diff options
Diffstat (limited to 'src/reax.c')
| -rw-r--r-- | src/reax.c | 42 |
1 files changed, 21 insertions, 21 deletions
@@ -46,33 +46,33 @@ struct reax_private static double check_dir(struct dvec *dir, ImageFeatureList *flist, double modv, - double pmax, double *fft_in, fftw_complex *fft_out, - fftw_plan plan) + int nel, double pmax, double *fft_in, + fftw_complex *fft_out, fftw_plan plan) { - int n, i, v; - double *vals; + int n, i; - n = image_feature_count(flist); + for ( i=0; i<nel; i++ ) { + fft_in[i] = 0.0; + } - vals = malloc(n*sizeof(double)); - v = 0; + n = image_feature_count(flist); for ( i=0; i<n; i++ ) { struct imagefeature *f; + double val; + int idx; f = image_get_feature(flist, i); if ( f == NULL ) continue; - vals[v] = f->rx*dir->x + f->ry*dir->y + f->rz*dir->z; + val = f->rx*dir->x + f->ry*dir->y + f->rz*dir->z; - v++; /* Yuk, yuk, yuk */ + idx = nel/2 + nel*val/(2.0*pmax); + fft_in[idx]++; } - - - - free(vals); + fftw_execute(plan); return 0.0; } @@ -93,14 +93,14 @@ void reax_index(IndexingPrivate *pp, struct image *image, UnitCell *cell) double *fft_in; fftw_complex *fft_out; fftw_plan plan; - const double cellmax = 50.0e9; /* 50 nm max cell size */ + const double cellmax = 50.0e-9; /* 50 nm max cell size */ assert(pp->indm == INDEXING_REAX); p = (struct reax_private *)pp; - cell_get_reciprocal(image->indexed_cell, &asx, &asy, &asz, - &bsx, &bsy, &bsz, - &csx, &csy, &csz); + cell_get_reciprocal(cell, &asx, &asy, &asz, + &bsx, &bsy, &bsz, + &csx, &csy, &csz); mod_as = modulus(asx, asy, asz); n = image_feature_count(image->features); @@ -132,7 +132,7 @@ void reax_index(IndexingPrivate *pp, struct image *image, UnitCell *cell) double new_fom; new_fom = check_dir(&p->directions[i], image->features, mod_as, - pmax, fft_in, fft_out, plan); + nel, pmax, fft_in, fft_out, plan); if ( new_fom > fom ) { fom = new_fom; dx = p->directions[i].x; @@ -186,13 +186,13 @@ IndexingPrivate *reax_prepare() v = (double)vi/samp; /* Uniform sampling of a hemisphere */ - th = 2.0 * M_PI * u; - ph = acos(v); + th = 2.0 * M_PI * u; /* "Longitude" */ + ph = acos(v); /* "Latitude" */ dir = &priv->directions[ui + vi*samp]; dir->x = cos(th) * sin(ph); - dir->y = sin(th) * sin(th); + dir->y = sin(th) * sin(ph); dir->z = cos(ph); } |