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root/Development/ray/src/cv/mgflib/context.c

Comparing ray/src/cv/mgflib/context.c (file contents):
Revision 1.20 by greg, Wed Apr 12 17:16:33 1995 UTC vs.
Revision 1.23 by greg, Mon Aug 28 16:44:12 1995 UTC

#	Line 105 | Line 105 | register char  **av;
105		c_ccname = NULL;
106		return(MG_OK);
107		}
108	+	if (!isname(av[1]))
109	+	return(MG_EILL);
110		lp = lu_find(&clr_tab, av[1]);  /* lookup context */
111		if (lp == NULL)
112		return(MG_EMEM);
#	Line 221 | Line 223 | register char  **av;
223		c_cmname = NULL;
224		return(MG_OK);
225		}
226	+	if (!isname(av[1]))
227	+	return(MG_EILL);
228		lp = lu_find(&mat_tab, av[1]);  /* lookup context */
229		if (lp == NULL)
230		return(MG_EMEM);
#	Line 259 | Line 263 | register char  **av;
263		*c_cmaterial = *(C_MATERIAL *)lp->data;
264		c_cmaterial->clock = i + 1;
265		return(MG_OK);
266	+	case MG_E_IR:           /* set index of refraction */
267	+	if (ac != 3)
268	+	return(MG_EARGC);
269	+	if (!isflt(av[1]) | !isflt(av[2]))
270	+	return(MG_ETYPE);
271	+	c_cmaterial->nr = atof(av[1]);
272	+	c_cmaterial->ni = atof(av[2]);
273	+	if (c_cmaterial->nr <= FTINY)
274	+	return(MG_EILL);
275	+	c_cmaterial->clock++;
276	+	return(MG_OK);
277		case MG_E_RD:           /* set diffuse reflectance */
278		if (ac != 2)
279		return(MG_EARGC);
#	Line 355 | Line 370 | register char  **av;
370		c_cvname = NULL;
371		return(MG_OK);
372		}
373	+	if (!isname(av[1]))
374	+	return(MG_EILL);
375		lp = lu_find(&vtx_tab, av[1]);  /* lookup context */
376		if (lp == NULL)
377		return(MG_EMEM);
#	Line 589 | Line 606 | char   **av;
606		}
607		if (n > 1)
608		va[i] /= (double)n;
592	–	if (va[i] < 0.)
593	–	return(MG_EILL);
609		if (va[i] > scale)
610		scale = va[i];
611	+	else if (va[i] < -scale)
612	+	scale = -va[i];
613		}
614		if (scale <= FTINY)
615		return(MG_EILL);

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