Ipopt

- updated download script for Blas to fit netlib's
recent changes
- using a more recent version of BuildTools

- updated download script for Lapack to fit to netlib's
recent changes

2006-10-11 stable/3.2 r795
- Bugfix in L-BFGS update
- fix in configure with detection of sizeof(int *) on Cygwin

2006-07-14 - version 3.2.1 - dev release number 764
- Bugfix in least square multiplier estimate.
It mainly showed up in LBFGS with restoration phase as seg fault

2006-07-07 - version 3.2.0 - dev 757
- changed installation procedure and directory structure to
conform with new COIN-OR convention

2006-04-08 - version 3.1.0 - dev release number 714
Several bug-fixes, improvements and additions. In particular:
- new quasi-Newton approximation using L-BFGS
- interfaces to linear solver MA57, WSMP, Pardiso
(MUMPS and TAUCS not yet completed)
- derivative checker
- unit test
- configure supports compilation under Cygwin with native
Windows compilers
- ScalableExample
- user call-back method in TNLP

2005-12-04 - version 3.0.1 - fixes independent of dev
(already taken care of there)
Several corrections to Windows files
Fix termination if number of iterations is exceeded in restoration phase
2005-08-26 - version 3.0.0 - dev release number 510
First official release of the new C++ implementation of Ipopt.

=====

- Added support for Conda Forge Windows Ipopt >=3.13 binaries using the
IPOPTWINDIR="USECONDAFORGEIPOPT" environment variable value.
(https://github.com/matthias-k/cyipopt/pull/78)
- Added support for Ipopt >=3.13 on Windows.
(https://github.com/matthias-k/cyipopt/pull/63)

=====

- Resolved compatibility issues with Windows.
(https://github.com/matthias-k/cyipopt/pull/49)
- OSError now raised if pkg-config can't find ipopt on installation.
(https://github.com/matthias-k/cyipopt/pull/57)
- Supporting only Python 2.7 and 3.6-3.8. Python 3.5 support dropped.
(https://github.com/matthias-k/cyipopt/pull/58)
- Improvements to the README and setup.py for Windows installations.
(https://github.com/matthias-k/cyipopt/pull/54)
- Drop Python 3.4 support and add Python 3.7 support.
(https://github.com/matthias-k/cyipopt/pull/51)
- Adding installation testing on the Appveyor CI service.
(https://github.com/matthias-k/cyipopt/pull/50)
- Added custom installation instructions for Ubuntu 18.04.

=====

- Fixed encoding issue preventing installation on some OSes.
- Removed SciPy requirements from examples.

=====

- Updated setup.py to be complete and added dependencies.
- Added support for Travis CI to test build, install, examples, and docs.
- Made SciPy and optional dependency.
- Linux/Mac installation now supported via conda and conda-forge.
- Added LICENSE file and EPL headers to each source file.
- Fixed some PY2/3 compatibility issues.
- Improved documentation formatting for Sphinx.
- Strings can be passed to addOption instead of bytes strings for Python 2 and
3.