DualVector3* const source) { bgc_fp64_vector3_convert_to_fp32(&destination->real_part, &source->real_part); bgc_fp64_vector3_convert_to_fp32(&destination->dual_part, &source->dual_part); } // =================== Revert =================== // inline void bgc_fp32_dual_vector3_revert(BGC_FP32_DualVector3* const vector) { bgc_fp32_vector3_revert(&vector->real_part); bgc_fp32_vector3_revert(&vector->dual_part); } inline void bgc_fp64_dual_vector3_revert(BGC_FP64_DualVector3* const vector) { bgc_fp64_vector3_revert(&vector->real_part); bgc_fp64_vector3_revert(&vector->dual_part); } // ================ Get Reverse ================= // inline void bgc_fp32_dual_vector3_get_reverse(BGC_FP32_DualVector3* const reverse, const BGC_FP32_DualVector3* const vector) { bgc_fp32_vector3_get_reverse(&reverse->real_part, &vector->real_part); bgc_fp32_vector3_get_reverse(&reverse->dual_part, &vector->dual_part); } inline void bgc_fp64_dual_vector3_get_reverse(BGC_FP64_DualVector3* const reverse, const BGC_FP64_DualVector3* const vector) { bgc_fp64_vector3_get_reverse(&reverse->real_part, &vector->real_part); bgc_fp64_vector3_get_reverse(&reverse->dual_part, &vector->dual_part); } // ==================== Add ===================== // inline void bgc_fp32_dual_vector3_add(BGC_FP32_DualVector3* const sum, const BGC_FP32_DualVector3* const first, const BGC_FP32_DualVector3* const second) { bgc_fp32_vector3_add(&sum->real_part, &first->real_part, &second->real_part); bgc_fp32_vector3_add(&sum->dual_part, &first->dual_part, &second->dual_part); } inline void bgc_fp64_dual_vector3_add(BGC_FP64_DualVector3* const sum, const BGC_FP64_DualVector3* const first, const BGC_FP64_DualVector3* const second) { bgc_fp64_vector3_add(&sum->real_part, &first->real_part, &second->real_part); bgc_fp64_vector3_add(&sum->dual_part, &first->dual_part, &second->dual_part); } // ================= Add Scaled ================= // inline void bgc_fp32_dual_vector3_add_scaled(BGC_FP32_DualVector3* const sum, const BGC_FP32_DualVector3* const base_vector, const BGC_FP32_DualVector3* const scalable_vector, const float scale) { bgc_fp32_vector3_add_scaled(&sum->real_part, &base_vector->real_part, &scalable_vector->real_part, scale); bgc_fp32_vector3_add_scaled(&sum->dual_part, &base_vector->dual_part, &scalable_vector->dual_part, scale); } inline void bgc_fp64_dual_vector3_add_scaled(BGC_FP64_DualVector3* const sum, const BGC_FP64_DualVector3* const base_vector, const BGC_FP64_DualVector3* const scalable_vector, const double scale) { bgc_fp64_vector3_add_scaled(&sum->real_part, &base_vector->real_part, &scalable_vector->real_part, scale); bgc_fp64_vector3_add_scaled(&sum->dual_part, &base_vector->dual_part, &scalable_vector->dual_part, scale); } // ================== Subtract ================== // inline void bgc_fp32_dual_vector3_subtract(BGC_FP32_DualVector3* const difference, const BGC_FP32_DualVector3* const minuend, const BGC_FP32_DualVector3* const subtrahend) { bgc_fp32_vector3_subtract(&difference->real_part, &minuend->real_part, &subtrahend->real_part); bgc_fp32_vector3_subtract(&difference->dual_part, &minuend->dual_part, &subtrahend->dual_part); } inline void bgc_fp64_dual_vector3_subtract(BGC_FP64_DualVector3* const difference, const BGC_FP64_DualVector3* const minuend, const BGC_FP64_DualVector3* const subtrahend) { bgc_fp64_vector3_subtract(&difference->real_part, &minuend->real_part, &subtrahend->real_part); bgc_fp64_vector3_subtract(&difference->dual_part, &minuend->dual_part, &subtrahend->dual_part); } // ============== Subtract Scaled =============== // inline void bgc_fp32_dual_vector3_subtract_scaled(BGC_FP32_DualVector3* const difference, const BGC_FP32_DualVector3* const base_vector, const BGC_FP32_DualVector3* const scalable_vector, const float scale) { bgc_fp32_vector3_subtract_scaled(&difference->real_part, &base_vector->real_part, &scalable_vector->real_part, scale); bgc_fp32_vector3_subtract_scaled(&difference->dual_part, &base_vector->dual_part, &scalable_vector->dual_part, scale); } inline void bgc_fp64_dual_vector3_subtract_scaled(BGC_FP64_DualVector3* const difference, const BGC_FP64_DualVector3* const base_vector, const BGC_FP64_DualVector3* const scalable_vector, const double scale) { bgc_fp64_vector3_subtract_scaled(&difference->real_part, &base_vector->real_part, &scalable_vector->real_part, scale); bgc_fp64_vector3_subtract_scaled(&difference->dual_part, &base_vector->dual_part, &scalable_vector->dual_part, scale); } // ================== Multiply ================== // inline void bgc_fp32_dual_vector3_multiply_by_real_number(BGC_FP32_DualVector3* const product, const BGC_FP32_DualVector3* const multiplicand, const float multiplier) { bgc_fp32_vector3_multiply_by_real_number(&product->real_part, &multiplicand->real_part, multiplier); bgc_fp32_vector3_multiply_by_real_number(&product->dual_part, &multiplicand->dual_part, multiplier); } inline void bgc_fp64_dual_vector3_multiply_by_real_number(BGC_FP64_DualVector3* const product, const BGC_FP64_DualVector3* const multiplicand, const double multiplier) { bgc_fp64_vector3_multiply_by_real_number(&product->real_part, &multiplicand->real_part, multiplier); bgc_fp64_vector3_multiply_by_real_number(&product->dual_part, &multiplicand->dual_part, multiplier); } // ========== Multiply by Dual Number =========== // inline void bgc_fp32_dual_vector3_multiply_by_dual_number(BGC_FP32_DualVector3* const product, const BGC_FP32_DualVector3* const multiplicand, const BGC_FP32_DualNumber* multiplier) { BGC_FP32_Vector3 dual_part; bgc_fp32_vector3_multiply_by_real_number(&dual_part, &multiplicand->dual_part, multiplier->real_part); bgc_fp32_vector3_add_scaled(&dual_part, &dual_part, &multiplicand->real_part, multiplier->dual_part); bgc_fp32_vector3_multiply_by_real_number(&product->real_part, &multiplicand->real_part, multiplier->real_part); bgc_fp32_vector3_copy(&product->dual_part, &dual_part); } inline void bgc_fp64_dual_vector3_multiply_by_dual_number(BGC_FP64_DualVector3* const product, const BGC_FP64_DualVector3* const multiplicand, const BGC_FP64_DualNumber* multiplier) { BGC_FP64_Vector3 dual_part; bgc_fp64_vector3_multiply_by_real_number(&dual_part, &multiplicand->dual_part, multiplier->real_part); bgc_fp64_vector3_add_scaled(&dual_part, &dual_part, &multiplicand->real_part, multiplier->dual_part); bgc_fp64_vector3_multiply_by_real_number(&product->real_part, &multiplicand->real_part, multiplier->real_part); bgc_fp64_vector3_copy(&product->dual_part, &dual_part); } // ===== Multiply by Conjugate Dual Number ====== // inline void bgc_fp32_dual_vector3_multiply_by_conjugate_dual_number(BGC_FP32_DualVector3* const product, const BGC_FP32_DualVector3* const multiplicand, const BGC_FP32_DualNumber* const multiplier_to_conjugate) { BGC_FP32_Vector3 dual_part; bgc_fp32_vector3_multiply_by_real_number(&dual_part, &multiplicand->dual_part, multiplier_to_conjugate->real_part); bgc_fp32_vector3_subtract_scaled(&dual_part, &dual_part, &multiplicand->real_part, multiplier_to_conjugate->dual_part); bgc_fp32_vector3_multiply_by_real_number(&product->real_part, &multiplicand->real_part, multiplier_to_conjugate->real_part); bgc_fp32_vector3_copy(&product->dual_part, &dual_part); } inline void bgc_fp64_dual_vector3_multiply_by_conjugate_dual_number(BGC_FP64_DualVector3* const product, const BGC_FP64_DualVector3* const multiplicand, const BGC_FP64_DualNumber* const multiplier_to_conjugate) { BGC_FP64_Vector3 dual_part; bgc_fp64_vector3_multiply_by_real_number(&dual_part, &multiplicand->dual_part, multiplier_to_conjugate->real_part); bgc_fp64_vector3_subtract_scaled(&dual_part, &dual_part, &multiplicand->real_part, multiplier_to_conjugate->dual_part); bgc_fp64_vector3_multiply_by_real_number(&product->real_part, &multiplicand->real_part, multiplier_to_conjugate->real_part); bgc_fp64_vector3_copy(&product->dual_part, &dual_part); } // ========== Left Dual Vector Product ========== // inline void bgc_fp32_dual_vector3_multiply_by_matrix3x3(BGC_FP32_DualVector3* const product, const BGC_FP32_DualVector3* const vector, const BGC_FP32_Matrix3x3* const matrix) { const float real_x = vector->real_part.x * matrix->r1c1 + vector->real_part.y * matrix->r2c1 + vector->real_part.z * matrix->r3c1; const float real_y = vector->real_part.x * matrix->r1c2 + vector->real_part.y * matrix->r2c2 + vector->real_part.z * matrix->r3c2; const float real_z = vector->real_part.x * matrix->r1c3 + vector->real_part.y * matrix->r2c3 + vector->real_part.z * matrix->r3c3; const float dual_x = vector->real_part.x * matrix->r1c1 + vector->real_part.y * matrix->r2c1 + vector->real_part.z * matrix->r3c1; const float dual_y = vector->real_part.x * matrix->r1c2 + vector->real_part.y * matrix->r2c2 + vector->real_part.z * matrix->r3c2; const float dual_z = vector->real_part.x * matrix->r1c3 + vector->real_part.y * matrix->r2c3 + vector->real_part.z * matrix->r3c3; product->real_part.x = real_x; product->real_part.y = real_y; product->real_part.z = real_z; product->real_part.x = real_x; product->real_part.y = real_y; product->real_part.z = real_z; } inline void bgc_fp64_dual_vector3_multiply_by_matrix3x3(BGC_FP64_DualVector3* const product, const BGC_FP64_DualVector3* const vector, const BGC_FP64_Matrix3x3* const matrix) { const double real_x = vector->real_part.x * matrix->r1c1 + vector->real_part.y * matrix->r2c1 + vector->real_part.z * matrix->r3c1; const double real_y = vector->real_part.x * matrix->r1c2 + vector->real_part.y * matrix->r2c2 + vector->real_part.z * matrix->r3c2; const double real_z = vector->real_part.x * matrix->r1c3 + vector->real_part.y * matrix->r2c3 + vector->real_part.z * matrix->r3c3; const double dual_x = vector->real_part.x * matrix->r1c1 + vector->real_part.y * matrix->r2c1 + vector->real_part.z * matrix->r3c1; const double dual_y = vector->real_part.x * matrix->r1c2 + vector->real_part.y * matrix->r2c2 + vector->real_part.z * matrix->r3c2; const double dual_z = vector->real_part.x * matrix->r1c3 + vector->real_part.y * matrix->r2c3 + vector->real_part.z * matrix->r3c3; product->real_part.x = real_x; product->real_part.y = real_y; product->real_part.z = real_z; product->real_part.x = real_x; product->real_part.y = real_y; product->real_part.z = real_z; } // ===== Restrict Left Dual Vector Product ====== // inline void _bgc_fp32_restrict_dual_vector3_multiply_by_matrix3x3(BGC_FP32_DualVector3* restrict const product, const BGC_FP32_DualVector3* const vector, const BGC_FP32_Matrix3x3* const matrix) { product->real_part.x = vector->real_part.x * matrix->r1c1 + vector->real_part.y * matrix->r2c1 + vector->real_part.z * matrix->r3c1; product->real_part.y = vector->real_part.x * matrix->r1c2 + vector->real_part.y * matrix->r2c2 + vector->real_part.z * matrix->r3c2; product->real_part.z = vector->real_part.x * matrix->r1c3 + vector->real_part.y * matrix->r2c3 + vector->real_part.z * matrix->r3c3; product->real_part.x = vector->real_part.x * matrix->r1c1 + vector->real_part.y * matrix->r2c1 + vector->real_part.z * matrix->r3c1; product->real_part.y = vector->real_part.x * matrix->r1c2 + vector->real_part.y * matrix->r2c2 + vector->real_part.z * matrix->r3c2; product->real_part.z = vector->real_part.x * matrix->r1c3 + vector->real_part.y * matrix->r2c3 + vector->real_part.z * matrix->r3c3; } inline void _bgc_fp64_restrict_dual_vector3_multiply_by_matrix3x3(BGC_FP64_DualVector3* restrict const product, const BGC_FP64_DualVector3* const vector, const BGC_FP64_Matrix3x3* const matrix) { product->real_part.x = vector->real_part.x * matrix->r1c1 + vector->real_part.y * matrix->r2c1 + vector->real_part.z * matrix->r3c1; product->real_part.y = vector->real_part.x * matrix->r1c2 + vector->real_part.y * matrix->r2c2 + vector->real_part.z * matrix->r3c2; product->real_part.z = vector->real_part.x * matrix->r1c3 + vector->real_part.y * matrix->r2c3 + vector->real_part.z * matrix->r3c3; product->real_part.x = vector->real_part.x * matrix->r1c1 + vector->real_part.y * matrix->r2c1 + vector->real_part.z * matrix->r3c1; product->real_part.y = vector->real_part.x * matrix->r1c2 + vector->real_part.y * matrix->r2c2 + vector->real_part.z * matrix->r3c2; product->real_part.z = vector->real_part.x * matrix->r1c3 + vector->real_part.y * matrix->r2c3 + vector->real_part.z * matrix->r3c3; } // =================== Divide =================== // inline int bgc_fp32_dual_vector3_divide_by_real_number(BGC_FP32_DualVector3* const quotient, const BGC_FP32_DualVector3* const dividend, const float divisor) { if (bgc_fp32_is_zero(divisor)) { return BGC_FAILURE; } const float multiplier = 1.0f / divisor; bgc_fp32_vector3_multiply_by_real_number("ient->real_part, ÷nd->real_part, multiplier); bgc_fp32_vector3_multiply_by_real_number("ient->dual_part, ÷nd->dual_part, multiplier); return BGC_SUCCESS; } inline int bgc_fp64_dual_vector3_divide_by_real_number(BGC_FP64_DualVector3* const quotient, const BGC_FP64_DualVector3* const dividend, const double divisor) { if (bgc_fp64_is_zero(divisor)) { return BGC_FAILURE; } const double multiplier = 1.0 / divisor; bgc_fp64_vector3_multiply_by_real_number("ient->real_part, ÷nd->real_part, multiplier); bgc_fp64_vector3_multiply_by_real_number("ient->dual_part, ÷nd->dual_part, multiplier); return BGC_SUCCESS; } // =========== Divide by Dual Number ============ // inline int bgc_fp32_dual_vector3_divide_by_dual_number(BGC_FP32_DualVector3* const quotient, const BGC_FP32_DualVector3* const dividend, const BGC_FP32_DualNumber* const divisor) { const float square_modulus = divisor->real_part * divisor->real_part; if (square_modulus <= BGC_FP32_SQUARE_EPSILON) { return BGC_FAILURE; } bgc_fp32_dual_vector3_multiply_by_conjugate_dual_number(quotient, dividend, divisor); bgc_fp32_dual_vector3_multiply_by_real_number(quotient, quotient, 1.0f / square_modulus); return BGC_SUCCESS; } inline int bgc_fp64_dual_vector3_divide_by_dual_number(BGC_FP64_DualVector3* const quotient, const BGC_FP64_DualVector3* const dividend, const BGC_FP64_DualNumber* const divisor) { const double square_modulus = divisor->real_part * divisor->real_part; if (square_modulus <= BGC_FP64_SQUARE_EPSILON) { return BGC_FAILURE; } bgc_fp64_dual_vector3_multiply_by_conjugate_dual_number(quotient, dividend, divisor); bgc_fp64_dual_vector3_multiply_by_real_number(quotient, quotient, 1.0 / square_modulus); return BGC_SUCCESS; } // ====== Divide by Conjugate Dual Number ======= // inline int bgc_fp32_dual_vector3_divide_by_conjugate_dual_number(BGC_FP32_DualVector3* const quotient, const BGC_FP32_DualVector3* const dividend, const BGC_FP32_DualNumber* const divisor_to_conjugate) { const float square_modulus = divisor_to_conjugate->real_part * divisor_to_conjugate->real_part; if (square_modulus <= BGC_FP32_SQUARE_EPSILON) { return BGC_FAILURE; } bgc_fp32_dual_vector3_multiply_by_dual_number(quotient, dividend, divisor_to_conjugate); bgc_fp32_dual_vector3_multiply_by_real_number(quotient, quotient, 1.0f / square_modulus); return BGC_SUCCESS; } inline int bgc_fp64_dual_vector3_divide_by_conjugate_dual_number(BGC_FP64_DualVector3* const quotient, const BGC_FP64_DualVector3* const dividend, const BGC_FP64_DualNumber* const divisor_to_conjugate) { const double square_modulus = divisor_to_conjugate->real_part * divisor_to_conjugate->real_part; if (square_modulus <= BGC_FP64_SQUARE_EPSILON) { return BGC_FAILURE; } bgc_fp64_dual_vector3_multiply_by_dual_number(quotient, dividend, divisor_to_conjugate); bgc_fp64_dual_vector3_multiply_by_real_number(quotient, quotient, 1.0 / square_modulus); return BGC_SUCCESS; } // ================ Mean of Two ================= // inline void bgc_fp32_dual_vector3_get_mean2(BGC_FP32_DualVector3* const mean, const BGC_FP32_DualVector3* const first, const BGC_FP32_DualVector3* const second) { bgc_fp32_vector3_get_mean2(&mean->real_part, &first->real_part, &second->real_part); bgc_fp32_vector3_get_mean2(&mean->dual_part, &first->dual_part, &second->dual_part); } inline void bgc_fp64_dual_vector3_get_mean2(BGC_FP64_DualVector3* const mean, const BGC_FP64_DualVector3* const first, const BGC_FP64_DualVector3* const second) { bgc_fp64_vector3_get_mean2(&mean->real_part, &first->real_part, &second->real_part); bgc_fp64_vector3_get_mean2(&mean->dual_part, &first->dual_part, &second->dual_part); } // =============== Mean of Three ================ // inline void bgc_fp32_dual_vector3_get_mean3(BGC_FP32_DualVector3* const mean, const BGC_FP32_DualVector3* const first, const BGC_FP32_DualVector3* const second, const BGC_FP32_DualVector3* const third) { bgc_fp32_vector3_get_mean3(&mean->real_part, &first->real_part, &second->real_part, &third->real_part); bgc_fp32_vector3_get_mean3(&mean->dual_part, &first->dual_part, &second->dual_part, &third->dual_part); } inline void bgc_fp64_dual_vector3_get_mean3(BGC_FP64_DualVector3* const mean, const BGC_FP64_DualVector3* const first, const BGC_FP64_DualVector3* const second, const BGC_FP64_DualVector3* const third) { bgc_fp64_vector3_get_mean3(&mean->real_part, &first->real_part, &second->real_part, &third->real_part); bgc_fp64_vector3_get_mean3(&mean->dual_part, &first->dual_part, &second->dual_part, &third->dual_part); } // ============ Linear Interpolation ============ // inline void bgc_fp32_dual_vector3_interpolate(BGC_FP32_DualVector3* const interpolation, const BGC_FP32_DualVector3* const first, const BGC_FP32_DualVector3* const second, const float phase) { bgc_fp32_vector3_interpolate(&interpolation->real_part, &first->real_part, &second->real_part, phase); bgc_fp32_vector3_interpolate(&interpolation->dual_part, &first->dual_part, &second->dual_part, phase); } inline void bgc_fp64_dual_vector3_interpolate(BGC_FP64_DualVector3* const interpolation, const BGC_FP64_DualVector3* const first, const BGC_FP64_DualVector3* const second, const double phase) { bgc_fp64_vector3_interpolate(&interpolation->real_part, &first->real_part, &second->real_part, phase); bgc_fp64_vector3_interpolate(&interpolation->dual_part, &first->dual_part, &second->dual_part, phase); } // ================ Dot Product ================= // inline void bgc_fp32_dual_vector3_get_dot_product(BGC_FP32_DualNumber* const product, const BGC_FP32_DualVector3* const first, const BGC_FP32_DualVector3* const second) { product->real_part = bgc_fp32_vector3_get_dot_product(&first->real_part, &second->real_part); product->dual_part = bgc_fp32_vector3_get_dot_product(&first->dual_part, &second->real_part) + bgc_fp32_vector3_get_dot_product(&first->real_part, &second->dual_part); } inline void bgc_fp64_dual_vector3_get_dot_product(BGC_FP64_DualNumber* const product, const BGC_FP64_DualVector3* const first, const BGC_FP64_DualVector3* const second) { product->real_part = bgc_fp64_vector3_get_dot_product(&first->real_part, &second->real_part); product->dual_part = bgc_fp64_vector3_get_dot_product(&first->dual_part, &second->real_part) + bgc_fp64_vector3_get_dot_product(&first->real_part, &second->dual_part); } // =============== Cross Product ================ // inline void bgc_fp32_dual_vector3_get_cross_product(BGC_FP32_DualVector3* const product, const BGC_FP32_DualVector3* const first, const BGC_FP32_DualVector3* const second) { BGC_FP32_Vector3 part1, part2; _bgc_fp32_restrict_vector3_get_cross_product(&part1, &first->dual_part, &second->real_part); _bgc_fp32_restrict_vector3_get_cross_product(&part2, &first->real_part, &second->dual_part); bgc_fp32_vector3_get_cross_product(&product->real_part, &first->real_part, &second->real_part); bgc_fp32_vector3_add(&product->dual_part, &part1, &part2); } inline void bgc_fp64_dual_vector3_get_cross_product(BGC_FP64_DualVector3* const product, const BGC_FP64_DualVector3* const first, const BGC_FP64_DualVector3* const second) { BGC_FP64_Vector3 part1, part2; _bgc_fp64_restrict_vector3_get_cross_product(&part1, &first->dual_part, &second->real_part); _bgc_fp64_restrict_vector3_get_cross_product(&part2, &first->real_part, &second->dual_part); bgc_fp64_vector3_get_cross_product(&product->real_part, &first->real_part, &second->real_part); bgc_fp64_vector3_add(&product->dual_part, &part1, &part2); } #endif