Build error about mitsuba HOT 5 CLOSED

Or try adding the following lines to the class DScalar1:

inline DScalar1& operator*=(const DScalar1 &v) {
    grad = v.grad * value + grad * v.value;
    value *= v.value;
    return *this;
}

You might need to do the same thing to other operators.

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You can just comment out that plugin if you don't need it (in the SConscript file). A major redesign is in the queue for Mitsuba, so we're currently not focusing on small-ish issues like this.

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I have the same problem than tmccal2.
I don't find class DScalar1, where can i find it ?

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@BachiLi That worked perfectly. Perhaps you could submit it as a PR to further help others? I would, but don't want to take credit :)

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@KevinAlb
The DScalar1 class is in
include/mitsuba/core/autodiff.h

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