Jason Rhinelander f3ce00eaed vectorize: pass-through of non-vectorizable args ... This extends py::vectorize to automatically pass through non-vectorizable arguments. This removes the need for the documented "explicitly exclude an argument" workaround. Vectorization now applies to arithmetic, std::complex, and POD types, passed as plain value or by const lvalue reference (previously only pass-by-value types were supported). Non-const lvalue references and any other types are passed through as-is. Functions with rvalue reference arguments (whether vectorizable or not) are explicitly prohibited: an rvalue reference is inherently not something that can be passed multiple times and is thus unsuitable to being in a vectorized function. The vectorize returned value is also now more sensitive to inputs: previously it would return by value when all inputs are of size 1; this is now amended to having all inputs of size 1 *and* 0 dimensions. Thus if you pass in, for example, [[1]], you get back a 1x1, 2D array, while previously you got back just the resulting single value. Vectorization of member function specializations is now also supported via `py::vectorize(&Class::method)`; this required passthrough support for the initial object pointer on the wrapping function pointer.		2017-05-24 20:43:41 -04:00
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pybind11	vectorize: pass-through of non-vectorizable args	2017-05-24 20:43:41 -04:00