Log.cpp

#include "GPSymbRegEvalOp.h"
 
#include "Log.h"
#include <cmath>
 
namespace Tree {
namespace Primitives {
 
Log::Log(void)
{
    nArguments_ = 1;
    name_ = "log";
}
 
 
Log::~Log(void)
{   }
 
 
void Log::execute(void* result, Tree &tree)
{
    double& arg = *(double*)result;
    getNextArgument(&arg, tree);
    if (arg > 0) {
        arg = log10(arg);
    } else {
        arg = 0;
    }
}
 
}
}