[boost] [Boost-bugs] [ boost-Bugs-1043616 ] boost::rational documentation typos(?)

From: SourceForge.net (noreply_at_[hidden])
Date: 2004-10-09 10:53:47

Bugs item #1043616, was opened at 2004-10-09 08:53
Message generated for change (Tracker Item Submitted) made by Item Submitter
You can respond by visiting: 
https://sourceforge.net/tracker/?func=detail&atid=107586&aid=1043616&group_id=7586

Category: None
Group: None
Status: Open
Resolution: None
Priority: 5
Submitted By: Nobody/Anonymous (nobody)
Assigned to: Nobody/Anonymous (nobody)
Summary: boost::rational documentation typos(?)

Initial Comment:
<http://www.boost.org/libs/rational/
rational.html#Integer%20Type%20Requirements> states:

"I must be an integer-like type, that is the following expressions must 
be valid for any two values n and m of type I, with the "expected" 
semantics.
[...]
n / m (must truncate, and n/m must be positive if n and m are 
positive)"

I doubt that that is what boost::rational requires.

int n = 1;
int m = 3;
int n_over_m = n/m;

if( n_over_m > 0)
{
    std::cout << "all OK\n";
} else {
    std::cout << "Can't use 'int' as base type for boost::rational\n";
}

<http://www.boost.org/libs/rational/rational.html#Constructors> 
states:

"Rationals can be constructed from a pair (numerator, denominator) 
of integers, or a single integer"

I think that the documentation should read:

"Rationals can be constructed from a pair (numerator, denominator) 
of I's, or a single I"

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