| #include <gtest/gtest.h> |
| #include <Base/DualNumber.h> |
|
|
| TEST(DualNumber, TestDefault) |
| { |
| Base::DualNumber dn; |
| EXPECT_EQ(dn.re, 0.0); |
| EXPECT_EQ(dn.du, 0.0); |
| } |
|
|
| TEST(DualNumber, TestNonDefault) |
| { |
| Base::DualNumber dn(1.0); |
| EXPECT_EQ(dn.re, 1.0); |
| EXPECT_EQ(dn.du, 0.0); |
|
|
| Base::DualNumber dn2(1.0, 2.0); |
| EXPECT_EQ(dn2.re, 1.0); |
| EXPECT_EQ(dn2.du, 2.0); |
| } |
|
|
| TEST(DualNumber, TestNegate) |
| { |
| Base::DualNumber dn(-Base::DualNumber(1.0, 2.0)); |
| EXPECT_EQ(dn.re, -1.0); |
| EXPECT_EQ(dn.du, -2.0); |
| } |
|
|
| TEST(DualNumber, TestPlus) |
| { |
| Base::DualNumber dn1(1.0, 2.0); |
| Base::DualNumber dn2(2.0, -1.0); |
|
|
| Base::DualNumber dn3 = dn1 + dn2; |
| EXPECT_EQ(dn3.re, 3.0); |
| EXPECT_EQ(dn3.du, 1.0); |
|
|
| Base::DualNumber dn4 = dn1 + 2.0; |
| EXPECT_EQ(dn4.re, 3.0); |
| EXPECT_EQ(dn4.du, 2.0); |
|
|
| Base::DualNumber dn5 = 2.0 + dn1; |
| EXPECT_EQ(dn5.re, 3.0); |
| EXPECT_EQ(dn5.du, 2.0); |
| } |
|
|
| TEST(DualNumber, TestMinus) |
| { |
| Base::DualNumber dn1(1.0, 2.0); |
| Base::DualNumber dn2(2.0, -1.0); |
|
|
| Base::DualNumber dn3 = dn1 - dn2; |
| EXPECT_EQ(dn3.re, -1.0); |
| EXPECT_EQ(dn3.du, 3.0); |
|
|
| Base::DualNumber dn4 = dn1 - 2.0; |
| EXPECT_EQ(dn4.re, -1.0); |
| EXPECT_EQ(dn4.du, 2.0); |
|
|
| Base::DualNumber dn5 = 2.0 - dn1; |
| EXPECT_EQ(dn5.re, 1.0); |
| EXPECT_EQ(dn5.du, -2.0); |
| } |
|
|
| TEST(DualNumber, TestMultiply) |
| { |
| Base::DualNumber dn1(1.0, 2.0); |
| Base::DualNumber dn2(2.0, -1.0); |
|
|
| Base::DualNumber dn3 = dn1 * dn2; |
| EXPECT_EQ(dn3.re, 2.0); |
| EXPECT_EQ(dn3.du, 3.0); |
|
|
| Base::DualNumber dn4 = dn1 * 2.0; |
| EXPECT_EQ(dn4.re, 2.0); |
| EXPECT_EQ(dn4.du, 4.0); |
|
|
| Base::DualNumber dn5 = 2.0 * dn1; |
| EXPECT_EQ(dn5.re, 2.0); |
| EXPECT_EQ(dn5.du, 4.0); |
| } |
|
|
| TEST(DualNumber, TestDivide) |
| { |
| Base::DualNumber dn1(1.0, 2.0); |
| Base::DualNumber dn2(2.0, -1.0); |
|
|
| Base::DualNumber dn3 = dn1 / dn2; |
| EXPECT_EQ(dn3.re, 0.5); |
| EXPECT_EQ(dn3.du, 1.25); |
|
|
| Base::DualNumber dn4 = dn1 / 2.0; |
| EXPECT_EQ(dn4.re, 0.5); |
| EXPECT_EQ(dn4.du, 1.0); |
| } |
|
|
| TEST(DualNumber, TestPow) |
| { |
| Base::DualNumber dn1(3.0, 2.0); |
| Base::DualNumber dn2 = Base::pow(dn1, 2.0); |
| EXPECT_EQ(dn2.re, 9.0); |
| EXPECT_EQ(dn2.du, 12.0); |
| } |
|
|
