1 files changed, 39 insertions, 0 deletions
diff --git a/mons_math/include/mons_math/mat2.h b/mons_math/include/mons_math/mat2.h
new file mode 100644
index 0000000..b1a8ca0
--- /dev/null
+++ b/mons_math/include/mons_math/mat2.h
@@ -0,0 +1,39 @@
+#ifndef MONS_MAT2_H
+#define MONS_MAT2_H
+
+#include "mons_math/vec2.h"
+
+typedef struct mons_mat2 {
+    mons_vec2 m1;
+    mons_vec2 m2;
+} mons_mat2;
+
+mons_mat2 mons_mat2_add(mons_mat2 a, mons_mat2 b);
+void mons_mat2_add_inplace(mons_mat2 *a, mons_mat2 b);
+
+mons_mat2 mons_mat2_mul_f(mons_mat2 a, float b);
+mons_mat2 mons_mat2_mul_i(mons_mat2 a, int b);
+mons_mat2 mons_mat2_mul(mons_mat2 a, mons_mat2 b);
+
+void mons_mat2_mul_f_inplace(mons_mat2 *a, float b);
+void mons_mat2_mul_i_inplace(mons_mat2 *a, int b);
+
+mons_mat2 mons_mat2_inverse(mons_mat2 a);
+void mons_mat2_inverse_inplace(mons_mat2 *a);
+
+mons_mat2 mons_mat2_transpose(mons_mat2 a);
+void mons_mat2_transpose_inplace(mons_mat2 *a);
+
+mons_vec2 mons_mat2_n1(mons_mat2 a);
+mons_vec2 mons_mat2_n2(mons_mat2 a);
+
+float mons_mat2_determinant(mons_mat2 a);
+mons_mat2 mons_mat2_adjoint(mons_mat2 a);
+mons_mat2 mons_mat2_inverse(mons_mat2 a);
+
+extern const mons_mat2 MONS_MAT2_ZERO;
+extern const mons_mat2 MONS_MAT2_IDENTITY;
+
+int mons_mat2_equal(mons_mat2 a, mons_mat2 b);
+
+#endif