diff options
Diffstat (limited to 'libdimension/dimension/geometry.h')
| -rw-r--r-- | libdimension/dimension/geometry.h | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/libdimension/dimension/geometry.h b/libdimension/dimension/geometry.h index 4effea8..95692c6 100644 --- a/libdimension/dimension/geometry.h +++ b/libdimension/dimension/geometry.h @@ -29,12 +29,7 @@ typedef struct { double x, y, z; } dmnsn_vector; -typedef struct { - double n00, n01, n02, n03, - n10, n11, n12, n13, - n20, n21, n22, n23, - n30, n31, n32, n33; -} dmnsn_matrix; +typedef struct { double n[4][4]; } dmnsn_matrix; /* A line, or ray. */ typedef struct { @@ -70,6 +65,7 @@ dmnsn_vector dmnsn_vector_cross(dmnsn_vector lhs, dmnsn_vector rhs); double dmnsn_vector_norm(dmnsn_vector n); dmnsn_vector dmnsn_vector_normalize(dmnsn_vector n); +dmnsn_matrix dmnsn_matrix_inverse(dmnsn_matrix A); dmnsn_matrix dmnsn_matrix_mul(dmnsn_matrix lhs, dmnsn_matrix rhs); dmnsn_vector dmnsn_matrix_vector_mul(dmnsn_matrix lhs, dmnsn_vector rhs); dmnsn_line dmnsn_matrix_line_mul(dmnsn_matrix lhs, dmnsn_line rhs); |