MENU
Edit
In Place Editing Advanced Editing

ratio

This header is part of the compile-time rational arithmetic library.

Classes

represents exact rational fraction
(class template)
Arithmetic
(C++11)
 adds two ratio objects at compile-time
(alias template)
(C++11)
 subtracts two ratio objects at compile-time
(alias template)
(C++11)
 multiplies two ratio objects at compile-time
(alias template)
(C++11)
 divides two ratio objects at compile-time
(alias template)
Comparison
(C++11)
 compares two ratio objects for equality at compile-time
(class template)
(C++11)
 compares two ratio objects for inequality at compile-time
(class template)
(C++11)
 compares two ratio objects for less than at compile-time
(class template)
(C++11)
 compares two ratio objects for less than or equal to at compile-time
(class template)
(C++11)
 compares two ratio objects for greater than at compile-time
(class template)
(C++11)
 compares two ratio objects for greater than or equal to at compile-time
(class template)
Constants
yocto std::ratio<1, 1000000000000000000000000>, if std::intmax_t can represent the denominator
zepto std::ratio<1, 1000000000000000000000>, if std::intmax_t can represent the denominator
atto std::ratio<1, 1000000000000000000>
femto std::ratio<1, 1000000000000000>
pico std::ratio<1, 1000000000000>
nano std::ratio<1, 1000000000>
micro std::ratio<1, 1000000>
milli std::ratio<1, 1000>
centi std::ratio<1, 100>
deci std::ratio<1, 10>
deca std::ratio<10, 1>
hecto std::ratio<100, 1>
kilo std::ratio<1000, 1>
mega std::ratio<1000000, 1>
giga std::ratio<1000000000, 1>
tera std::ratio<1000000000000, 1>
peta std::ratio<1000000000000000, 1>
exa std::ratio<1000000000000000000, 1>
zetta std::ratio<1000000000000000000000, 1>, if std::intmax_t can represent the numerator
yotta std::ratio<1000000000000000000000000, 1>, if std::intmax_t can represent the numerator
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
namespace std {
  
    //class template ratio
    template <intmax_t N, intmax_t D = 1>
    class ratio {
    public:
        typedef ratio<num, den> type;
        static constexpr intmax_t num;
        static constexpr intmax_t den;
    };
  
  
    // ratio arithmetic           
    template <class R1, class   R2> using   ratio_add      = /*ratio*/;
    template <class R1, class   R2> using   ratio_subtract = /*ratio*/;
    template <class R1, class   R2> using   ratio_multiply = /*ratio*/;
    template <class R1, class   R2> using   ratio_divide   = /*ratio*/;
  
    // ratio comparison           
    template <class R1, class R2> struct ratio_equal;          
    template <class R1, class R2> struct ratio_not_equal;          
    template <class R1, class R2> struct ratio_less;     
    template <class R1, class R2> struct ratio_less_equal;         
    template <class R1, class R2> struct ratio_greater;        
    template <class R1, class R2> struct ratio_greater_equal; 
  
    // convenience SI typedefs        
    typedef ratio<1, 1000000000000000000000000> yocto;
    typedef ratio<1,    1000000000000000000000> zepto;
    typedef ratio<1,       1000000000000000000> atto;  
    typedef ratio<1,          1000000000000000> femto; 
    typedef ratio<1,             1000000000000> pico;  
    typedef ratio<1,                1000000000> nano;  
    typedef ratio<1,                   1000000> micro; 
    typedef ratio<1,                      1000> milli; 
    typedef ratio<1,                       100> centi; 
    typedef ratio<1,                        10> deci;  
    typedef ratio<                       10, 1> deca;  
    typedef ratio<                      100, 1> hecto; 
    typedef ratio<                     1000, 1> kilo;  
    typedef ratio<                  1000000, 1> mega;  
    typedef ratio<               1000000000, 1> giga;  
    typedef ratio<            1000000000000, 1> tera;  
    typedef ratio<         1000000000000000, 1> peta;  
    typedef ratio<      1000000000000000000, 1> exa;   
    typedef ratio<   1000000000000000000000, 1> zetta;
    typedef ratio<1000000000000000000000000, 1> yotta;
  
}
doc_CPP
doc_CPP
2025-01-10 15:47:30
Comments
Leave a Comment

Please login to continue.