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[diderot] Diff of /branches/lamont/TODO
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Diff of /branches/lamont/TODO

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revision 1388, Fri Jun 24 14:45:33 2011 UTC revision 1389, Fri Jun 24 17:54:44 2011 UTC
# Line 5  Line 5 
5  SHORT TERM ============= (*needed* for streamlines & tractography)  SHORT TERM ============= (*needed* for streamlines & tractography)
6  ========================  ========================
7    
 Remove CL from compiler [DONE]  
   
8  [GLK:2] Add sequence types (needed for evals & evecs)  [GLK:2] Add sequence types (needed for evals & evecs)
9      syntax      syntax
10          types: ty '{' INT '}'          types: ty '{' INT '}'
# Line 17  Line 15 
15  tensor[3,3] (requires sequences)  tensor[3,3] (requires sequences)
16    
17  ability to emit/track/record variables into dynamically re-sized  ability to emit/track/record variables into dynamically re-sized
18  runtime buffer  runtime output buffer
19    
20  tensor fields: convolution on general tensor images (order > 1)  tensor fields: convolution on general tensor images (order > 1)
21    
# Line 25  Line 23 
23  SHORT-ISH TERM ========= (to make using Diderot less annoying to  SHORT-ISH TERM ========= (to make using Diderot less annoying to
24  ========================  program in, and slow to execute)  ========================  program in, and slow to execute)
25    
 value-numbering optimization [DONE]  
   
26  Allow ".ddro" file extensions in addition to ".diderot"  Allow ".ddro" file extensions in addition to ".diderot"
27    
28  Be able to output values of type tensor[2,2] and tensor[3,3];  Be able to output values of type tensor[2,2] and tensor[3,3];
# Line 50  Line 46 
46      complete list of values, as well as list of start indices and lengths      complete list of values, as well as list of start indices and lengths
47      to index into complete list      to index into complete list
48    
49  [GLK:5] Use of Teem's "hest" command-line parser for getting  [GLK:5] ability to declare a field so that probe positions are
 any "input" variables that are not defined in the source file. [DONE]  
   
 [GLK:6] ability to declare a field so that probe positions are  
50  *always* "inside"; with various ways of mapping the known image values  *always* "inside"; with various ways of mapping the known image values
51  to non-existant index locations.  One possible syntax emphasizes that  to non-existant index locations.  One possible syntax emphasizes that
52  there is a index mapping function that logically precedes convolution:  there is a index mapping function that logically precedes convolution:
# Line 76  Line 69 
69      rgb = real{3}      rgb = real{3}
70      rgba = real{4}      rgba = real{4}
71    
72    Revisit how images are created within the language.
73    The "load" operator should probably go away, and its strangs
74    that strings are there only as a way to refer to nrrd filenames
75    
76  ==============================  ==============================
77  MEDIUM TERM ================== (*needed* for particles)  MEDIUM TERM ================== (*needed* for particles)
78  ==============================  ==============================
# Line 112  Line 109 
109  test/illust-vr.diderot is good example of program that uses multiple  test/illust-vr.diderot is good example of program that uses multiple
110  such 1-D fields basically as lookup-table-based function evaluation  such 1-D fields basically as lookup-table-based function evaluation
111    
 expand trace in mid to low translation [DONE]  
   
112  extend norm (|exp|) to all tensor types [DONE for vectors and matrices]  extend norm (|exp|) to all tensor types [DONE for vectors and matrices]
113    
114  determinant ("det") for tensor[3,3]  determinant ("det") for tensor[3,3]
# Line 133  Line 128 
128  LONG TERM ==================== (make Diderot more interesting/attractive from  LONG TERM ==================== (make Diderot more interesting/attractive from
129  ==============================  a research standpoint)  ==============================  a research standpoint)
130    
131    [GLK:6] Want code-generation working for tensors of order three.
132    Order three matters for edge detection in scalar fields (to get
133    second derivatives of gradient magnitude), second derivatives
134    of vector fields (for some feature extraction), and first
135    derivatives of diffusion tensor fields.
136    
137  IL support for higher-order tensor values (matrices, etc).  IL support for higher-order tensor values (matrices, etc).
138      tensor construction [DONE]      tensor construction [DONE]
139      tensor indexing [DONE]      tensor indexing [DONE]
140      tensor slicing      tensor slicing
     verify that hessians work correctly [DONE]  
141    
142  Better handling of variables that determines the scope of a variable  Better handling of variables that determines the scope of a variable
143  based on its actual use, instead of where the user defined it.  So,  based on its actual use, instead of where the user defined it.  So,

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