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// SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-or-later
// SPDX-FileCopyrightText: Bradley M. Bell <bradbell@seanet.com>
// SPDX-FileContributor: 2003-22 Bradley M. Bell
// ----------------------------------------------------------------------------
/*
{xrst_begin exp_2_for0.cpp}
exp_2: Verify Zero Order Forward Sweep
######################################
{xrst_spell_off}
{xrst_code cpp} */
# include <cmath> // for fabs function
bool exp_2_for0(double *v0) // double v0[6]
{ bool ok = true;
double x = .5;
v0[1] = x; // v1 = x
ok &= std::fabs( v0[1] - 0.5) < 1e-10;
v0[2] = 1. + v0[1]; // v2 = 1 + v1
ok &= std::fabs( v0[2] - 1.5) < 1e-10;
v0[3] = v0[1] * v0[1]; // v3 = v1 * v1
ok &= std::fabs( v0[3] - 0.25) < 1e-10;
v0[4] = v0[3] / 2.; // v4 = v3 / 2
ok &= std::fabs( v0[4] - 0.125) < 1e-10;
v0[5] = v0[2] + v0[4]; // v5 = v2 + v4
ok &= std::fabs( v0[5] - 1.625) < 1e-10;
return ok;
}
bool exp_2_for0(void)
{ double v0[6];
return exp_2_for0(v0);
}
/* {xrst_code}
{xrst_spell_on}
{xrst_end exp_2_for0.cpp}
*/
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