
===============================================================
dftr3 RELEASE NOTES: 12/28/22 RELEASE VERSION 2.23.4
===============================================================

Enhancements/ Additions:
------------------------

* Changes for compatibility with adding metric capability to
  aflr4, surf_auto, and surf_auto_cpp.

Bugs Fixed:
-----------


===============================================================
dftr3 RELEASE NOTES: 11/20/22 RELEASE VERSION 2.23.3
===============================================================

Enhancements/ Additions:
------------------------

* Changed all sprintf calls to snprintf.

Bugs Fixed:
-----------


===============================================================
dftr3 RELEASE NOTES: 03/17/20 RELEASE VERSION 2.23.2
===============================================================

Enhancements/ Additions:
------------------------

* Modified dftr3_bg_eval.

Bugs Fixed:
-----------


===============================================================
dftr3 RELEASE NOTES: 12/05/17 RELEASE VERSION 2.23.0
===============================================================

Enhancements/ Additions:
------------------------

* Added routine dftr3_eval_chk.

Bugs Fixed:
-----------


===============================================================
dftr3 RELEASE NOTES: 06/19/17 RELEASE VERSION 2.21.50
===============================================================

Enhancements/ Additions:
------------------------

* Changed fmin/fmax to MIN/MAX.

Bugs Fixed:
-----------


===============================================================
dftr3 RELEASE NOTES: 06/19/17 RELEASE VERSION 2.21.50
===============================================================

Enhancements/ Additions:
------------------------

* Added degenerate check for zero length vector in routines that
  determine the length of a vector in Riemann space.

* Added metric mean evaluation for up to 6 points.

* Add additional test cases.

Bugs Fixed:
-----------


===============================================================
dftr3 RELEASE NOTES: 03/09/17 RELEASE VERSION 2.20.43
===============================================================

Enhancements/ Additions:
------------------------

* Modified background grid evaluation function to include a
  routine to get data externally.

Bugs Fixed:
-----------


===============================================================
dftr3 RELEASE NOTES: 02/13/17 RELEASE VERSION 2.19.43
===============================================================

Enhancements/ Additions:
------------------------

* Changes for compatibility with 64-bit integers.

Bugs Fixed:
-----------


===============================================================
dftr3 RELEASE NOTES: 12/17/16 RELEASE VERSION 2.18.43
===============================================================

Enhancements/ Additions:
------------------------

* Moved dftr3_qtb_chk, dftr3_qtb_chk_n, and dftr3_qtb_eval to
  AFLR3_LIB.

* Made dftr3_src_* routines external and moved them to AFLR3_LIB.

Bugs Fixed:
-----------


===============================================================
dftr3 RELEASE NOTES: 11/03/16 RELEASE VERSION 2.17.40
===============================================================

Enhancements/ Additions:
------------------------

* Moved otb_chk, otb_chk_n, and otb_eval to DFTR3 LIB as
  dftr3_otb_chk, dftr3_otb_chk_n, and dftr3_otb_eval.

Bugs Fixed:
-----------


===============================================================
dftr3 RELEASE NOTES: 10/20/16 RELEASE VERSION 2.16.37
===============================================================

Enhancements/ Additions:
------------------------

* Added functions dftr3_eval_avg_df and dftr3_eval_bg_min_max_df
  to evaluate average and min/max length scale.

* Modified dftr3_eval to allow multiple initialization calls.

Bugs Fixed:
-----------

===============================================================
dftr3 RELEASE NOTES: 08/05/16 RELEASE VERSION 2.15.34
===============================================================

Enhancements/ Additions:
------------------------

* Added element neighbor connectivity to input for initialization
  of the evaluation routines.

Bugs Fixed:
-----------

* 

===============================================================
dftr3 RELEASE NOTES: 01/18/16 RELEASE VERSION 2.14.31
===============================================================

Enhancements/ Additions:
------------------------

* Minor syntax change in if check.

Bugs Fixed:
-----------

* 

===============================================================
dftr3 RELEASE NOTES: 12/02/15 RELEASE VERSION 2.14.30
===============================================================

Enhancements/ Additions:
------------------------

* Moved all dftr3_df* routines back to library UG3.

Bugs Fixed:
-----------

* 

===============================================================
dftr3 RELEASE NOTES: 11/06/15 RELEASE VERSION 2.13.30
===============================================================

Enhancements/ Additions:
------------------------

* Added eigen value limit checking for near isotropic metric to
  dftr3_met_log.

Bugs Fixed:
-----------

* Added zero value metric checking to dftr3_tr0f.

===============================================================
dftr3 RELEASE NOTES: 09/08/15 RELEASE VERSION 2.12.28
===============================================================

Enhancements/ Additions:
------------------------

* Modified ordering of first two arguments in API for dftr3_eval_inl.

Bugs Fixed:
-----------

* Corrected bug in dftr3_dff.

===============================================================
dftr3 RELEASE NOTES: 02/23/15 RELEASE VERSION 2.11.25
===============================================================

Enhancements/ Additions:
------------------------

* Added specific routines for source evaluation.

Bugs Fixed:
-----------

* Corrected determination of sizing from a metric in dftr3_met_met2df.

===============================================================
dftr3 RELEASE NOTES: 12/23/14 RELEASE VERSION 2.10.19
===============================================================

Enhancements/ Additions:
------------------------

* Added use of actual mesh data when calling external evaluation
  initializatipon routine.

Bugs Fixed:
-----------

* Correct error that prevented use of external sizing evaluation
  routines.

===============================================================
dftr3 RELEASE NOTES: 07/06/14 RELEASE VERSION 2.9.19
===============================================================

Enhancements/ Additions:
------------------------

* Added ability to turn on/off the source and metric related
  evaluations.

* Modified determination of the transformation vector and metric
  values in the test routine for external sizing function.

* Added background grid evaluation related routines.

* Added routines to get AFLR prescribed size df from a given
  metric at one location and at multiple locations.

Bugs Fixed:
-----------

* 

===============================================================
dftr3 RELEASE NOTES: 05/30/14 RELEASE VERSION 2.7.16
===============================================================

Enhancements/ Additions:
------------------------

* Added API argument to specify a method when using an external
  sizing function.

Bugs Fixed:
-----------

* 

===============================================================
dftr3 RELEASE NOTES: 04/21/14 RELEASE VERSION 2.6.8
===============================================================

Enhancements/ Additions:
------------------------

* Modified built-in external sizing function. Added option to
  test metric space based sizing.

Bugs Fixed:
-----------

* Correct potential uninitialized variable use.

===============================================================
dftr3 RELEASE NOTES: 02/11/14 RELEASE VERSION 2.4.6
===============================================================

Enhancements/ Additions:
------------------------

* Convert to new ug parameter structure scheme and eliminate
  use of Error_Message.

Bugs Fixed:
-----------

* 

===============================================================
dftr3 RELEASE NOTES: 09/19/13 RELEASE VERSION 2.3.4
===============================================================

Enhancements/ Additions:
------------------------

* Added initialization routine.

Bugs Fixed:
-----------

* 


===============================================================
dftr3 RELEASE NOTES: 08/15/13 RELEASE VERSION 2.2.4
===============================================================

Enhancements/ Additions:
------------------------

* Added capability for metric based evaluation of geometric
  quantities.

Bugs Fixed:
-----------

* 


===============================================================
dftr3 RELEASE NOTES: 03/16/13 RELEASE VERSION 1.10.11
===============================================================

Enhancements/ Additions:
------------------------

* Updated character string declarations.

Bugs Fixed:
-----------

* 

