correct test for sinh

Author: prasunanand

test/arith_test.rb

@@ -6,7 +6,9 @@ def setup
  @a = ArrayFire::Af_Array.new 2, [2,2],[1,2,3,4]
  @b = ArrayFire::Af_Array.new 2, [2,2],[2,4,6,8]
  @elements = [10, -11, 48, 21, 65, 0, 1, -7, 112]
+ @elements_h = [1, -1, 0, 1, 1, 0.4, -0.7, 1, 0.9]
  @af_array = ArrayFire::Af_Array.new 2, [3,3], @elements
+ @af_array_h = ArrayFire::Af_Array.new 2, [3,3], @elements_h
  end
 
  def test_addition
@@ -28,12 +30,20 @@ def test_division
  assert_equal c, @b / @a
  end
 
- [:sin, :cos, :tan, :sinh, :cosh, :tanh].each do |method|
+ [:sin, :cos, :tan].each do |method|
  define_method("test_#{method}") do
  x = @elements.map{ |e| Math.send(method, e) }
  res_arr = ArrayFire::Af_Array.new 2, [3,3], x
  assert res_arr.approx_equal @af_array.send method
  end
  end
 
+ [:sinh, :cosh, :tanh].each do |method|
+ define_method("test_#{method}") do
+ x = @elements_h.map{ |e| Math.send(method, e) }
+ res_arr = ArrayFire::Af_Array.new 2, [3,3], x
+ assert res_arr.approx_equal @af_array_h.send method
+ end
+ end
+
 end