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Commit a8c8e99d authored by Matthieu Schaller's avatar Matthieu Schaller
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Fixed the single test

parent 6c4933a2
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2 merge requests!136Master,!93Missing files and other small bugs
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tests/testSingle.c
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......@@ -2,20 +2,20 @@
* This file is part of SWIFT.
* Copyright (c) 2012 Pedro Gonnet (pedro.gonnet@durham.ac.uk),
* Matthieu Schaller (matthieu.schaller@durham.ac.uk)
*
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*
******************************************************************************/
/* Config parameters. */
......@@ -34,7 +34,7 @@
/* Conditional headers. */
#ifdef HAVE_LIBZ
#include <zlib.h>
#include <zlib.h>
#endif
/* Local headers. */
......@@ -42,88 +42,111 @@
/* Ticks per second on this machine. */
#ifndef CPU_TPS
#define CPU_TPS 2.67e9
#define CPU_TPS 2.67e9
#endif
/* Engine policy flags. */
#ifndef ENGINE_POLICY
#define ENGINE_POLICY engine_policy_none
#define ENGINE_POLICY engine_policy_none
#endif
#ifdef DEFAULT_SPH
/**
* @brief Main routine that loads a few particles and generates some output.
*
*/
int main ( int argc , char *argv[] ) {
int k, N = 100;
struct part p1, p2;
float x, w, dwdx, r2, dx[3] = { 0.0f , 0.0f , 0.0f }, gradw[3];
/* Greeting message */
printf( "This is %s\n", package_description() );
/* Init the particles. */
for ( k = 0 ; k < 3 ; k++ ) {
p1.a[k] = 0.0f; p1.v[k] = 0.0f; p1.x[k] = 0.0;
p2.a[k] = 0.0f; p2.v[k] = 0.0f; p2.x[k] = 0.0;
}
p1.v[0] = 100.0f;
p1.id = 0; p2.id = 1;
p1.density.wcount = 48.0f; p2.density.wcount = 48.0f;
p1.rho = 1.0f; p1.mass = 9.7059e-4; p1.h = 0.222871287 / 2;
p2.rho = 1.0f; p2.mass = 9.7059e-4; p2.h = 0.222871287 / 2;
p1.force.c = 0.0040824829f; p1.force.balsara = 0.0f;
p2.force.c = 58.8972740361f; p2.force.balsara = 0.0f;
p1.u = 1.e-5 / ((const_hydro_gamma - 1.)*p1.rho);
p2.u = 1.e-5 / ((const_hydro_gamma - 1.)*p2.rho) + 100.0f / ( 33 * p2.mass );
p1.force.POrho2 = p1.u * ( const_hydro_gamma - 1.0f ) / p1.rho;
p2.force.POrho2 = p2.u * ( const_hydro_gamma - 1.0f ) / p2.rho;
/* Dump a header. */
printParticle_single( &p1 );
printParticle_single( &p2 );
printf( "# r a_1 udt_1 a_2 udt_2\n" );
/* Loop over the different radii. */
for ( k = 1 ; k <= N ; k++ ) {
/* Set the distance/radius. */
dx[0] = -((float)k)/N * fmaxf( p1.h , p2.h ) * kernel_gamma;
r2 = dx[0]*dx[0];
/* Clear the particle fields. */
p1.a[0] = 0.0f; p1.force.u_dt = 0.0f;
p2.a[0] = 0.0f; p2.force.u_dt = 0.0f;
/* Interact the particles. */
runner_iact_force( r2 , dx , p1.h , p2.h , &p1 , &p2 );
/* Clear the particle fields. */
/* p1.rho = 0.0f; p1.density.wcount = 0.0f;
p2.rho = 0.0f; p2.density.wcount = 0.0f; */
/* Interact the particles. */
// runner_iact_density( r2 , dx , p1.h , p2.h , &p1 , &p2 );
/* Evaluate just the kernel. */
x = fabsf( dx[0] ) / p1.h;
kernel_deval( x , &w , &dwdx );
gradw[0] = dwdx / (p1.h*p1.h*p1.h*p1.h) * dx[0] / sqrtf( dx[0]*dx[0] + dx[1]*dx[1] + dx[2]*dx[2] );
gradw[1] = dwdx / (p1.h*p1.h*p1.h*p1.h) * dx[1] / sqrtf( dx[0]*dx[0] + dx[1]*dx[1] + dx[2]*dx[2] );
gradw[2] = dwdx / (p1.h*p1.h*p1.h*p1.h) * dx[2] / sqrtf( dx[0]*dx[0] + dx[1]*dx[1] + dx[2]*dx[2] );
/* Output the results. */
printf( "%.3e %.3e %.3e %.3e %.3e %.3e %.3e %.3e %.3e %.3e\n" ,
-dx[0] , p1.a[0] , p1.a[1] , p1.a[2] , p1.force.u_dt ,
/// -dx[0] , p1.rho , p1.density.wcount , p2.rho , p2.density.wcount ,
w , dwdx , gradw[0] , gradw[1] , gradw[2] );
} /* loop over radii. */
/* All is calm, all is bright. */
return 0;
}
int main(int argc, char *argv[]) {
int k, N = 100;
struct part p1, p2;
float x, w, dwdx, r2, dx[3] = {0.0f, 0.0f, 0.0f}, gradw[3];
/* Greeting message */
printf("This is %s\n", package_description());
/* Init the particles. */
for (k = 0; k < 3; k++) {
p1.a_hydro[k] = 0.0f;
p1.v[k] = 0.0f;
p1.x[k] = 0.0;
p2.a_hydro[k] = 0.0f;
p2.v[k] = 0.0f;
p2.x[k] = 0.0;
}
p1.v[0] = 100.0f;
p1.id = 0;
p2.id = 1;
p1.density.wcount = 48.0f;
p2.density.wcount = 48.0f;
p1.rho = 1.0f;
p1.mass = 9.7059e-4;
p1.h = 0.222871287 / 2;
p2.rho = 1.0f;
p2.mass = 9.7059e-4;
p2.h = 0.222871287 / 2;
p1.force.c = 0.0040824829f;
p1.force.balsara = 0.0f;
p2.force.c = 58.8972740361f;
p2.force.balsara = 0.0f;
p1.u = 1.e-5 / ((const_hydro_gamma - 1.) * p1.rho);
p2.u = 1.e-5 / ((const_hydro_gamma - 1.) * p2.rho) + 100.0f / (33 * p2.mass);
p1.force.POrho2 = p1.u * (const_hydro_gamma - 1.0f) / p1.rho;
p2.force.POrho2 = p2.u * (const_hydro_gamma - 1.0f) / p2.rho;
/* Dump a header. */
printParticle_single(&p1);
printParticle_single(&p2);
printf("# r a_1 udt_1 a_2 udt_2\n");
/* Loop over the different radii. */
for (k = 1; k <= N; k++) {
/* Set the distance/radius. */
dx[0] = -((float)k) / N * fmaxf(p1.h, p2.h) * kernel_gamma;
r2 = dx[0] * dx[0];
/* Clear the particle fields. */
p1.a[0] = 0.0f;
p1.force.u_dt = 0.0f;
p2.a[0] = 0.0f;
p2.force.u_dt = 0.0f;
/* Interact the particles. */
runner_iact_force(r2, dx, p1.h, p2.h, &p1, &p2);
/* Clear the particle fields. */
/* p1.rho = 0.0f; p1.density.wcount = 0.0f;
p2.rho = 0.0f; p2.density.wcount = 0.0f; */
/* Interact the particles. */
// runner_iact_density( r2 , dx , p1.h , p2.h , &p1 , &p2 );
/* Evaluate just the kernel. */
x = fabsf(dx[0]) / p1.h;
kernel_deval(x, &w, &dwdx);
gradw[0] = dwdx / (p1.h * p1.h * p1.h * p1.h) * dx[0] /
sqrtf(dx[0] * dx[0] + dx[1] * dx[1] + dx[2] * dx[2]);
gradw[1] = dwdx / (p1.h * p1.h * p1.h * p1.h) * dx[1] /
sqrtf(dx[0] * dx[0] + dx[1] * dx[1] + dx[2] * dx[2]);
gradw[2] = dwdx / (p1.h * p1.h * p1.h * p1.h) * dx[2] /
sqrtf(dx[0] * dx[0] + dx[1] * dx[1] + dx[2] * dx[2]);
/* Output the results. */
printf(
"%.3e %.3e %.3e %.3e %.3e %.3e %.3e %.3e %.3e %.3e\n", -dx[0], p1.a[0],
p1.a[1], p1.a[2], p1.force.u_dt,
/// -dx[0] , p1.rho , p1.density.wcount , p2.rho , p2.density.wcount ,
w, dwdx, gradw[0], gradw[1], gradw[2]);
} /* loop over radii. */
/* All is calm, all is bright. */
return 0;
}
#else
int main() { return 0; }
#endif
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