octave-vlfeat 0.9.17+dfsg0-6build1 / usr / share / octave / site / m / vlfeat / toolbox / xtest / vl_test_cummax.m

function results = vl_test_cummax(varargin)
% VL_TEST_CUMMAX
vl_test_init ;

function test_basic()
vl_assert_almost_equal(...
  vl_cummax(1), 1) ;
vl_assert_almost_equal(...
  vl_cummax([1 2 3 4], 2), [1 2 3 4]) ;

function test_multidim()
a = [1 2 3 4 3 2 1] ;
b = [1 2 3 4 4 4 4] ;
for k=1:6
  dims = ones(1,6) ;
  dims(k) = numel(a) ;
  a = reshape(a, dims) ;
  b = reshape(b, dims) ;
  vl_assert_almost_equal(...
    vl_cummax(a, k), b) ;
end

function test_storage_classes()
types = {@double, @single, @int64, @uint64, ...
         @int32, @uint32, @int16, @uint16, ...
         @int8, @uint8} ;
for a = types
  a = a{1} ;
  for b = types
    b = b{1} ;
    vl_assert_almost_equal(...
      vl_cummax(a(eye(3))), a(toeplitz([1 1 1], [1 0 0 ]))) ;
  end
end