Changeset 38399 for branches/eam_branches/ohana.20150429/src/libfits/matrix/F_compress_utils.c

Timestamp:

Jun 5, 2015, 7:58:50 PM (11 years ago)

Author:

eugene

Message:

handle zzero,zscale = 0,1 specially to avoid bitlevel errors

File:

• branches/eam_branches/ohana.20150429/src/libfits/matrix/F_compress_utils.c (modified) (1 diff)

branches/eam_branches/ohana.20150429/src/libfits/matrix/F_compress_utils.c

@@ -234 +234 @@
   int i, Nbyte;
 
+  // NONE should be swapped to mimic swapping types
+  if (!strcasecmp(cmptype, "NONE")) {
+    if (out_bitpix ==   8) return (1);
+    if (out_bitpix ==  16) return (2);
+    if (out_bitpix ==  32) return (4);
+    if (out_bitpix == -32) return (4);
+    if (out_bitpix == -64) return (8);
+    return (1);
+  }
+
   // GZIP_1, GZIP_2 should not be swapped after compression
   if (!strcasecmp(cmptype, "GZIP_1") || 
       !strcasecmp(cmptype, "GZIP_2") || 
-      !strcasecmp(cmptype, "NONE_2") || 
-      !strcasecmp(cmptype, "NONE")) {
+      !strcasecmp(cmptype, "NONE_2")) {
     if (out_bitpix ==   8) return (1);
     if (out_bitpix ==  16) return (1);