示例#1
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 public void ComplexSinSinh()
 {
     foreach (Complex x in TestUtilities.GenerateComplexValues(1.0E-2, 1.0E2, 10))
     {
         Assert.IsTrue(TestUtilities.IsNearlyEqual(ComplexMath.Sinh(x), -ComplexMath.I * ComplexMath.Sin(ComplexMath.I * x)));
         Assert.IsTrue(TestUtilities.IsNearlyEqual(ComplexMath.I * ComplexMath.Sinh(-ComplexMath.I * x), ComplexMath.Sin(x)));
     }
 }
示例#2
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 public void ComplexSinhCoshRelation()
 {
     foreach (Complex z in TestUtilities.GenerateComplexValues(1.0E-2, 1.0E2, 10))
     {
         Complex sinh = ComplexMath.Sinh(z);
         Complex cosh = ComplexMath.Cosh(z);
         Assert.IsTrue(TestUtilities.IsSumNearlyEqual(cosh * cosh, -sinh * sinh, 1));
     }
 }
示例#3
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 public void ComplexSinSinh()
 {
     foreach (Complex z in TestUtilities.GenerateComplexValues(1.0E-3, 1.0E3, 16))
     {
         // Since sin(z) and cos(z) have factors that go like e^{\pm Im(z)}, they will blow up if the imaginary
         // part of z gets too big. We just skip over those problematic values.
         if (Math.Abs(z.Im) > Math.Log(Double.MaxValue) / 2.0)
         {
             continue;
         }
         Assert.IsTrue(TestUtilities.IsNearlyEqual(ComplexMath.Sinh(z), -ComplexMath.I * ComplexMath.Sin(ComplexMath.I * z)));
         Assert.IsTrue(TestUtilities.IsNearlyEqual(ComplexMath.I * ComplexMath.Sinh(-ComplexMath.I * z), ComplexMath.Sin(z)));
     }
 }
示例#4
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 public void ComplexHyperbolicTrigExtremeValues()
 {
     Assert.IsTrue(Complex.IsNaN(ComplexMath.Sinh(Double.NaN)));
     Assert.IsTrue(Complex.IsNaN(ComplexMath.Cosh(Double.NaN)));
     Assert.IsTrue(Complex.IsNaN(ComplexMath.Tanh(Double.NaN)));
 }