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This diff has been restricted to the following files: 'matrix.h'

#
# old_revision [65df00aa2705ce33fd74f4dd706d2879fe99b2b0]
# new_revision [4f22e7ef7d3064e3b51a5b868a4722f3f13c747b]
#
# add_file "matrix.h"
#  content [8a673aeabd2806fd044f0d9d14418d4c2d39ffac]
#
============================================================
--- /dev/null	
+++ matrix.h	8a673aeabd2806fd044f0d9d14418d4c2d39ffac
@@ -0,0 +1,19 @@
+/* matrix.h */
+
+/* dest[r][c] = m1[r][n] * m2[n][c] */
+void matrix_multiply(float *dest, float *m1, float *m2, int r, int c, int n);
+
+/* dest[r][c] = m1[r][n] * m2[c][n] */
+void matrix_multiply_t(float *dest, float *m1, float *m2, int r, int c, int n);
+
+/* dest[r][c] = m1[r][c] + m2[r][c] */
+void matrix_add(float *dest, float *m1, float *m2, int r, int c);
+
+#ifdef MATRIX_DEBUG
+void dump_matrix(float *m, int r, int c);
+#endif
+
+/* Invert src into dst.
+ * NOTE: destroys the src matrix
+ */
+void matrix_invert(float *dst, float *src, int size);