[Octave-bug-tracker] [bug #61968] pow2 with two arguments is not Matlab compatible

[Markus Mützel]

Follow-up Comment #22, bug #61968 (project octave):

Regarding `std::ldexpf` and `std::ldexpl`: I can't find those in the explicit
list of functions that should be defined when including `<cmath>`. See 26.8 of
the C++11 standard (pages 993 ff.):
http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2013/n3690.pdf
(They might be implicitly included by one of the paragraphs though?)

Neither for C++14 (pages 1004 ff.):
http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n4296.pdf

It *does* appear in C++17 though (p. 1018):
http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2017/n4713.pdf

And in the draft for C++20 (p. 1211):
https://isocpp.org/files/papers/N4860.pdf

Might be an error on cppreference or I don't understand the standard
documentation...

However, none of this matters because we don't need those functions anyway.

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