874. Missing initializer_list constructor for discrete_distribution

Section: 29.5.9.6.1 [rand.dist.samp.discrete] Status: Resolved Submitter: Daniel Krügler Opened: 2008-08-22 Last modified: 2016-01-28

Priority: Not Prioritized

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Discussion:

During the Sophia Antipolis meeting it was decided to separate from 793 a subrequest that adds initializer list support to discrete_distribution, specifically, the issue proposed to add a c'tor taking a initializer_list<double>.

Proposed resolution:

1. In 29.5.9.6.1 [rand.dist.samp.discrete] p. 1, class discrete_distribution, just before the member declaration

   explicit discrete_distribution(const param_type& parm);
   

   insert

   discrete_distribution(initializer_list<double> wl);
   

2. Between p.4 and p.5 of the same section insert a new paragraph as part of the new member description:

   discrete_distribution(initializer_list<double> wl);
   

   Effects: Same as discrete_distribution(wl.begin(), wl.end()).

Rationale:

Addressed by N2836 "Wording Tweaks for Concept-enabled Random Number Generation in C++0X".