--- ray/src/px/ra_tiff.c	2003/07/01 22:44:02	2.22
+++ ray/src/px/ra_tiff.c	2003/07/21 22:30:19	2.25
@@ -1,5 +1,5 @@
 #ifndef lint
-static const char	RCSid[] = "$Id: ra_tiff.c,v 2.22 2003/07/01 22:44:02 greg Exp $";
+static const char	RCSid[] = "$Id: ra_tiff.c,v 2.25 2003/07/21 22:30:19 schorsch Exp $";
 #endif
 /*
  *  Program to convert between RADIANCE and TIFF files.
@@ -10,6 +10,7 @@ static const char	RCSid[] = "$Id: ra_tiff.c,v 2.22 200
 #include  <stdio.h>
 #include  <math.h>
 #include  <ctype.h>
+#include  <time.h>
 #include  "tiffio.h"
 #include  "color.h"
 #include  "resolu.h"
@@ -160,13 +161,14 @@ doneopts:
 		if (i != argc-2)
 			goto userr;
 						/* consistency checks */
-		if (CHK(C_GRY))
+		if (CHK(C_GRY)) {
 			if (cvts.phot == PHOTOMETRIC_RGB)
 				cvts.phot = PHOTOMETRIC_MINISBLACK;
 			else {
 				cvts.phot = PHOTOMETRIC_LOGL;
 				cvts.comp = COMPRESSION_SGILOG;
 			}
+		}
 		if (CHK(C_TWRD|C_TFLT) == (C_TWRD|C_TFLT))
 			goto userr;
 
@@ -541,6 +543,8 @@ initfromrad()			/* initialize input from a Radiance pi
 			cvts.tf = Color2RRGGBB;
 			SET(C_RFLT);
 		} else if (CHK(C_TFLT)) {
+			TIFFSetField(cvts.tif, TIFFTAG_SAMPLEFORMAT,
+					SAMPLEFORMAT_IEEEFP);
 			cvts.tf = Color2RfGfBf;
 			SET(C_RFLT);
 		} else
@@ -553,6 +557,8 @@ initfromrad()			/* initialize input from a Radiance pi
 			cvts.tf = Color2GGry;
 			SET(C_RFLT);
 		} else if (CHK(C_TFLT)) {
+			TIFFSetField(cvts.tif, TIFFTAG_SAMPLEFORMAT,
+					SAMPLEFORMAT_IEEEFP);
 			cvts.tf = Color2Gryf;
 			SET(C_RFLT);
 		} else