diff options
Diffstat (limited to 'tests/prof2d_check.c')
-rw-r--r-- | tests/prof2d_check.c | 28 |
1 files changed, 18 insertions, 10 deletions
diff --git a/tests/prof2d_check.c b/tests/prof2d_check.c index c1718a92..f1665a6c 100644 --- a/tests/prof2d_check.c +++ b/tests/prof2d_check.c @@ -3,7 +3,11 @@ * * Check 2D profile fitting * - * Copyright © 2013 Thomas White <taw@physics.org> + * Copyright © 2013-2014 Deutsches Elektronen-Synchrotron DESY, + * a research centre of the Helmholtz Association. + * + * Authors: + * 2013-2014 Thomas White <taw@physics.org> * * This file is part of CrystFEL. * @@ -48,7 +52,7 @@ int main(int argc, char *argv[]) struct image image; int fs, ss; FILE *fh; - unsigned int seed; + unsigned long int seed; int fail = 0; const int w = 1024; const int h = 1024; @@ -65,11 +69,14 @@ int main(int argc, char *argv[]) int n = 0; int n_strong = 0; int n_weak = 0; + gsl_rng *rng; + + rng = gsl_rng_alloc(gsl_rng_mt19937); fh = fopen("/dev/urandom", "r"); fread(&seed, sizeof(seed), 1, fh); fclose(fh); - srand(seed); + gsl_rng_set(rng, seed); image.flags = NULL; image.beam = NULL; @@ -121,7 +128,7 @@ int main(int argc, char *argv[]) cell_set_centering(cell, 'P'); cell_set_parameters(cell, 800.0e-10, 800.0e-10, 800.0e-10, deg2rad(90.0), deg2rad(90.0), deg2rad(90.0)); - cell = cell_rotate(cell, random_quaternion()); + cell = cell_rotate(cell, random_quaternion(rng)); cr = crystal_new(); crystal_set_profile_radius(cr, 0.001e9); @@ -136,7 +143,7 @@ int main(int argc, char *argv[]) for ( fs=0; fs<w; fs++ ) { for ( ss=0; ss<h; ss++ ) { - image.dp[0][fs+w*ss] = 10.0*poisson_noise(40); + image.dp[0][fs+w*ss] = 10.0*poisson_noise(rng, 40); } } @@ -154,11 +161,11 @@ int main(int argc, char *argv[]) get_indices(refl, &hj, &kj, &lj); if ( lj % 2 ) { const int pk_ph = 1000; - ADD_PX(fs, ss, 10.0*poisson_noise(pk_ph)); - ADD_PX(fs-1, ss, 10.0*poisson_noise(pk_ph)); - ADD_PX(fs+1, ss, 10.0*poisson_noise(pk_ph)); - ADD_PX(fs, ss-1, 10.0*poisson_noise(pk_ph)); - ADD_PX(fs, ss+1, 10.0*poisson_noise(pk_ph)); + ADD_PX(fs, ss, 10.0*poisson_noise(rng, pk_ph)); + ADD_PX(fs-1, ss, 10.0*poisson_noise(rng, pk_ph)); + ADD_PX(fs+1, ss, 10.0*poisson_noise(rng, pk_ph)); + ADD_PX(fs, ss-1, 10.0*poisson_noise(rng, pk_ph)); + ADD_PX(fs, ss+1, 10.0*poisson_noise(rng, pk_ph)); n_strong++; } else { /* Absent peak */ @@ -226,6 +233,7 @@ int main(int argc, char *argv[]) free(image.det); free(image.dp[0]); free(image.dp); + gsl_rng_free(rng); if ( fail ) return 1; |