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[ctsim.git] / ChangeLog

diff --git a/ChangeLog b/ChangeLog
index c929086f8a0e538af6faa59498f50639589dc870..06691391e8a309a1afc95288dd0e8f34173cd676 100644 (file)
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@@ -1,7 +1,23 @@
+0.6.0-b3 - 6/10/2000
+   Improved Integer backprojection method
+       Fixed nearest neighbor to be truly nearest neighbor
+       Made linear interpolation more integer arithmetic -> speed improvement
+   Finished converting all C files to C++
+   Converted all use of malloc/free to C++ new/delete
+   Began object-oriented conversion of Phantom and Projection structures
+       
+0.6.0-b2 - 6/8/2000
+   Converted MPI data structures to C++ object
+   Made ImageFile directly inherit from Array2dFile
+       
 0.6.0-b1 - 6/6/2000
    First C++ conversions
-   Portable IF (image file) format implemented to replace SDF
-        
+   Portable IF (image file) format implemented with objects (SDF removed)
+       - Now all data files are cross-platform compatible
+   Converted from MPI to MPI++
+   Converted backprojection to object-oriented
+   Removed MTX from libkmath as no longer need -- replaced with C++ matrices            
+       
 0.5.4 - 6/4/2000
    Simpilifed endian handling
        
@@ -53,4 +69,5 @@
   added MPI support via LAM library
        
 1983-84 
-  Developed under MS-DOS and IBM EGA graphics
\ No newline at end of file
+  Developed under MS-DOS and IBM EGA graphics
+