87ed8700e2
* first fix to start branch PR * explicit conversion from sizet to int * Array.h and DiagonalMatrix.h * many sizet to int conversions * removed some unused variables and added expl overrides * removed many unused parameters * more typing * even more * last of the easy changes
48 lines
1.3 KiB
C++
48 lines
1.3 KiB
C++
/***************************************************************************
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* Copyright (c) 2023 Ondsel, Inc. *
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* *
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* This file is part of OndselSolver. *
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* *
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* See LICENSE file for details about copyright. *
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***************************************************************************/
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#include "Power.h"
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#include "Constant.h"
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#include "Ln.h"
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using namespace MbD;
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MbD::Power::Power()
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{
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}
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MbD::Power::Power(Symsptr bse, Symsptr ex) : FunctionXY(bse, ex)
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{
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}
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Symsptr MbD::Power::differentiateWRTx()
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{
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auto yminus1 = Symbolic::sum(y, sptrConstant(-1.0));
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auto power = Symbolic::raisedTo(x, yminus1);
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auto deriv = Symbolic::times(y, power);
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return deriv->simplified(deriv);
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}
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Symsptr MbD::Power::differentiateWRTy()
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{
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auto lnterm = std::make_shared<Ln>(x);
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auto deriv = Symbolic::times(clonesptr(), lnterm);
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return deriv->simplified();
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}
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Symsptr MbD::Power::simplifyUntil(Symsptr, std::shared_ptr<std::unordered_set<Symsptr>>)
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{
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assert(false);
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return Symsptr();
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}
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double MbD::Power::getValue()
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{
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return std::pow(x->getValue(), y->getValue());
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}
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