37 lines
817 B
C++
37 lines
817 B
C++
#include "FunctionX.h"
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#include "Constant.h"
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#include "Sum.h"
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using namespace MbD;
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MbD::FunctionX::FunctionX(Symsptr arg) : xx(arg)
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{
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}
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void MbD::FunctionX::arguments(Symsptr args)
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{
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//args is a Sum with "terms" containing the actual arguments
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auto sum = std::static_pointer_cast<Sum>(args);
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assert(sum->terms->size() == 1);
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xx = sum->terms->front();
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}
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Symsptr MbD::FunctionX::differentiateWRT(Symsptr var)
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{
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if (this == var.get()) return std::make_shared<Constant>(1.0);
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auto dfdx = differentiateWRTx();
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auto dxdvar = xx->differentiateWRT(var);
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return Symbolic::times(dfdx, dxdvar);
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}
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Symsptr MbD::FunctionX::differentiateWRTx()
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{
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assert(false);
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return Symsptr();
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}
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void MbD::FunctionX::createMbD(std::shared_ptr<System> mbdSys, std::shared_ptr<Units> mbdUnits)
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{
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xx->createMbD(mbdSys, mbdUnits);
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}
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