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// test_coords.cc -- test driver for coordinate systems/conversions
// $Header$
#include <stdio.h>
#include <assert.h>
#include <math.h>
#include <string.h>
#ifdef STANDALONE_TEST
#include "fake_cctk.h"
#else
#include "cctk.h"
#endif
#include "config.h"
#include "stdc.h"
#include "../jtutil/util.hh"
using jtutil::error_exit;
using jtutil::radians_of_degrees;
using jtutil::degrees_of_radians;
#include "coords.hh"
using namespace AHFinderDirect;
using namespace local_coords;
//******************************************************************************
//
// This program is a test driver for the local_coords:: coordinate-conversion
// functions. See the help message below for details.
//
int main(int argc, const char* argv[])
{
const char* help_msg =
"Usage:\n"
"n.b. all angles are input/output in degrees!\n"
" test_coords [ r=number ] [ theta=number ]\n"
" [ mu=number ] [ nu=number ] [ phi=number ]\n"
" [ x=number ] [ y=number ] [ z=number ]\n"
;
//
// ***** command line arguments *****
//
if ( (argc == 1)
|| ((argc == 2) && STRING_EQUAL(argv[1], "--help")) )
then {
printf("%s", help_msg);
return 0; /*NOTREACHED*/
}
fp r, theta;
fp mu, nu, phi;
fp x, y, z;
fp dtheta;
fp dmu, dnu, dphi;
bool r_flag = false, theta_flag = false;
bool mu_flag = false, nu_flag = false, phi_flag = false;
bool x_flag = false, y_flag = false, z_flag = false;
for (int ap = 1 ; ap < argc ; ++ap)
{
if (sscanf(argv[ap], "r=" FP_SCANF_FORMAT, &r) == 1)
then r_flag = true;
else if (sscanf(argv[ap], "theta=" FP_SCANF_FORMAT, &dtheta) == 1)
then {
theta = radians_of_degrees(dtheta);
theta_flag = true;
}
else if (sscanf(argv[ap], "mu=" FP_SCANF_FORMAT, &dmu) == 1)
then {
mu = radians_of_degrees(dmu);
mu_flag = true;
}
else if (sscanf(argv[ap], "nu=" FP_SCANF_FORMAT, &dnu) == 1)
then {
nu = radians_of_degrees(dnu);
nu_flag = true;
}
else if (sscanf(argv[ap], "phi=" FP_SCANF_FORMAT, &dphi) == 1)
then {
phi = radians_of_degrees(dphi);
phi_flag = true;
}
else if (sscanf(argv[ap], "x=" FP_SCANF_FORMAT, &x) == 1)
then x_flag = true;
else if (sscanf(argv[ap], "y=" FP_SCANF_FORMAT, &y) == 1)
then y_flag = true;
else if (sscanf(argv[ap], "z=" FP_SCANF_FORMAT, &z) == 1)
then z_flag = true;
else error_exit(ERROR_EXIT, "%s", help_msg); /*NOTREACHED*/
}
//
// ***** input coordinates *****
//
printf("input:");
if (r_flag) then printf(" r=%g", r);
if (theta_flag) then printf(" theta=%g", dtheta);
if (mu_flag) then printf(" mu=%g", dmu);
if (nu_flag) then printf(" nu=%g", dnu);
if (phi_flag) then printf(" phi=%g", dphi);
if (x_flag) then printf(" x=%g", x);
if (y_flag) then printf(" y=%g", y);
if (z_flag) then printf(" z=%g", z);
printf("\n");
//
// ***** coordinate conversions *****
//
// ((mu,nu,phi)) --> the 3rd
if (mu_flag && nu_flag)
then printf("phi_of_mu_nu() ==> phi=%g\n",
degrees_of_radians(phi_of_mu_nu(mu,nu)));
if (mu_flag && phi_flag)
then printf("nu_of_mu_phi() ==> nu=%g\n",
degrees_of_radians(nu_of_mu_phi(mu,phi)));
if (nu_flag && phi_flag)
then printf("mu_of_nu_phi() ==> mu=%g\n",
degrees_of_radians(mu_of_nu_phi(nu,phi)));
// (r,(mu,nu,phi)) --> (x,y,z)
if (r_flag && mu_flag && nu_flag)
then {
fp x2, y2, z2;
xyz_of_r_mu_nu(r,mu,nu, x2,y2,z2);
printf("xyz_of_r_mu_nu() ==> x=%g y=%g z=%g\n", x2,y2,z2);
}
if (r_flag && mu_flag && phi_flag)
then {
fp x2, y2, z2;
xyz_of_r_mu_phi(r,mu,phi, x2,y2,z2);
printf("xyz_of_r_mu_phi() ==> x=%g y=%g z=%g\n", x2,y2,z2);
}
if (r_flag && nu_flag && phi_flag)
then {
fp x2, y2, z2;
xyz_of_r_nu_phi(r,nu,phi, x2,y2,z2);
printf("xyz_of_r_nu_phi() ==> x=%g y=%g z=%g\n", x2,y2,z2);
}
// (x,y,z) --> (r,(mu,nu,phi))
if (x_flag && y_flag && z_flag)
then {
fp r2 = r_of_xyz(x,y,z);
fp mu2 = mu_of_yz(y,z);
fp nu2 = nu_of_xz(x,z);
fp phi2 = phi_of_xy(x,y);
printf("*_of_xyz() ==> r=%g mu=%g nu=%g phi=%g\n",
r2,
degrees_of_radians(mu2),
degrees_of_radians(nu2),
degrees_of_radians(phi2));
}
// usual polar spherical (r,theta,phi) <--> (x,y,z)
if (r_flag && theta_flag && phi_flag)
then {
fp x2, y2, z2;
xyz_of_r_theta_phi(r,theta,phi, x2,y2,z2);
printf("xyz_of_r_theta_phi() ==> x=%g y=%g z=%g\n", x2,y2,z2);
}
if (x_flag && y_flag && z_flag)
then {
fp r2 = r_of_xyz(x,y,z);
fp theta2 = theta_of_xyz(x,y,z);
fp phi2 = phi_of_xy(x,y);
printf("*_of_xyz() ==> r=%g theta=%g phi=%g\n",
r2,
degrees_of_radians(theta2),
degrees_of_radians(phi2));
}
// ((mu,nu,phi)) --> usual polar spherical (theta,phi)
// ... note phi is the same coordinate in both systems
if (mu_flag && nu_flag)
then {
fp ps_theta, ps_phi;
theta_phi_of_mu_nu(mu,nu, ps_theta,ps_phi);
printf("theta_phi_of_mu_nu() ==> ps_theta=%g ps_phi=%g\n",
degrees_of_radians(ps_theta),degrees_of_radians(ps_phi));
}
if (mu_flag && phi_flag)
then {
fp ps_theta, ps_phi;
theta_phi_of_mu_phi(mu,phi, ps_theta,ps_phi);
printf("theta_phi_of_mu_phi() ==> ps_theta=%g ps_phi=%g\n",
degrees_of_radians(ps_theta),degrees_of_radians(ps_phi));
}
if (nu_flag && phi_flag)
then {
fp ps_theta, ps_phi;
theta_phi_of_nu_phi(nu,phi, ps_theta,ps_phi);
printf("theta_phi_of_nu_phi() ==> ps_theta=%g ps_phi=%g\n",
degrees_of_radians(ps_theta),degrees_of_radians(ps_phi));
}
// usual polar spherical (theta,phi) --> ((mu,nu,phi))
// ... note phi is the same coordinate in both systems
if (theta_flag && phi_flag)
then {
fp mu2, nu2;
mu_nu_of_theta_phi(theta,phi, mu2,nu2);
printf("mu_nu_of_theta_phi() ==> mu=%g nu=%g\n",
degrees_of_radians(mu2),degrees_of_radians(nu2));
}
if (theta_flag && phi_flag)
then {
fp mu2, mnp_phi;
mu_phi_of_theta_phi(theta,phi, mu2,mnp_phi);
printf("mu_phi_of_theta_phi() ==> mu=%g mnp_phi=%g\n",
degrees_of_radians(mu2),degrees_of_radians(mnp_phi));
}
if (theta_flag && phi_flag)
then {
fp nu2, mnp_phi;
nu_phi_of_theta_phi(theta,phi, nu2,mnp_phi);
printf("nu_phi_of_theta_phi() ==> nu=%g mnp_phi=%g\n",
degrees_of_radians(nu2),degrees_of_radians(mnp_phi));
}
return 0;
}
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