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[diderot] Diff of /branches/pure-cfg/TODO
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Diff of /branches/pure-cfg/TODO

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revision 787, Fri Apr 8 03:39:40 2011 UTC revision 824, Thu Apr 14 15:54:24 2011 UTC
# Line 2  Line 2 
2  SHORT TERM =============  (for curvature-based VR)  SHORT TERM =============  (for curvature-based VR)
3  ========================  ========================
4    
5  Outer products  For RGB color output of 2D transfer function (indexed by
6      syntax [DONE]  kappa1,kappa2), or for a 1D transfer function, will need
7      typechecking  something akin to convolution on vector images
     IL and codegen  
8    
9  Add M dot v, v dot M, and M dot N  IL support for higher-order tensor values (matrices, etc).
10        tensor construction [DONE]
11        tensor indexing [DONE]
12        tensor slicing
13        verify that hessians work correctly
14    
15    Outer products [DONE]
16    
17    Add M dot v, v dot M, and M dot N [DONE]
18    
19  Identity matrix [DONE up to code generation]  Identity matrix [DONE up to code generation]
20    
21  trace [DONE]  Zero tensor [DONE up to code generation]
22    
23  expand trace in mid to low translation  trace [DONE]
24    
25  extend norm (|exp|) to tensor[3,3]  extend norm (|exp|) to tensor[3,3]
26    
27  Use ∇⊗ etc syntax  extend implementation of scaling to work on higher-order tensors (it currently
28    just works on vectors)
29    
30    Use ∇⊗ etc. syntax
31      syntax [DONE]      syntax [DONE]
32      typechecking      typechecking
33      IL and codegen      IL and codegen
# Line 28  Line 38 
38          value construction: '{' e1 ',' … ',' en '}'          value construction: '{' e1 ',' … ',' en '}'
39          indexing: e '{' e '}'          indexing: e '{' e '}'
40    
 IL support for higher-order tensor values (matrices, etc).  
     tensor construction  
     tensor indexing and slicing  
     verify that hessians work correctly  
   
 Add type aliases for color types  
     rgb = real{3}  
     rgba = real{4}  
   
41  Infix dot product and cross product [DONE]  Infix dot product and cross product [DONE]
42    
43  lerp on scalars and vectors [DONE]  lerp on scalars and vectors [DONE]
44    
45    Infix "^" operator for pow() [DONE]
46    
47  ==============================  ==============================
48  other SHORT TERM =============  (including needed for LIC)  other SHORT TERM =============  (including needed for LIC)
49  ==============================  ==============================
# Line 56  Line 59 
59    
60  vector fields: convolution on vector images  vector fields: convolution on vector images
61    
62    expand trace in mid to low translation
63    
64    value-numbering optimization
65    
66    Add type aliases for color types
67        rgb = real{3}
68        rgba = real{4}
69    
70  ==============================  ==============================
71  MEDIUM TERM ================== (needed for streamlines & tractography)  MEDIUM TERM ================== (needed for streamlines & tractography)
72  ==============================  ==============================
# Line 82  Line 93 
93    
94  proper handling of stabilize method  proper handling of stabilize method
95    
96    Add support for code like
97    
98            (F1 if x else F2)@pos
99    
100    This will require duplication of the continuation of the conditional (but we should only
101    duplicate over the live-range of the result of the conditional.
102    
103    ==============================
104    other MEDIUM TERM ============
105    ==============================
106    
107    want: warnings when D (and likely I) is declared as a
108    variable name (now get confusing error messages now)
109    
110    support for Python interop and GUI
111    
112  ==============================  ==============================
113  LONG TERM ====================  LONG TERM ====================
114  ==============================  ==============================
115    
116    Better handling of variables that determines the scope of a variable based on its actual use,
117    instead of where the user defined it.  So, for example, we should lift strand-invariant variables
118    to global scope.  Also prune out useless variables, which should include field variables after the
119    translation to mid-il.
120    
121  co- vs contra- index distinction  co- vs contra- index distinction
122    
123  add ":" for tensor dot product (contracts out two indices  add ":" for tensor dot product (contracts out two indices
# Line 103  Line 135 
135    
136  "tensor comprehension" (like list comprehension)  "tensor comprehension" (like list comprehension)
137    
138    Python/ctypes interface to run-timez
139    
140  ======================  ======================
141  BUGS =================  BUGS =================
142  ======================  ======================

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