diff --git a/src/tools.c b/src/tools.c index 8fc393144ffec7071968e20d3d1f8db0d19cc0bb..7b468426b894044dc8e215f5150d9536fa2d4cdd 100644 --- a/src/tools.c +++ b/src/tools.c @@ -59,7 +59,6 @@ void factor(int value, int *f1, int *f2) { void pairs_n2(double *dim, struct part *__restrict__ parts, int N, int periodic) { - int i, j, k, count = 0; // int mj, mk; // double maxratio = 1.0; @@ -124,7 +123,6 @@ void pairs_n2(double *dim, struct part *__restrict__ parts, int N, void pairs_single_density(double *dim, long long int pid, struct part *__restrict__ parts, int N, int periodic) { - int i, k; // int mj, mk; // double maxratio = 1.0; @@ -177,19 +175,16 @@ void pairs_single_density(double *dim, long long int pid, } void pairs_all_density(struct runner *r, struct cell *ci, struct cell *cj) { - float r2, hi, hj, hig2, hjg2, dx[3]; struct part *pi, *pj; /* Implements a double-for loop and checks every interaction */ for (int i = 0; i < ci->count; ++i) { - pi = &ci->parts[i]; hi = pi->h; hig2 = hi * hi * kernel_gamma2; for (int j = 0; j < cj->count; ++j) { - pj = &cj->parts[j]; /* Pairwise distance */ @@ -201,7 +196,6 @@ void pairs_all_density(struct runner *r, struct cell *ci, struct cell *cj) { /* Hit or miss? */ if (r2 < hig2) { - /* Interact */ runner_iact_nonsym_density(r2, dx, hi, pj->h, pi, pj); } @@ -210,13 +204,11 @@ void pairs_all_density(struct runner *r, struct cell *ci, struct cell *cj) { /* Reverse double-for loop and checks every interaction */ for (int j = 0; j < cj->count; ++j) { - pj = &cj->parts[j]; hj = pj->h; hjg2 = hj * hj * kernel_gamma2; for (int i = 0; i < ci->count; ++i) { - pi = &ci->parts[i]; /* Pairwise distance */ @@ -228,7 +220,6 @@ void pairs_all_density(struct runner *r, struct cell *ci, struct cell *cj) { /* Hit or miss? */ if (r2 < hjg2) { - /* Interact */ runner_iact_nonsym_density(r2, dx, hj, pi->h, pj, pi); } @@ -242,13 +233,11 @@ void self_all_density(struct runner *r, struct cell *ci) { /* Implements a double-for loop and checks every interaction */ for (int i = 0; i < ci->count; ++i) { - pi = &ci->parts[i]; hi = pi->h; hig2 = hi * hi * kernel_gamma2; for (int j = i + 1; j < ci->count; ++j) { - pj = &ci->parts[j]; hj = pj->h; hjg2 = hj * hj * kernel_gamma2; @@ -264,14 +253,12 @@ void self_all_density(struct runner *r, struct cell *ci) { /* Hit or miss? */ if (r2 < hig2) { - /* Interact */ runner_iact_nonsym_density(r2, dxi, hi, hj, pi, pj); } /* Hit or miss? */ if (r2 < hjg2) { - dxi[0] = -dxi[0]; dxi[1] = -dxi[1]; dxi[2] = -dxi[2]; @@ -285,7 +272,6 @@ void self_all_density(struct runner *r, struct cell *ci) { void pairs_single_grav(double *dim, long long int pid, struct gpart *__restrict__ parts, int N, int periodic) { - int i, k; // int mj, mk; // double maxratio = 1.0; @@ -344,7 +330,6 @@ void pairs_single_grav(double *dim, long long int pid, */ void density_dump(int N) { - int k; float r2[4] = {0.0f, 0.0f, 0.0f, 0.0f}, hi[4], hj[4]; struct part /**pi[4], *pj[4],*/ Pi[4], Pj[4]; @@ -382,7 +367,6 @@ void density_dump(int N) { void engine_single_density(double *dim, long long int pid, struct part *__restrict__ parts, int N, int periodic) { - int i, k; double r2, dx[3]; float fdx[3], ih; @@ -429,7 +413,6 @@ void engine_single_density(double *dim, long long int pid, void engine_single_force(double *dim, long long int pid, struct part *__restrict__ parts, int N, int periodic) { - int i, k; double r2, dx[3]; float fdx[3]; @@ -483,13 +466,10 @@ double random_uniform(double a, double b) { * @brief Randomly shuffle an array of particles. */ void shuffle_particles(struct part *parts, const int count) { + if (count > 1) { + for (int i = 0; i < count - 1; i++) { + int j = i + random_uniform(0., (double)(count - 1 - i)); - if(count > 1) { - - for(int i=0; i<count - 1; i++) { - - int j = i + random_uniform(0.,(double)(count - 1 - i)); - struct part particle = parts[j]; parts[j] = parts[i]; @@ -497,7 +477,6 @@ void shuffle_particles(struct part *parts, const int count) { parts[i] = particle; } - } - else error("Array not big enough to shuffle!"); - + } else + error("Array not big enough to shuffle!"); } diff --git a/tests/test27cells.c b/tests/test27cells.c index 2c7beb85c3dd5e95780a2f7d82da6bc4553117a3..9b18dd19231fc4925d8e95ad197ff36b0ea5a105 100644 --- a/tests/test27cells.c +++ b/tests/test27cells.c @@ -38,10 +38,12 @@ enum velocity_types { * @param n The cube root of the number of particles. * @param offset The position of the cell offset from (0,0,0). * @param size The cell size. - * @param h The smoothing length of the particles in units of the inter-particle separation. + * @param h The smoothing length of the particles in units of the inter-particle + *separation. * @param density The density of the fluid. * @param partId The running counter of IDs. - * @param pert The perturbation to apply to the particles in the cell in units of the inter-particle separation. + * @param pert The perturbation to apply to the particles in the cell in units + *of the inter-particle separation. * @param vel The type of velocity field (0, random, divergent, rotating) */ struct cell *make_cell(size_t n, double *offset, double size, double h, @@ -119,7 +121,7 @@ struct cell *make_cell(size_t n, double *offset, double size, double h, cell->ti_end_min = 1; cell->ti_end_max = 1; - shuffle_particles(cell->parts,cell->count); + shuffle_particles(cell->parts, cell->count); cell->sorted = 0; cell->sort = NULL; @@ -139,7 +141,6 @@ 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) { - for (size_t pid = 0; pid < c->count; pid++) { c->parts[pid].rho = 0.f; c->parts[pid].rho_dh = 0.f; @@ -151,7 +152,6 @@ void zero_particle_fields(struct cell *c) { * @brief Ends the loop by adding the appropriate coefficients */ void end_calculation(struct cell *c) { - for (size_t pid = 0; pid < c->count; pid++) { hydro_end_density(&c->parts[pid], 1); } @@ -162,7 +162,6 @@ void end_calculation(struct cell *c) { */ void dump_particle_fields(char *fileName, struct cell *main_cell, struct cell **cells) { - FILE *file = fopen(fileName, "w"); /* Write header */ @@ -199,7 +198,6 @@ void dump_particle_fields(char *fileName, struct cell *main_cell, for (int i = 0; i < 3; ++i) { for (int j = 0; j < 3; ++j) { for (int k = 0; k < 3; ++k) { - struct cell *cj = cells[i * 9 + j * 3 + k]; if (cj == main_cell) continue; @@ -236,7 +234,6 @@ void runner_doself1_density(struct runner *r, struct cell *ci); /* And go... */ int main(int argc, char *argv[]) { - size_t runs = 0, particles = 0; double h = 1.2348, size = 1., rho = 1.; double perturbation = 0.; @@ -330,7 +327,6 @@ int main(int argc, char *argv[]) { for (int i = 0; i < 3; ++i) { for (int j = 0; j < 3; ++j) { for (int k = 0; k < 3; ++k) { - double offset[3] = {i * size, j * size, k * size}; cells[i * 9 + j * 3 + k] = make_cell(particles, offset, size, h, rho, &partId, perturbation, vel); @@ -343,7 +339,6 @@ int main(int argc, char *argv[]) { ticks time = 0; for (size_t i = 0; i < runs; ++i) { - /* Zero the fields */ for (int j = 0; j < 27; ++j) zero_particle_fields(cells[j]); diff --git a/tests/testPair.c b/tests/testPair.c index 083ccf497109760130d84f73d75d0cd1f6054e10..07e576332f81b0471f35f09dfcda21ad535adc8b 100644 --- a/tests/testPair.c +++ b/tests/testPair.c @@ -86,7 +86,7 @@ struct cell *make_cell(size_t n, double *offset, double size, double h, cell->ti_end_min = 1; cell->ti_end_max = 1; - shuffle_particles(cell->parts,cell->count); + shuffle_particles(cell->parts, cell->count); cell->sorted = 0; cell->sort = NULL; @@ -106,7 +106,6 @@ 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) { - for (size_t pid = 0; pid < c->count; pid++) { c->parts[pid].rho = 0.f; c->parts[pid].rho_dh = 0.f; @@ -118,7 +117,6 @@ void zero_particle_fields(struct cell *c) { * @brief Dump all the particles to a file */ void dump_particle_fields(char *fileName, struct cell *ci, struct cell *cj) { - FILE *file = fopen(fileName, "w"); /* Write header */ @@ -249,7 +247,6 @@ int main(int argc, char *argv[]) { time = 0; for (size_t i = 0; i < runs; ++i) { - /* Zero the fields */ zero_particle_fields(ci); zero_particle_fields(cj);