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Print out average error on check if there is an error

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This commit is contained in:
Tom Deakin 2016-04-27 11:42:23 +01:00
parent 6225ae90a7
commit 9aa27cd91d
1 changed files with 21 additions and 1 deletions
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20
src/main.cpp
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@ -3,6 +3,7 @@
#include <vector>
#include <numeric>
#include <cmath>
#include <limits>
#include "common.h"
#include "Stream.h"
@ -71,7 +72,26 @@ void check_solution(const unsigned int ntimes, std::vector<T>& a, std::vector<T>
// Calculate the average error
double errA = std::accumulate(a.begin(), a.end(), 0.0, [&](double sum, const T val){ return sum + fabs(val - goldA); });
errA /= a.size();
double errB = std::accumulate(b.begin(), b.end(), 0.0, [&](double sum, const T val){ return sum + fabs(val - goldB); });
errB /= b.size();
double errC = std::accumulate(c.begin(), c.end(), 0.0, [&](double sum, const T val){ return sum + fabs(val - goldC); });
errC /= c.size();
double epsi = std::numeric_limits<T>::epsilon() * 100.0;
if (errA > epsi)
std::cerr
<< "Validation failed on a[]. Average error " << errA
<< std::endl;
if (errB > epsi)
std::cerr
<< "Validation failed on b[]. Average error " << errB
<< std::endl;
if (errC > epsi)
std::cerr
<< "Validation failed on c[]. Average error " << errC
<< std::endl;
}