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Elementwise Unary Functions Source Code
 
# include <cmath>
# include <mat2cpp.hpp>

# define MAT2CPP_ELEMENT_UNARY(mat_f, std_f) \
matrix<double> mat_f \
(const matrix<double> &x) \
{    size_t i, j, m(x.size1()), n(x.size2()); \
     matrix<double> y(m, n); \
     for(i = 0; i < m; i++) \
     {    for(j = 0; j < n; j++) \
               y(i, j) = std::std_f(x(i, j)); \
     } \
     return y; \
}

namespace mat2cpp {
     MAT2CPP_ELEMENT_UNARY(abs, fabs)
     MAT2CPP_ELEMENT_UNARY(log, log)
}

# undef MAT2CPP_ELEMENT_UNARY
Input File: lib/element_unary.cpp