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Author SHA1 Message Date
Atgeirr Flø Rasmussen 0bf693e8c0 Merge remote-tracking branch 'bska/master' 2013-04-30 11:07:13 +02:00
Atgeirr Flø Rasmussen 42cdfa27a0 Use named constructor pattern. 
Made AutoDiff::Forward constructor private.
Added static methods constant(), variable(x) and function(x, dx).
 2013-04-30 11:05:59 +02:00
Bård Skaflestad 6319c428a3 Don't return values from update operators. 
Statements like

   a = b += c

make no sense
 2013-04-30 10:47:00 +02:00
Bård Skaflestad 0ff3b721ee Rename members to better reflect purpose. 
Specifically,

  - x_  -> val_
  - dx_ -> der_
 2013-04-30 09:25:37 +02:00
Bård Skaflestad e17447d6cd Add further test cases 
- Polynomials (including mixed mode arithmetic)
  - Cosines (including mixed mode arithmethic)
  - Square roots (including mixed mode arithmetic)
 2013-04-30 00:08:02 +02:00
Bård Skaflestad 011ab5ee93 Operator *=(): Use correct derivative chain rule 
Updating the derivative using '*=' is just plain wrong.
 2013-04-29 23:53:31 +02:00
Bård Skaflestad 72d6d32095 Don't use updated values for computing derivatives 
We must not overwrite the current evaluation point until all the
derivative values have been calculated.  Otherwise, the derivatives
will differ from that of the actual values.
 2013-04-29 23:28:49 +02:00
Bård Skaflestad 72e2b1f5ca Ignore executables. 2013-04-29 15:01:03 +02:00
Bård Skaflestad a4cdbdc049 Add test cases for multiplication and division 
Helped uncover syntax error (misprint) fixed in commit 8105166.
 2013-04-29 14:52:38 +02:00
Bård Skaflestad 8105166c26 Fix misprint in Forward/Scalar case. 2013-04-29 14:51:28 +02:00
Bård Skaflestad 790f6a06b2 Add simple test cases 
- Initialisation
  - Addition (including mixed mode)
  - Subtraction (including mixed mode)
 2013-04-29 14:12:57 +02:00
Bård Skaflestad b05f65ae70 Add simple library for automatic differentiation 
No build system or automatic test cases at this point.
 2013-04-29 13:39:57 +02:00
Bård Skaflestad 33f2623257 Ignore Emacs autosave files. 2013-04-29 13:39:26 +02:00
Bård Skaflestad a3ae90635e Initial commit 2013-04-29 01:31:45 -07:00