Update to ruby/spec@875a09e

spec/ruby/library/matrix/lup_decomposition/determinant_spec.rb

@@ -13,7 +13,7 @@ describe "Matrix::LUPDecomposition#determinant" do
       Matrix[[7, 8], [14, 46], [28, 82]],
     ].each do |m|
       lup = m.lup
-      lambda {
+      -> {
         lup.determinant
       }.should raise_error(Matrix::ErrDimensionMismatch)
     end

spec/ruby/library/matrix/lup_decomposition/initialize_spec.rb

@@ -3,10 +3,10 @@ require 'matrix'
 
 describe "Matrix::LUPDecomposition#initialize" do
   it "raises an error if argument is not a matrix" do
-    lambda {
+    -> {
       Matrix::LUPDecomposition.new([[]])
     }.should raise_error(TypeError)
-    lambda {
+    -> {
       Matrix::LUPDecomposition.new(42)
     }.should raise_error(TypeError)
   end

spec/ruby/library/matrix/lup_decomposition/solve_spec.rb

@@ -6,7 +6,7 @@ describe "Matrix::LUPDecomposition#solve" do
     it "raises an error for singular matrices" do
       a = Matrix[[1, 2, 3], [1, 3, 5], [2, 5, 8]]
       lu = Matrix::LUPDecomposition.new(a)
-      lambda {
+      -> {
         lu.solve(a)
       }.should raise_error(Matrix::ErrNotRegular)
     end
@@ -31,7 +31,7 @@ describe "Matrix::LUPDecomposition#solve" do
 
       it "raises an error when given a matrix of the wrong size" do
         values = Matrix[[1, 2, 3, 4], [0, 1, 2, 3]]
-        lambda {
+        -> {
           @lu.solve(values)
         }.should raise_error(Matrix::ErrDimensionMismatch)
       end
@@ -44,7 +44,7 @@ describe "Matrix::LUPDecomposition#solve" do
 
       it "raises an error when given a vector of the wrong size" do
         values = Vector[14, 55]
-        lambda {
+        -> {
           @lu.solve(values)
         }.should raise_error(Matrix::ErrDimensionMismatch)
       end