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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 788, Fri Apr 8 03:57:23 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    For RGB color output of 2D transfer function (indexed by
6    kappa1,kappa2), or for a 1D transfer function, will need
7    something akin to convolution on vector images
8    
9  IL support for higher-order tensor values (matrices, etc).  IL support for higher-order tensor values (matrices, etc).
10      tensor construction      tensor construction [DONE]
11      tensor indexing and slicing      tensor indexing [DONE]
12        tensor slicing
13      verify that hessians work correctly      verify that hessians work correctly
14    
15  Outer products  Outer products [DONE]
     syntax [DONE]  
     typechecking  
     IL and codegen  
16    
17  Add M dot v, v dot M, and M dot N  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    Zero tensor [DONE up to code generation]
22    
23  trace [DONE]  trace [DONE]
24    
25  extend norm (|exp|) to tensor[3,3]  extend norm (|exp|) to tensor[3,3]
26    
27    extend implementation of scaling to work on higher-order tensors (it currently
28    just works on vectors)
29    
30  Use ∇⊗ etc. syntax  Use ∇⊗ etc. syntax
31      syntax [DONE]      syntax [DONE]
32      typechecking      typechecking
# Line 35  Line 42 
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 84  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 105  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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