nessi data reduction lib

1
nessi data reduction lib
2
structure

• stateless functions
• C-callable
• implement in C (better C (TK), good C
  (FA)), provide C API
• nessi want to provide 4 layers
• domain independent, work on primitive types
• domain dependent, work on primitive types
• work on individual spectrum (pixel)
• work on collection of spectra
• other layers for components, apps

3
data structures

• nessi-dr want common data structures for
  spectrum
• design in progress
• how to associate attributes unclear
• nessi-dr leaning toward C
• my preference C
• sticking point IDL compatibility

4
the seven rules

• confusing, not shown in wrap-up, sorry
• intended to constrain implementation of layers 1
  2
• keep performance reasonable
• avoid dynamic allocation (the loop killer)
• keep code maintainable
• no globals variables, etc.