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Commit 332571c6 authored by Matthieu Schaller's avatar Matthieu Schaller
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Fix the testActivePair unit test to use the correct particle initialisation... 

Fix the testActivePair unit test to use the correct particle initialisation routine for both the density and force checks.
parent 872767c1
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with 99 additions and 44 deletions
tests/testActivePair.c
+ 99
− 44
View file @ 332571c6
......@@ -33,6 +33,8 @@
/* Typdef function pointer for interaction function. */
typedef void (*interaction_func)(struct runner *, struct cell *, struct cell *);
typedef void (*init_func)(struct cell *, const struct cosmology *);
typedef void (*finalise_func)(struct cell *, const struct cosmology *);
/**
* @brief Constructs a cell and all of its particle in a valid state prior to
......@@ -91,6 +93,7 @@ struct cell *make_cell(size_t n, double *offset, double size, double h,
h_max = fmaxf(h_max, part->h);
part->id = ++(*partId);
/* Set the mass */
#if defined(GIZMO_SPH) || defined(SHADOWFAX_SPH)
part->conserved.mass = density * volume / count;
......@@ -98,27 +101,28 @@ struct cell *make_cell(size_t n, double *offset, double size, double h,
double anchor[3] = {0., 0., 0.};
double side[3] = {1., 1., 1.};
voronoi_cell_init(&part->cell, part->x, anchor, side);
#endif
#endif /* SHADOWFAX_SPH */
#else
part->mass = density * volume / count;
#endif
#endif /* GIZMO_SPH */
#if defined(HOPKINS_PE_SPH)
/* Set the thermodynamic variable */
#if defined(GADGET2_SPH)
part->entropy = 1.f;
#elif defined(MINIMAL_SPH)
part->u = 1.f;
#elif defined(HOPKINS_PE_SPH)
part->entropy = 1.f;
part->entropy_one_over_gamma = 1.f;
#endif
/* Set the time-bin */
if (random_uniform(0, 1.f) < fraction_active)
part->time_bin = 1;
else
part->time_bin = num_time_bins + 1;
part->rho = 1.f;
part->force.f = 1.f;
part->force.P_over_rho2 = 1.f;
part->force.balsara = 1.f;
part->force.soundspeed = 1.f;
#ifdef SWIFT_DEBUG_CHECKS
part->ti_drift = 8;
part->ti_kick = 8;
......@@ -165,21 +169,57 @@ void clean_up(struct cell *ci) {
/**
* @brief Initializes all particles field to be ready for a density calculation
*/
void zero_particle_fields(struct cell *c) {
void zero_particle_fields_density(struct cell *c,
const struct cosmology *cosmo) {
for (int pid = 0; pid < c->count; pid++) {
hydro_init_part(&c->parts[pid], NULL);
c->parts[pid].rho = 1.f;
c->parts[pid].force.f = 1.f;
c->parts[pid].force.P_over_rho2 = 1.f;
c->parts[pid].force.balsara = 1.f;
c->parts[pid].force.soundspeed = 1.f;
}
}
/**
* @brief Ends the loop by adding the appropriate coefficients
* @brief Initializes all particles field to be ready for a force calculation
*/
void end_calculation(struct cell *c, const struct cosmology *cosmo) {
void zero_particle_fields_force(struct cell *c, const struct cosmology *cosmo) {
for (int pid = 0; pid < c->count; pid++) {
struct part *p = &c->parts[pid];
struct xpart *xp = &c->xparts[pid];
/* Mimic the result of a density calculation */
#ifdef GADGET2_SPH
p->rho = 1.f;
p->density.rho_dh = 0.f;
p->density.wcount = 48.f / (kernel_norm * pow_dimension(p->h));
p->density.wcount_dh = 0.f;
p->density.rot_v[0] = 0.f;
p->density.rot_v[1] = 0.f;
p->density.rot_v[2] = 0.f;
p->density.div_v = 0.f;
#endif
#ifdef MINIMAL_SPH
p->rho = 1.f;
p->density.rho_dh = 0.f;
p->density.wcount = 48.f / (kernel_norm * pow_dimension(p->h));
p->density.wcount_dh = 0.f;
#endif
#ifdef HOPKINS_PE_SPH
p->rho = 1.f;
p->rho_bar = 1.f;
p->density.rho_dh = 0.f;
p->density.pressure_dh = 0.f;
p->density.wcount = 48.f / (kernel_norm * pow_dimension(p->h));
p->density.wcount_dh = 0.f;
#endif
/* And prepare for a round of force tasks. */
hydro_prepare_force(p, xp, cosmo);
hydro_reset_acceleration(p);
}
}
/**
* @brief Ends the density loop by adding the appropriate coefficients
*/
void end_calculation_density(struct cell *c, const struct cosmology *cosmo) {
for (int pid = 0; pid < c->count; pid++) {
hydro_end_density(&c->parts[pid], cosmo);
......@@ -189,6 +229,15 @@ void end_calculation(struct cell *c, const struct cosmology *cosmo) {
}
}
/**
* @brief Ends the force loop by adding the appropriate coefficients
*/
void end_calculation_force(struct cell *c, const struct cosmology *cosmo) {
for (int pid = 0; pid < c->count; pid++) {
hydro_end_force(&c->parts[pid], cosmo);
}
}
/**
* @brief Dump all the particles to a file
*/
......@@ -233,21 +282,22 @@ void test_pair_interactions(struct runner *runner, struct cell **ci,
struct cell **cj, char *swiftOutputFileName,
char *bruteForceOutputFileName,
interaction_func serial_interaction,
interaction_func vec_interaction) {
interaction_func vec_interaction, init_func init,
finalise_func finalise) {
runner_do_sort(runner, *ci, 0x1FFF, 0, 0);
runner_do_sort(runner, *cj, 0x1FFF, 0, 0);
/* Zero the fields */
zero_particle_fields(*ci);
zero_particle_fields(*cj);
init(*ci, runner->e->cosmology);
init(*cj, runner->e->cosmology);
/* Run the test */
vec_interaction(runner, *ci, *cj);
/* Let's get physical ! */
end_calculation(*ci, runner->e->cosmology);
end_calculation(*cj, runner->e->cosmology);
finalise(*ci, runner->e->cosmology);
finalise(*cj, runner->e->cosmology);
/* Dump if necessary */
dump_particle_fields(swiftOutputFileName, *ci, *cj);
......@@ -255,15 +305,15 @@ void test_pair_interactions(struct runner *runner, struct cell **ci,
/* Now perform a brute-force version for accuracy tests */
/* Zero the fields */
zero_particle_fields(*ci);
zero_particle_fields(*cj);
init(*ci, runner->e->cosmology);
init(*cj, runner->e->cosmology);
/* Run the brute-force test */
serial_interaction(runner, *ci, *cj);
/* Let's get physical ! */
end_calculation(*ci, runner->e->cosmology);
end_calculation(*cj, runner->e->cosmology);
finalise(*ci, runner->e->cosmology);
finalise(*cj, runner->e->cosmology);
dump_particle_fields(bruteForceOutputFileName, *ci, *cj);
}
......@@ -275,7 +325,8 @@ void test_all_pair_interactions(
struct runner *runner, double *offset2, size_t particles, double size,
double h, double rho, long long *partId, double perturbation, double h_pert,
char *swiftOutputFileName, char *bruteForceOutputFileName,
interaction_func serial_interaction, interaction_func vec_interaction) {
interaction_func serial_interaction, interaction_func vec_interaction,
init_func init, finalise_func finalise) {
double offset1[3] = {0, 0, 0};
struct cell *ci, *cj;
......@@ -286,7 +337,7 @@ void test_all_pair_interactions(
test_pair_interactions(runner, &ci, &cj, swiftOutputFileName,
bruteForceOutputFileName, serial_interaction,
vec_interaction);
vec_interaction, init, finalise);
clean_up(ci);
clean_up(cj);
......@@ -299,7 +350,7 @@ void test_all_pair_interactions(
test_pair_interactions(runner, &ci, &cj, swiftOutputFileName,
bruteForceOutputFileName, serial_interaction,
vec_interaction);
vec_interaction, init, finalise);
clean_up(ci);
clean_up(cj);
......@@ -312,7 +363,7 @@ void test_all_pair_interactions(
test_pair_interactions(runner, &ci, &cj, swiftOutputFileName,
bruteForceOutputFileName, serial_interaction,
vec_interaction);
vec_interaction, init, finalise);
clean_up(ci);
clean_up(cj);
......@@ -325,7 +376,7 @@ void test_all_pair_interactions(
test_pair_interactions(runner, &ci, &cj, swiftOutputFileName,
bruteForceOutputFileName, serial_interaction,
vec_interaction);
vec_interaction, init, finalise);
clean_up(ci);
clean_up(cj);
......@@ -338,7 +389,7 @@ void test_all_pair_interactions(
test_pair_interactions(runner, &ci, &cj, swiftOutputFileName,
bruteForceOutputFileName, serial_interaction,
vec_interaction);
vec_interaction, init, finalise);
clean_up(ci);
clean_up(cj);
......@@ -351,7 +402,7 @@ void test_all_pair_interactions(
test_pair_interactions(runner, &ci, &cj, swiftOutputFileName,
bruteForceOutputFileName, serial_interaction,
vec_interaction);
vec_interaction, init, finalise);
clean_up(ci);
clean_up(cj);
......@@ -364,7 +415,7 @@ void test_all_pair_interactions(
test_pair_interactions(runner, &ci, &cj, swiftOutputFileName,
bruteForceOutputFileName, serial_interaction,
vec_interaction);
vec_interaction, init, finalise);
clean_up(ci);
clean_up(cj);
......@@ -375,7 +426,7 @@ void test_all_pair_interactions(
test_pair_interactions(runner, &ci, &cj, swiftOutputFileName,
bruteForceOutputFileName, serial_interaction,
vec_interaction);
vec_interaction, init, finalise);
clean_up(ci);
clean_up(cj);
......@@ -386,7 +437,7 @@ void test_all_pair_interactions(
test_pair_interactions(runner, &ci, &cj, swiftOutputFileName,
bruteForceOutputFileName, serial_interaction,
vec_interaction);
vec_interaction, init, finalise);
clean_up(ci);
clean_up(cj);
......@@ -399,7 +450,7 @@ void test_all_pair_interactions(
test_pair_interactions(runner, &ci, &cj, swiftOutputFileName,
bruteForceOutputFileName, serial_interaction,
vec_interaction);
vec_interaction, init, finalise);
clean_up(ci);
clean_up(cj);
......@@ -412,7 +463,7 @@ void test_all_pair_interactions(
test_pair_interactions(runner, &ci, &cj, swiftOutputFileName,
bruteForceOutputFileName, serial_interaction,
vec_interaction);
vec_interaction, init, finalise);
/* Clean things to make the sanitizer happy ... */
clean_up(ci);
......@@ -539,12 +590,14 @@ int main(int argc, char *argv[]) {
/* Define which interactions to call */
interaction_func serial_inter_func = &pairs_all_density;
interaction_func vec_inter_func = &runner_dopair1_branch_density;
init_func init = &zero_particle_fields_density;
finalise_func finalise = &end_calculation_density;
/* Test a pair of cells face-on. */
test_all_pair_interactions(runner, offset, particles, size, h, rho, &partId,
perturbation, h_pert, swiftOutputFileName,
bruteForceOutputFileName, serial_inter_func,
vec_inter_func);
vec_inter_func, init, finalise);
/* Test a pair of cells edge-on. */
offset[0] = 1.;
......@@ -553,7 +606,7 @@ int main(int argc, char *argv[]) {
test_all_pair_interactions(runner, offset, particles, size, h, rho, &partId,
perturbation, h_pert, swiftOutputFileName,
bruteForceOutputFileName, serial_inter_func,
vec_inter_func);
vec_inter_func, init, finalise);
/* Test a pair of cells corner-on. */
offset[0] = 1.;
......@@ -562,11 +615,13 @@ int main(int argc, char *argv[]) {
test_all_pair_interactions(runner, offset, particles, size, h, rho, &partId,
perturbation, h_pert, swiftOutputFileName,
bruteForceOutputFileName, serial_inter_func,
vec_inter_func);
vec_inter_func, init, finalise);
/* Re-assign function pointers. */
serial_inter_func = &pairs_all_force;
vec_inter_func = &runner_dopair2_branch_force;
init = &zero_particle_fields_force;
finalise = &end_calculation_force;
/* Create new output file names. */
sprintf(swiftOutputFileName, "swift_dopair2_force_%s.dat",
......@@ -585,7 +640,7 @@ int main(int argc, char *argv[]) {
test_all_pair_interactions(runner, offset, particles, size, h, rho, &partId,
perturbation, h_pert, swiftOutputFileName,
bruteForceOutputFileName, serial_inter_func,
vec_inter_func);
vec_inter_func, init, finalise);
/* Test a pair of cells edge-on. */
offset[0] = 1.;
......@@ -594,7 +649,7 @@ int main(int argc, char *argv[]) {
test_all_pair_interactions(runner, offset, particles, size, h, rho, &partId,
perturbation, h_pert, swiftOutputFileName,
bruteForceOutputFileName, serial_inter_func,
vec_inter_func);
vec_inter_func, init, finalise);
/* Test a pair of cells corner-on. */
offset[0] = 1.;
......@@ -603,6 +658,6 @@ int main(int argc, char *argv[]) {
test_all_pair_interactions(runner, offset, particles, size, h, rho, &partId,
perturbation, h_pert, swiftOutputFileName,
bruteForceOutputFileName, serial_inter_func,
vec_inter_func);
vec_inter_func, init, finalise);
return 0;
}
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