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

exp_apx.cpp

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Correctness Tests For Exponential Approximation in Introduction

Running Tests

To build this program and run its correctness tests see cmake_check .

Source

// system include files used for I/O
# include <iostream>

// memory allocation routine
# include <cppad/utility/thread_alloc.hpp>

// test runner
# include <cppad/utility/test_boolofvoid.hpp>

// external complied tests
extern bool exp_2(void);
extern bool exp_2_cppad(void);
extern bool exp_2_for1(void);
extern bool exp_2_for2(void);
extern bool exp_2_rev1(void);
extern bool exp_2_rev2(void);
extern bool exp_2_for0(void);
extern bool exp_eps(void);
extern bool exp_eps_cppad(void);
extern bool exp_eps_for1(void);
extern bool exp_eps_for2(void);
extern bool exp_eps_for0(void);
extern bool exp_eps_rev1(void);
extern bool exp_eps_rev2(void);

// main program that runs all the tests
int main(void)
{   std::string group = "introduction";
    size_t      width = 20;
    CppAD::test_boolofvoid Run(group, width);

    // This comment is used by OneTest

    // external compiled tests
    Run( exp_2,           "exp_2"          );
    Run( exp_2_cppad,     "exp_2_cppad"    );
    Run( exp_2_for0,      "exp_2_for0"     );
    Run( exp_2_for1,      "exp_2_for1"     );
    Run( exp_2_for2,      "exp_2_for2"     );
    Run( exp_2_rev1,      "exp_2_rev1"     );
    Run( exp_2_rev2,      "exp_2_rev2"     );
    Run( exp_eps,         "exp_eps"        );
    Run( exp_eps_cppad,   "exp_eps_cppad"  );
    Run( exp_eps_for0,    "exp_eps_for0"   );
    Run( exp_eps_for1,    "exp_eps_for1"   );
    Run( exp_eps_for2,    "exp_eps_for2"   );
    Run( exp_eps_rev1,    "exp_eps_rev1"   );
    Run( exp_eps_rev2,    "exp_eps_rev2"   );
    //
    // check for memory leak
    bool memory_ok = CppAD::thread_alloc::free_all();
    // print summary at end
    bool ok = Run.summary(memory_ok);
    //
    return static_cast<int>( ! ok );
}