c++ Programming Glossary: comparator

http://stackoverflow.com/questions/1102392/stl-maps-with-user-defined-objects

operator for your class actually. You can also make a comparator function object class for it and use that to specialize std..

SWIG : Unable to access constructor with double pointer

http://stackoverflow.com/questions/13392512/swig-unable-to-access-constructor-with-double-pointer

Item dcomplex item_type typedef ItemComparator dcomplex comparator typedef std set item_type comparator grade_type private int.. dcomplex comparator typedef std set item_type comparator grade_type private int n_ std vector grade_type grade_ std vector..

Sorting a std::map by value before output & destroy

http://stackoverflow.com/questions/1367429/sorting-a-stdmap-by-value-before-output-destroy

this. Then use std partial_sort on the vector. Specify a comparator to partial_sort which compares pairs by just comparing the value.. which ones you get. You can control this by having your comparator look at the string too in cases where the integers are equal...

C++ sorting and keeping track of indexes

http://stackoverflow.com/questions/1577475/c-sorting-and-keeping-track-of-indexes

original data second int is original index. Then supply a comparator that only sorts on the first int. Example Your problem instance.. v_prime 5 0 8 1 7 2 Sort the new problem instance using a comparator like typedef std pair int int mypair bool comparator const mypair.. a comparator like typedef std pair int int mypair bool comparator const mypair l const mypair r return l.first r.first forgetting..

Making map::find operation case insensitive

http://stackoverflow.com/questions/1801892/making-mapfind-operation-case-insensitive

It does not by default. You will have to provide a custom comparator as a third argument. Following snippet will help you... ..

problem sorting using member function as comparator

http://stackoverflow.com/questions/1902311/problem-sorting-using-member-function-as-comparator

sorting using member function as comparator trying to compile the following code I get this compile error..

Using custom std::set comparator

http://stackoverflow.com/questions/2620862/using-custom-stdset-comparator

custom std set comparator I am trying to change the default order of the items in a set..

Are IEEE floats valid key types for std::map and std::set?

http://stackoverflow.com/questions/4816156/are-ieee-floats-valid-key-types-for-stdmap-and-stdset

for std map and std set Background The requirement for a comparator on the key type of an associative container for example std.. weak order on the elements of the key type. For a given comparator comp x y we define equiv x y comp x y comp y x . The requirements.. b and equiv b c then equiv a c std less float the default comparator uses operator which does not create a strict weak order because..

How to map a bool to a 3d point struct with std::map?

http://stackoverflow.com/questions/6109445/how-to-map-a-bool-to-a-3d-point-struct-with-stdmap

if y other.y return y other.y return z other.z It's like a comparator for just x but with the difference that if the two x s are the..

std::lower_bound slower for std::vector than std::map::find

http://stackoverflow.com/questions/8784732/stdlower-bound-slower-for-stdvector-than-stdmapfind

somewhat at a disadvantage. If you are checking the comparator now you probably don't see it because it looks as if this comparator.. now you probably don't see it because it looks as if this comparator is passing by reference The issue is actually rather subtle.. has a value_type of std pair key_type mapped_type but the comparator is taking std pair key_type const mapped_type as argument Fixing..