misc.h

#ifndef LIBFASTER_MISC_H
#define LIBFASTER_MISC_H

#define FDD_TYPE_NULL   0x00
#define FDD_TYPE_INT    0x01

#include <typeinfo>
#include <string>
#include <math.h>

#include "definitions.h"

namespace faster{

    class procstat{
        public:
            double ram;
            long unsigned utime;
            long unsigned stime;
    };

    procstat getProcStat();

    fddType decodeType(size_t typeCode);
    
    const std::string decodeOptype(fddOpType op);
    const std::string decodeOptypeAb(fddOpType op);

    template < typename T >
    double mean(std::vector<T> v){
        T sum = 0;
        for ( size_t i = 0; i < v.size(); ++i)
            sum += v[i];

        return sum/(double)(v.size());
    }

    template < typename T >
    double max(std::vector<T> v){
        T m = v[0];
        for ( size_t i = 1; i < v.size(); ++i)
            m = std::max( m, v[i] );

        return m;
    }

    template < typename T >
    double sum(std::vector<T> v){
        T sum = 0;
        for ( size_t i = 0; i < v.size(); ++i)
            sum += v[i];

        return sum;
    }

    template < typename T >
    double stdDev(std::vector<T> v, double mean){
        double sum = 0;
        for ( size_t i = 0; i < v.size(); ++i)
            sum += pow(v[i] - (double) mean, 2);

        return ( sqrt( sum/(v.size() - 1) ) );
    }
}

#endif