--- ray/src/px/mx3.h	1995/10/11 10:39:27	2.1
+++ ray/src/px/mx3.h	2004/03/28 20:33:14	2.6
@@ -1,34 +1,40 @@
-/* Copyright (c) 1995 Regents of the University of California */
+/* RCSid: $Id: mx3.h,v 2.6 2004/03/28 20:33:14 schorsch Exp $ */
+#ifndef _RAD_MX3_H_
+#define _RAD_MX3_H_
 
-/* SCCSid "$SunId$ LBL" */
+#include <string.h>
 
-#ifndef MX3_HDR
-#define MX3_HDR
+#ifdef __cplusplus
+extern "C" {
+#endif
 
-#define mx3_copy(a, b) bcopy(a, b, 3*3*sizeof(double))
+#define mx3_copy(a, b) memcpy(b, a, 3*3*sizeof(double))
 
 /* FLOAT VERSIONS */
-float  mx3f_adjoint(/* a, b */);
-void  mx3f_mul(/* a, b, c */);
-void  mx3f_print(/* str, a */);
-void  mx3f_translate_mat(/* tx, ty, a */);
-void  mx3f_translate(/* a, tx, ty */);
-void  mx3f_scale_mat(/* sx, sy, a */);
-void  mx3f_scale(/* a, sx, sy */);
-void  mx3f_transform(/* p, a, q */);
-float  mx3f_transform_div(/* p, a, q */);
-#define mx3f_copy(a, b) bcopy(a, b, 3*3*sizeof(float))
+extern float  mx3f_adjoint(/* a, b */);
+extern void  mx3f_mul(/* a, b, c */);
+extern void  mx3f_print(/* str, a */);
+extern void  mx3f_translate_mat(/* tx, ty, a */);
+extern void  mx3f_translate(/* a, tx, ty */);
+extern void  mx3f_scale_mat(/* sx, sy, a */);
+extern void  mx3f_scale(/* a, sx, sy */);
+extern void  mx3f_transform(/* p, a, q */);
+extern float  mx3f_transform_div(/* p, a, q */);
+#define mx3f_copy(a, b) memcpy(b, a, 3*3*sizeof(float))
 
 /* DOUBLE VERSIONS */
-double  mx3d_adjoint(/* a, b */);
-void  mx3d_mul(/* a, b, c */);
-void  mx3d_print(/* str, a */);
-void  mx3d_translate_mat(/* tx, ty, a */);
-void  mx3d_translate(/* a, tx, ty */);
-void  mx3d_scale_mat(/* sx, sy, a */);
-void  mx3d_scale(/* a, sx, sy */);
-void  mx3d_transform(/* p, a, q */);
-double  mx3d_transform_div(/* p, a, q */);
-#define mx3d_copy(a, b) bcopy(a, b, 3*3*sizeof(double))
+extern double  mx3d_adjoint(double a[3][3], double b[3][3]);
+extern void  mx3d_mul(double a[3][3], double b[3][3], double c[3][3]);
+extern void  mx3d_print(/* str, a */);  /* XXX doesn't exist */
+extern void  mx3d_translate_mat(double tx, double ty, double m[3][3]);
+extern void  mx3d_translate(double m[3][3], double tx, double ty);
+extern void  mx3d_scale_mat(double sx, double sy, double m[3][3]);
+extern void  mx3d_scale(double m[3][3], double sx, double sy);
+extern void  mx3d_transform(double p[3], double a[3][3], double q[3]);
+extern double  mx3d_transform_div(double p[3], double a[3][3], double q[2]);
+#define mx3d_copy(a, b) memcpy(b, a, 3*3*sizeof(double))
 
+#ifdef __cplusplus
+}
 #endif
+#endif /* _RAD_MX3_H_ */