\(\newcommand{\W}[1]{ \; #1 \; }\) \(\newcommand{\R}[1]{ {\rm #1} }\) \(\newcommand{\B}[1]{ {\bf #1} }\) \(\newcommand{\D}[2]{ \frac{\partial #1}{\partial #2} }\) \(\newcommand{\DD}[3]{ \frac{\partial^2 #1}{\partial #2 \partial #3} }\) \(\newcommand{\Dpow}[2]{ \frac{\partial^{#1}}{\partial {#2}^{#1}} }\) \(\newcommand{\dpow}[2]{ \frac{ {\rm d}^{#1}}{{\rm d}\, {#2}^{#1}} }\)

uniform_01.hpp

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Source: uniform_01

# ifndef CPPAD_UNIFORM_01_HPP

# define CPPAD_UNIFORM_01_HPP

# include <cstdlib>

namespace CppAD {
    inline void uniform_01(size_t seed)
    {   std::srand( (unsigned int) seed); }

    template <class Vector>
    void uniform_01(size_t n, Vector &x)
    {   static double factor = 1. / double(RAND_MAX);
        while(n--)
            x[n] = std::rand() * factor;
    }
}

# endif