All_of, any_of, none_of

• Include <mln/core/algorithm/all_of.hpp>

• Include <mln/core/algorithm/any_of.hpp>

• Include <mln/core/algorithm/none_of.hpp>

1. bool all_of(InputImage ima, std::UnaryPredicate p)
   

2. bool all_of(InputImage ima)
   

3. bool any_of(InputImage ima, std::UnaryPredicate p)
   

4. bool any_of(InputImage ima)
   

5. bool none_of(InputImage ima, std::UnaryPredicate p)
   

6. bool none_of(InputImage ima)
   

   • 1,3,5) Checks that all, any or none of the image values verify the preficate

   • 2,4,6) Checks that all, any or none of the image values evaluate to true

   Parameters:

   • ima – The image to test

   • p – The unary predicate that will be applied on values

   Template Parameters:

   • InputImage – A model of InputImage

   • std::UnaryPredicate – A model of std::UnaryPredicate

   Returns:

   True or false

Examples

1. Check that all values are non-negative:

   mln::image2d<uint8_t> f = ...;
   bool res1 = mln::all_of(f, [](uint8_t x) { x > 0; }); // Version 1
   bool res2 = mln::all_of(f > 0);
   

Complexity

Linear in the number of pixels.