printf_vector.h

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/* +------------------------------------------------------------------------+
   |                     Mobile Robot Programming Toolkit (MRPT)            |
   |                          http://www.mrpt.org/                          |
   |                                                                        |
   | Copyright (c) 2005-2018, Individual contributors, see AUTHORS file     |
   | See: http://www.mrpt.org/Authors - All rights reserved.                |
   | Released under BSD License. See details in http://www.mrpt.org/License |
   +------------------------------------------------------------------------+ */
#pragma once
 
#include <mrpt/math/eigen_frwds.h>
#include <string>
#include <vector>
#include <cstdio>
 
namespace mrpt
{
namespace containers
{
/** \addtogroup
 * @{ */
 
/** Generates a string for a vector in the format [A,B,C,...] to std::cout, and
 * the fmt string for <b>each</b> vector element. */
template <typename T>
std::string sprintf_vector(const char* fmt, const std::vector<T>& V)
{
        std::string ret = "[";
        const size_t N = V.size();
        for (size_t i = 0; i < N; i++)
        {
                ret += format(fmt, V[i]);
                if (i != (N - 1)) ret += ",";
        }
        ret += "]";
        return ret;
}
/// @overload
template <typename Derived>
std::string sprintf_vector(const char* fmt, const Eigen::MatrixBase<Derived>& V)
{
        std::string ret = "[";
        const size_t N = V.size();
        for (size_t i = 0; i < N; i++)
        {
                ret += format(fmt, V[i]);
                if (i != (N - 1)) ret += ",";
        }
        ret += "]";
        return ret;
}
 
/** Prints a vector in the format [A,B,C,...] to std::cout, and the fmt string
 * for <b>each</b> vector element. */
template <typename T>
void printf_vector(const char* fmt, const std::vector<T>& V)
{
        ::fputs(sprintf_vector(fmt, V).c_str(), stdout);
}
 
/** @} */  // end of grouping
}  // namespace containers
}  // namespace mrpt