public void Cosh()
{
// arrange
const int NumElements = 3;
var targetData = new double[NumElements];
var srcData = new[] { -Math.PI / 2.0, -0.0, -Math.PI / 2.0 };
var target = new DataAndLayout <double>(targetData, new FastAccess(new Layout(new int[] { NumElements }, 0, new int[] { 1 })));
var src = new DataAndLayout <double>(srcData, new FastAccess(new Layout(new int[] { NumElements }, 0, new int[] { 1 })));
// action
ScalarOps.Cosh(target, src);
// assert
const double Epsilon = 1e-8;
Assert.IsTrue(Math.Abs(targetData[0] - 2.5091784786580567) < Epsilon);
Assert.IsTrue(Math.Abs(targetData[1] - 1.0) < Epsilon);
Assert.IsTrue(Math.Abs(targetData[2] - 2.5091784786580567) < Epsilon);
}