1 files changed, 34 insertions, 0 deletions

diff --git a/include/common/matrix.h b/include/common/matrix.h
new file mode 100644
index 0000000..6c35cc0
--- /dev/null
+++ b/include/common/matrix.h
@@ -0,0 +1,34 @@
+#ifndef UPEM_MORPHING_MATRIX
+#define UPEM_MORPHING_MATRIX
+
+/**
+ * File: matrix.h
+ *
+ * See also:
+ *   The film
+ */
+
+#include "geom.h"
+
+/**
+ * Type: IntSquareMatrix
+ * Represents a square integer matrix.
+ */
+typedef struct {
+  IntVector *elements;
+  IntVector dim;
+} IntSquareMatrix;
+
+/**
+ * Function: matrix_int_det
+ * Computes and returns the determinant of a square integer matrix.
+ *
+ * Parameters:
+ *   *matrix - pointer to input matrix
+ *
+ * Returns:
+ *   The integer determinant
+ */
+IntVector matrix_int_det(IntSquareMatrix *matrix);
+
+#endif