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-rw-r--r--tests/BS23.cpp2
-rw-r--r--tests/CK45.cpp2
-rw-r--r--tests/Complex.cpp63
-rw-r--r--tests/DP45.cpp2
-rw-r--r--tests/EquationSystem.cpp2
-rw-r--r--tests/Euler.cpp2
-rw-r--r--tests/HE12.cpp2
-rw-r--r--tests/Heun.cpp2
-rw-r--r--tests/Makefile.am4
-rw-r--r--tests/Midpoint.cpp2
-rw-r--r--tests/RK4.cpp2
-rw-r--r--tests/RKF45.cpp2
-rw-r--r--tests/Vector.cpp2
13 files changed, 77 insertions, 12 deletions
diff --git a/tests/BS23.cpp b/tests/BS23.cpp
index cdd2b9a..c2eb345 100644
--- a/tests/BS23.cpp
+++ b/tests/BS23.cpp
@@ -51,7 +51,7 @@ main()
<< "Iterations: " << integrator.iterations() << std::endl
<< "Rejections: " << integrator.rejections() << std::endl;
- double error = std::fabs(expected - actual)/expected;
+ double error = std::abs(expected - actual)/expected;
if (error > 4.8e-6) {
std::cerr << "Error: " << 100.0*error << "%" << std::endl;
return EXIT_FAILURE;
diff --git a/tests/CK45.cpp b/tests/CK45.cpp
index 62f4870..c040436 100644
--- a/tests/CK45.cpp
+++ b/tests/CK45.cpp
@@ -51,7 +51,7 @@ main()
<< "Iterations: " << integrator.iterations() << std::endl
<< "Rejections: " << integrator.rejections() << std::endl;
- double error = std::fabs(expected - actual)/expected;
+ double error = std::abs(expected - actual)/expected;
if (error > 2.7e-6) {
std::cerr << "Error: " << 100.0*error << "%" << std::endl;
return EXIT_FAILURE;
diff --git a/tests/Complex.cpp b/tests/Complex.cpp
new file mode 100644
index 0000000..df517b0
--- /dev/null
+++ b/tests/Complex.cpp
@@ -0,0 +1,63 @@
+/*************************************************************************
+ * Copyright (C) 2010 Tavian Barnes <tavianator@gmail.com> *
+ * *
+ * This file is part of The vZ Test Suite. *
+ * *
+ * The vZ Test Suite is free software; you can redistribute it and/or *
+ * modify it under the terms of the GNU General Public License as *
+ * published by the Free Software Foundation; either version 3 of the *
+ * License, or (at your option) any later version. *
+ * *
+ * The vZ Test Suite is distributed in the hope that it will be useful, *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
+ * General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program. If not, see <http://www.gnu.org/licenses/>. *
+ *************************************************************************/
+
+#include "vZ.hpp"
+#include <complex>
+#include <cmath>
+#include <cstdlib>
+#include <iostream>
+#include <iomanip>
+
+// y' = -y (y == C*exp(t))
+std::complex<double>
+f(double t, std::complex<double> y)
+{
+ return y;
+}
+
+int
+main()
+{
+ vZ::GenericDP45Integrator<std::complex<double> > integrator(f);
+ integrator.tol(1e-6)
+ .y(std::complex<double>(1.0, 0.0))
+ .x(0.0)
+ .h(0.06);
+
+ integrator.integrate(2.0);
+
+ std::complex<double> actual = integrator.y();
+ std::complex<double> expected(std::exp(2.0), 0.0);
+
+ std::cout << std::setprecision(10)
+ << "Numerical: " << actual << std::endl
+ << "Expected: " << expected << std::endl
+ << "h: " << integrator.h() << std::endl
+ << "Iterations: " << integrator.iterations() << std::endl
+ << "Rejections: " << integrator.rejections() << std::endl;
+
+ double error = std::abs(expected - actual)/std::abs(expected);
+ if (error > 6.0e-7) {
+ std::cerr << "Error: " << 100.0*error << "%" << std::endl;
+ return EXIT_FAILURE;
+ } else {
+ std::cout << "Error: " << 100.0*error << "%" << std::endl;
+ return EXIT_SUCCESS;
+ }
+}
diff --git a/tests/DP45.cpp b/tests/DP45.cpp
index 5d6cb43..12c3202 100644
--- a/tests/DP45.cpp
+++ b/tests/DP45.cpp
@@ -51,7 +51,7 @@ main()
<< "Iterations: " << integrator.iterations() << std::endl
<< "Rejections: " << integrator.rejections() << std::endl;
- double error = std::fabs(expected - actual)/expected;
+ double error = std::abs(expected - actual)/expected;
if (error > 6.0e-7) {
std::cerr << "Error: " << 100.0*error << "%" << std::endl;
return EXIT_FAILURE;
diff --git a/tests/EquationSystem.cpp b/tests/EquationSystem.cpp
index b1fed00..0a929aa 100644
--- a/tests/EquationSystem.cpp
+++ b/tests/EquationSystem.cpp
@@ -59,7 +59,7 @@ main()
<< "Iterations: " << integrator.iterations() << std::endl
<< "Rejections: " << integrator.rejections() << std::endl;
- double error = std::fabs(expected - actual)/expected;
+ double error = std::abs(expected - actual)/expected;
if (error > 6.0e-7) {
std::cerr << "Error: " << 100.0*error << "%" << std::endl;
return EXIT_FAILURE;
diff --git a/tests/Euler.cpp b/tests/Euler.cpp
index d5de734..fa2d97c 100644
--- a/tests/Euler.cpp
+++ b/tests/Euler.cpp
@@ -48,7 +48,7 @@ main()
<< "Expected: " << expected << std::endl
<< "Iterations: " << integrator.iterations() << std::endl;
- double error = std::fabs(expected - actual)/expected;
+ double error = std::abs(expected - actual)/expected;
if (error > 0.01) {
std::cerr << "Error: " << 100.0*error << "%" << std::endl;
return EXIT_FAILURE;
diff --git a/tests/HE12.cpp b/tests/HE12.cpp
index 20b37f2..fd2fb56 100644
--- a/tests/HE12.cpp
+++ b/tests/HE12.cpp
@@ -51,7 +51,7 @@ main()
<< "Iterations: " << integrator.iterations() << std::endl
<< "Rejections: " << integrator.rejections() << std::endl;
- double error = std::fabs(expected - actual)/expected;
+ double error = std::abs(expected - actual)/expected;
if (error > 8.7e-7) {
std::cerr << "Error: " << 100.0*error << "%" << std::endl;
return EXIT_FAILURE;
diff --git a/tests/Heun.cpp b/tests/Heun.cpp
index 739a42f..d9e4cbe 100644
--- a/tests/Heun.cpp
+++ b/tests/Heun.cpp
@@ -48,7 +48,7 @@ main()
<< "Expected: " << expected << std::endl
<< "Iterations: " << integrator.iterations() << std::endl;
- double error = std::fabs(expected - actual)/expected;
+ double error = std::abs(expected - actual)/expected;
if (error > 1.4e-4) {
std::cerr << "Error: " << 100.0*error << "%" << std::endl;
return EXIT_FAILURE;
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 2091b15..52e3064 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -30,7 +30,8 @@ check_PROGRAMS = Euler-test \
DP45-test \
Vector-test \
EquationSystem-test \
- EquationSystem-Vector-test
+ EquationSystem-Vector-test \
+ Complex-test
TESTS = $(check_PROGRAMS)
Euler_test_SOURCES = Euler.cpp
@@ -45,3 +46,4 @@ DP45_test_SOURCES = DP45.cpp
Vector_test_SOURCES = Vector.cpp
EquationSystem_test_SOURCES = EquationSystem.cpp
EquationSystem_Vector_test_SOURCES = EquationSystem-Vector.cpp
+Complex_test_SOURCES = Complex.cpp
diff --git a/tests/Midpoint.cpp b/tests/Midpoint.cpp
index 385adc4..f667ca5 100644
--- a/tests/Midpoint.cpp
+++ b/tests/Midpoint.cpp
@@ -48,7 +48,7 @@ main()
<< "Expected: " << expected << std::endl
<< "Iterations: " << integrator.iterations() << std::endl;
- double error = std::fabs(expected - actual)/expected;
+ double error = std::abs(expected - actual)/expected;
if (error > 1.4e-4) {
std::cerr << "Error: " << 100.0*error << "%" << std::endl;
return EXIT_FAILURE;
diff --git a/tests/RK4.cpp b/tests/RK4.cpp
index 8e2f43e..75ec46a 100644
--- a/tests/RK4.cpp
+++ b/tests/RK4.cpp
@@ -48,7 +48,7 @@ main()
<< "Expected: " << expected << std::endl
<< "Iterations: " << integrator.iterations() << std::endl;
- double error = std::fabs(expected - actual)/expected;
+ double error = std::abs(expected - actual)/expected;
if (error > 4.2e-8) {
std::cerr << "Error: " << 100.0*error << "%" << std::endl;
return EXIT_FAILURE;
diff --git a/tests/RKF45.cpp b/tests/RKF45.cpp
index 61f7949..59bad82 100644
--- a/tests/RKF45.cpp
+++ b/tests/RKF45.cpp
@@ -51,7 +51,7 @@ main()
<< "Iterations: " << integrator.iterations() << std::endl
<< "Rejections: " << integrator.rejections() << std::endl;
- double error = std::fabs(expected - actual)/expected;
+ double error = std::abs(expected - actual)/expected;
if (error > 1.7e-6) {
std::cerr << "Error: " << 100.0*error << "%" << std::endl;
return EXIT_FAILURE;
diff --git a/tests/Vector.cpp b/tests/Vector.cpp
index e1ef4dd..e3b660c 100644
--- a/tests/Vector.cpp
+++ b/tests/Vector.cpp
@@ -51,7 +51,7 @@ main()
<< "Iterations: " << integrator.iterations() << std::endl
<< "Rejections: " << integrator.rejections() << std::endl;
- double error = std::fabs(expected - actual)/expected;
+ double error = std::abs(expected - actual)/expected;
if (error > 1.5e-6) {
std::cerr << "Error: " << 100.0*error << "%" << std::endl;
return EXIT_FAILURE;
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-22 12:13:48 +0000