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+C/C++ Minpack [![Build Status](https://api.travis-ci.org/devernay/cminpack.png?branch=master)](https://travis-ci.org/devernay/cminpack)
+==========
+
+This is a C version of the minpack minimization package.
+It has been derived from the fortran code using f2c and
+some limited manual editing. Note that you need to link
+against libf2c to use this version of minpack. Extern "C"
+linkage permits the package routines to be called from C++.
+Check ftp://netlib.bell-labs.com/netlib/f2c for the latest
+f2c version. For general minpack info and test programs, see
+the accompanying readme.txt and http://www.netlib.org/minpack/.
+
+Type `make` to compile and `make install` to install in /usr/local
+or modify the makefile to suit your needs.
+
+This software has been tested on a RedHat 7.3 Linux machine -
+usual 'use at your own risk' warnings apply.
+
+Manolis Lourakis -- lourakis at ics forth gr, July 2002
+	Institute of Computer Science,
+	Foundation for Research and Technology - Hellas
+	Heraklion, Crete, Greece
+
+Repackaging by Frederic Devernay -- frederic dot devernay at m4x dot org
+
+The project home page is at http://devernay.free.fr/hacks/cminpack/
+
+History
+------
+
+* version 1.3.3 (04/02/2014)::
+ - Add documentation and examples abouts how to add box constraints to the variables.
+ - continuous integration https://travis-ci.org/devernay/cminpack
+
+* version 1.3.2 (27/10/2013):
+ - Minor change in the CMake build: also set SOVERSION.
+
+* version 1.3.1 (02/10/2013):
+ - Fix CUDA examples compilation, and remove non-free files.
+
+* version 1.3.0 (09/06/2012):
+ - Optionally use LAPACK and CBLAS in lmpar, qrfac, and qrsolv. Added
+  "make lapack" to build the LAPACK-based cminpack and "make
+  checklapack" to test it (results of the test may depend on the
+  underlying LAPACK and BLAS implementations).
+  On 64-bits architectures, the preprocessor symbol __LP64__ must be
+  defined (see cminpackP.h) if the LAPACK library uses the LP64
+  interface (i.e. 32-bits integer, vhereas the ILP interface uses 64
+  bits integers).
+
+* version 1.2.2 (16/05/2012):
+ - Update Makefiles and documentation (see "Using CMinpack" above) for
+  easier building and testing.
+
+* version 1.2.1 (15/05/2012):
+ - The library can now be built as double, float or half
+  versions. Standard tests in the "examples" directory can now be
+  lauched using "make check" (to run common tests, including against
+  the float version), "make checkhalf" (to test the half version) and
+  "make checkfail" (to run all the tests, even those that fail).
+
+* version 1.2.0 (14/05/2012):
+- Added original FORTRAN sources for better testing (type "make" in
+  directory fortran, then "make" in examples and follow the
+  instructions). Added driver tests lmsdrv, chkdrv, hyjdrv,
+  hybdrv. Typing "make alltest" in the examples directory will run all
+  possible test combinations (make sure you have gfortran installed).
+
+* version 1.1.5 (04/05/2012):
+ - cminpack now works in CUDA, thanks to Jordi Bataller Mascarell, type
+   "make" in the "cuda" subdir (be careful, though: this is a
+   straightforward port from C, and each problem is solved using a
+   single thread). cminpack can now also be compiled with
+   single-precision floating point computation (define
+   __cminpack_real__ to float when compiling and using the
+   library). Fix cmake support for CMINPACK_LIB_INSTALL_DIR. Update the
+   reference files for tests.
+
+* version 1.1.4 (30/10/2011):
+ - Translated all the Levenberg-Marquardt code (lmder, lmdif, lmstr,
+     lmder1, lmdif1, lmstr1, lmpar, qrfac, qrsolv, fdjac2, chkder) to use
+     C-style indices.
+
+* version 1.1.3 (16/03/2011):
+  - Minor fix: Change non-standard strnstr() to strstr() in
+     genf77tests.c.
+
+* version 1.1.2 (07/01/2011):
+   - Fix Windows DLL building (David Graeff) and document covar in
+     cminpack.h.
+
+* version 1.1.1 (04/12/2010):
+ - Complete rewrite of the C functions (without trailing underscore in
+   the function name). Using the original FORTRAN code, the original
+   algorithms structure was recovered, and many goto's were converted
+   to if...then...else. The code should now be both more readable and
+   easier to optimize, both for humans and for compilers. Added lmddrv
+   and lmfdrv test drivers, which test a lot of difficult functions
+   (these functions are explained in Testing Unconstrained Optimization
+   Software by Moré et al.). Also added the pkg-config files to the
+   cmake build, as well as an "uninstall" target, contributed by
+   Geoffrey Biggs.
+
+* version 1.0.4 (18/10/2010):
+ - Support for shared library building using CMake, thanks to Goeffrey
+   Biggs and Radu Bogdan Rusu from Willow Garage. Shared libraries can be
+   enabled using cmake options, as in;
+ cmake -DUSE_FPIC=ON -DSHARED_LIBS=ON -DBUILD_EXAMPLES=OFF path_to_sources
+
+* version 1.0.3 (18/03/2010):
+ - Added CMake support.
+ - XCode build is now Universal.
+ - Added tfdjac2_ and tfdjac2c examples, which test the accuracy of a
+   finite-differences approximation of the Jacobian.
+ - Bug fix in tlmstr1 (signaled by Thomas Capricelli).
+
+* version 1.0.2 (27/02/2009):
+ - Added Xcode and Visual Studio project files
+
+* version 1.0.1 (17/12/2007):
+ - bug fix in covar() and covar_(), the computation of tolr caused a
+   segfault (signaled by Timo Hartmann).
+
+* version 1.0.0 (24/04/2007):
+ - Added fortran and C examples
+ - Added documentation from Debian man pages
+ - Wrote pure C version
+ - Added covar() and covar_(), and use it in tlmdef/tlmdif