--- ray/src/common/tmesh.h	2003/03/10 19:38:19	2.1
+++ ray/src/common/tmesh.h	2003/03/12 04:59:04	2.3
@@ -1,4 +1,4 @@
-/* RCSid: $Id: tmesh.h,v 2.1 2003/03/10 19:38:19 greg Exp $ */
+/* RCSid $Id: tmesh.h,v 2.3 2003/03/12 04:59:04 greg Exp $ */
 /*
  * Header file for triangle mesh routines using barycentric coordinates
  */
@@ -11,7 +11,7 @@ typedef struct {
 } BARYCCM;
 
 #ifndef COSTOL
-#define COSTOL		0.99985		/* cosine of tolerance for smoothing */
+#define COSTOL		0.999995	/* cosine of tolerance for smoothing */
 #endif
 
 				/* flat_tri() return values */
@@ -20,3 +20,22 @@ typedef struct {
 #define RVBENT		2		/* reversed and not flat */
 #define RVFLAT		3		/* reversed and flat */
 #define DEGEN		-1		/* degenerate (zero area) */
+
+#ifdef NOPROTO
+
+int		flat_tri();
+int		comp_baryc();
+void		eval_baryc();
+int		get_baryc();
+void		put_baryc();
+
+#else
+
+int		flat_tri(FVECT v1, FVECT v2, FVECT v3,
+				FVECT n1, FVECT n2, FVECT n3);
+int		comp_baryc(BARYCCM *bcm,  FVECT v1, FVECT v2, FVECT v3);
+void		eval_baryc(FLOAT wt[3], FVECT p, BARYCCM *bcm);
+int		get_baryc(FLOAT wt[3], FVECT p, FVECT v1, FVECT v2, FVECT v3);
+void		put_baryc(BARYCCM *bcm, FLOAT com[][3], int n);
+
+#endif /* NOPROTO */