diff options
Diffstat (limited to 'gcc/testsuite/g++.old-deja/g++.robertl/eb120.C')
-rw-r--r-- | gcc/testsuite/g++.old-deja/g++.robertl/eb120.C | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.old-deja/g++.robertl/eb120.C b/gcc/testsuite/g++.old-deja/g++.robertl/eb120.C new file mode 100644 index 000000000..b261802b9 --- /dev/null +++ b/gcc/testsuite/g++.old-deja/g++.robertl/eb120.C @@ -0,0 +1,23 @@ +// { dg-do run } +template<double functionToIntegrate(double)> +double integrate(double a, double b, int numSamplePoints) +{ + // PRECONDITION(numSamplePoints > 1); + double delta = (b-a) / (numSamplePoints-1); + double sum = 0.; + for (int i=0; i < numSamplePoints; ++i) + sum += functionToIntegrate(a + i*delta); + return sum * (b-a) / numSamplePoints; +} + +inline double myFunction(double x) +{ + return 1 / (1 + x); +} + +// Example use +int main() { +double z = integrate<myFunction>(0.0, 1.0, 50); + return 0 ; +} + |