blockSQP -- Sequential quadratic programming for problems with
            block-diagonal Hessian matrix.
Copyright (c) 2012-2015 Dennis Janka <dennis.janka@iwr.uni-heidelberg.de>

blockSQP2 -- A structure-exploiting nonlinear programming solver based
             on blockSQP by Dennis Janka.
Copyright (C) 2023-2026 by Reinhold Wittmann <reinhold.wittmann@ovgu.de>

(zlib license):

    This software is provided 'as-is', without any express or implied
    warranty. In no event will the authors be held liable for any
    damages arising from the use of this software.

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    including commercial applications, and to alter it and redistribute
    it freely, subject to the following restrictions:

        1. The origin of this software must not be misrepresented;
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        product documentation would be appreciated but is not required.

        2. Altered source versions must be plainly marked as such,
        and must not be misrepresented as being the original software.

        3. This notice may not be removed or altered from any source
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