exp_2: Test

exp_2.cpp

Headings

@(@\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_2: Test

# include <cmath>           // define fabs function
# include "exp_2.hpp"       // definition of exp_2 algorithm
bool exp_2(void)
{     double x     = .5;
     double check = 1 + x + x * x / 2.;
     bool   ok    = std::fabs( exp_2(x) - check ) <= 1e-10;
     return ok;
}

Input File: introduction/exp_2.omh