diff options
Diffstat (limited to 'tools/h5repack')
| -rw-r--r-- | tools/h5repack/h5repack_copy.c | 28 |
1 files changed, 15 insertions, 13 deletions
diff --git a/tools/h5repack/h5repack_copy.c b/tools/h5repack/h5repack_copy.c index 01ccc21..ac2f770 100644 --- a/tools/h5repack/h5repack_copy.c +++ b/tools/h5repack/h5repack_copy.c @@ -323,6 +323,8 @@ out: * H5Ocopy or not is if a change of filters or layout is requested by the user * then use read/write else use H5Ocopy. * + * May, 1, 2008: Add a printing of the compression ratio of old size / new size + * *------------------------------------------------------------------------- */ @@ -364,7 +366,7 @@ int do_copy_objects(hid_t fidin, if (options->verbose) { printf("-----------------------------------------\n"); - printf(" Type Filter (%%Savings) Name\n"); + printf(" Type Filter (Compression) Name\n"); printf("-----------------------------------------\n"); } @@ -661,25 +663,25 @@ int do_copy_objects(hid_t fidin, */ if (options->verbose) { + double ratio=0; + if (apply_s && apply_f) { - double per=0; hssize_t a, b; - /* get the storage size of the input dataset */ + /* get the storage size of the output dataset */ dsize_out=H5Dget_storage_size(dset_out); - a = dsize_in; b = dsize_out; - if (a!=0) - per = (double) (b-a)/a; - - per = -per; - per *=100; + /* compression ratio = uncompressed size / compressed size */ - print_dataset_info(dcpl_out,travt->objs[i].name,per); + a = dsize_in; b = dsize_out; + if (b!=0) + ratio = (double) a / (double) b; + + print_dataset_info(dcpl_out,travt->objs[i].name,ratio); } else - print_dataset_info(dcpl_id,travt->objs[i].name,0.0); + print_dataset_info(dcpl_id,travt->objs[i].name,ratio); /* print a message that the filter was not applied (in case there was a filter) @@ -1058,7 +1060,7 @@ error: */ static void print_dataset_info(hid_t dcpl_id, char *objname, - double per) + double ratio) { char strfilter[255]; #if defined (PRINT_DEBUG ) @@ -1146,7 +1148,7 @@ static void print_dataset_info(hid_t dcpl_id, char str[255], temp[20]; strcpy(str,"dset "); strcat(str,strfilter); - sprintf(temp," (%.1f%%)",per); + sprintf(temp," (%.3f:1)",ratio); strcat(str,temp); printf(FORMAT_OBJ,str,objname); } |