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Небольшие исправления, а также добавление гомогенного трёхмерного вектора

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This commit is contained in:
Andrey Pokidov 2026-02-02 20:44:10 +07:00
parent 03627f4401
commit 043cc72c81
25 changed files with 1686 additions and 1644 deletions
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72
basic-geometry/matrix3x3.c
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@ -85,31 +85,31 @@ int bgc_fp32_matrix3x3_get_inverse(BGC_FP32_Matrix3x3* inverse, const BGC_FP32_M
return 0;
}
const float r1c1 = matrix->r2c2 * matrix->r3c3 - matrix->r2c3 * matrix->r3c2;
const float r1c2 = matrix->r1c3 * matrix->r3c2 - matrix->r1c2 * matrix->r3c3;
const float r1c3 = matrix->r1c2 * matrix->r2c3 - matrix->r1c3 * matrix->r2c2;
const float row1_col1 = matrix->row2_col2 * matrix->row3_col3 - matrix->row2_col3 * matrix->row3_col2;
const float row1_col2 = matrix->row1_col3 * matrix->row3_col2 - matrix->row1_col2 * matrix->row3_col3;
const float row1_col3 = matrix->row1_col2 * matrix->row2_col3 - matrix->row1_col3 * matrix->row2_col2;
const float r2c1 = matrix->r2c3 * matrix->r3c1 - matrix->r2c1 * matrix->r3c3;
const float r2c2 = matrix->r1c1 * matrix->r3c3 - matrix->r1c3 * matrix->r3c1;
const float r2c3 = matrix->r1c3 * matrix->r2c1 - matrix->r1c1 * matrix->r2c3;
const float row2_col1 = matrix->row2_col3 * matrix->row3_col1 - matrix->row2_col1 * matrix->row3_col3;
const float row2_col2 = matrix->row1_col1 * matrix->row3_col3 - matrix->row1_col3 * matrix->row3_col1;
const float row2_col3 = matrix->row1_col3 * matrix->row2_col1 - matrix->row1_col1 * matrix->row2_col3;
const float r3c1 = matrix->r2c1 * matrix->r3c2 - matrix->r2c2 * matrix->r3c1;
const float r3c2 = matrix->r1c2 * matrix->r3c1 - matrix->r1c1 * matrix->r3c2;
const float r3c3 = matrix->r1c1 * matrix->r2c2 - matrix->r1c2 * matrix->r2c1;
const float row3_col1 = matrix->row2_col1 * matrix->row3_col2 - matrix->row2_col2 * matrix->row3_col1;
const float row3_col2 = matrix->row1_col2 * matrix->row3_col1 - matrix->row1_col1 * matrix->row3_col2;
const float row3_col3 = matrix->row1_col1 * matrix->row2_col2 - matrix->row1_col2 * matrix->row2_col1;
const float multiplier = 1.0f / determinant;
inverse->r1c1 = r1c1 * multiplier;
inverse->r1c2 = r1c2 * multiplier;
inverse->r1c3 = r1c3 * multiplier;
inverse->row1_col1 = row1_col1 * multiplier;
inverse->row1_col2 = row1_col2 * multiplier;
inverse->row1_col3 = row1_col3 * multiplier;
inverse->r2c1 = r2c1 * multiplier;
inverse->r2c2 = r2c2 * multiplier;
inverse->r2c3 = r2c3 * multiplier;
inverse->row2_col1 = row2_col1 * multiplier;
inverse->row2_col2 = row2_col2 * multiplier;
inverse->row2_col3 = row2_col3 * multiplier;
inverse->r3c1 = r3c1 * multiplier;
inverse->r3c2 = r3c2 * multiplier;
inverse->r3c3 = r3c3 * multiplier;
inverse->row3_col1 = row3_col1 * multiplier;
inverse->row3_col2 = row3_col2 * multiplier;
inverse->row3_col3 = row3_col3 * multiplier;
return 1;
}
@ -122,31 +122,31 @@ int bgc_fp64_matrix3x3_get_inverse(BGC_FP64_Matrix3x3* inverse, const BGC_FP64_M
return 0;
}
const double r1c1 = matrix->r2c2 * matrix->r3c3 - matrix->r2c3 * matrix->r3c2;
const double r1c2 = matrix->r1c3 * matrix->r3c2 - matrix->r1c2 * matrix->r3c3;
const double r1c3 = matrix->r1c2 * matrix->r2c3 - matrix->r1c3 * matrix->r2c2;
const double row1_col1 = matrix->row2_col2 * matrix->row3_col3 - matrix->row2_col3 * matrix->row3_col2;
const double row1_col2 = matrix->row1_col3 * matrix->row3_col2 - matrix->row1_col2 * matrix->row3_col3;
const double row1_col3 = matrix->row1_col2 * matrix->row2_col3 - matrix->row1_col3 * matrix->row2_col2;
const double r2c1 = matrix->r2c3 * matrix->r3c1 - matrix->r2c1 * matrix->r3c3;
const double r2c2 = matrix->r1c1 * matrix->r3c3 - matrix->r1c3 * matrix->r3c1;
const double r2c3 = matrix->r1c3 * matrix->r2c1 - matrix->r1c1 * matrix->r2c3;
const double row2_col1 = matrix->row2_col3 * matrix->row3_col1 - matrix->row2_col1 * matrix->row3_col3;
const double row2_col2 = matrix->row1_col1 * matrix->row3_col3 - matrix->row1_col3 * matrix->row3_col1;
const double row2_col3 = matrix->row1_col3 * matrix->row2_col1 - matrix->row1_col1 * matrix->row2_col3;
const double r3c1 = matrix->r2c1 * matrix->r3c2 - matrix->r2c2 * matrix->r3c1;
const double r3c2 = matrix->r1c2 * matrix->r3c1 - matrix->r1c1 * matrix->r3c2;
const double r3c3 = matrix->r1c1 * matrix->r2c2 - matrix->r1c2 * matrix->r2c1;
const double row3_col1 = matrix->row2_col1 * matrix->row3_col2 - matrix->row2_col2 * matrix->row3_col1;
const double row3_col2 = matrix->row1_col2 * matrix->row3_col1 - matrix->row1_col1 * matrix->row3_col2;
const double row3_col3 = matrix->row1_col1 * matrix->row2_col2 - matrix->row1_col2 * matrix->row2_col1;
const double multiplier = 1.0 / determinant;
inverse->r1c1 = r1c1 * multiplier;
inverse->r1c2 = r1c2 * multiplier;
inverse->r1c3 = r1c3 * multiplier;
inverse->row1_col1 = row1_col1 * multiplier;
inverse->row1_col2 = row1_col2 * multiplier;
inverse->row1_col3 = row1_col3 * multiplier;
inverse->r2c1 = r2c1 * multiplier;
inverse->r2c2 = r2c2 * multiplier;
inverse->r2c3 = r2c3 * multiplier;
inverse->row2_col1 = row2_col1 * multiplier;
inverse->row2_col2 = row2_col2 * multiplier;
inverse->row2_col3 = row2_col3 * multiplier;
inverse->r3c1 = r3c1 * multiplier;
inverse->r3c2 = r3c2 * multiplier;
inverse->r3c3 = r3c3 * multiplier;
inverse->row3_col1 = row3_col1 * multiplier;
inverse->row3_col2 = row3_col2 * multiplier;
inverse->row3_col3 = row3_col3 * multiplier;
return 1;
}