Well, I took out one test which wasn't really necessary and realized

it's all working again. Mysterious.

Author: translunar

src/ruby/spec/index_spec.rb

@@ -29,7 +29,7 @@
 
 
 describe Flann::Index do
-  [:byte, :float32, :float64].each do |dtype|
+  [:byte, :int32, :float32, :float64].each do |dtype|
     context dtype.inspect do
       before :each do
         scale = [:byte, :int32, :int64].include?(dtype) ? 255 : 1.0
@@ -44,21 +44,6 @@
       end
 
 
-      context "#build!" do
-        it "builds a kdtree index with block parameters" do
-          scale = [:byte, :int].include?(dtype) ? 255 : 1.0
-
-          @dataset = NMatrix.random([1000,128], dtype: dtype, scale: scale)
-          @testset = NMatrix.random([100,128],  dtype: dtype, scale: scale)
-          @index   = Flann::Index.new(@dataset) do |t|
-            t[:algorithm] = :kdtree
-            t[:trees]     = 4
-          end
-          @index.build!
-        end
-      end
-
-
       context "#nearest_neighbors" do
         it "runs without error" do
           @index.nearest_neighbors @testset, 5