added matrix_mult.c file - matrix multiplication without fields and with use of amllo...
-rw-r--r-- 335 fehler.c
-rw-r--r-- 436 histo.c
-rw-r--r-- 175 layout.c
-rw-r--r-- 989 matrix.c
-rw-r--r-- 1508 matrix_mult.c