boost/gil
2
0
Fork 0
mirror of https://github.com/boostorg/gil.git synced 2026-02-01 08:32:10 +00:00
Code Issues Projects Releases Wiki Activity

Add explicit conversion of arithmetic result to expected result type

Browse Source 
Fixes warnings due to implicit promotion of operands, then implicit
conversion.
This commit is contained in:
Mateusz Łoskot
2018-09-28 23:37:46 +02:00
parent ed96c9cdf1
commit e4e72b5ee4
1 changed files with 9 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
test/pixel.cpp
View File

@@ -27,10 +27,17 @@ void error_if(bool condition);
struct increment {
template <typename Incrementable> void operator()(Incrementable& x) const { ++x; }
};
struct prev {
struct prev
{
template <typename Subtractable>
typename channel_traits<Subtractable>::value_type operator()(const Subtractable& x) const { return x-1; }
auto operator()(const Subtractable& x) const -> typename channel_traits<Subtractable>::value_type
{
using return_type = typename channel_traits<Subtractable>::value_type;
return static_cast<return_type>(x - 1);
}
};
struct set_to_one{ int operator()() const { return 1; } };
// Construct with two pixel types. They must be compatible and the second must be mutable