diff options
| author | Thomas White <taw@physics.org> | 2010-10-25 16:29:01 +0200 |
|---|---|---|
| committer | Thomas White <taw@physics.org> | 2012-02-22 15:27:03 +0100 |
| commit | 4e6691e2f6c0aa2ef92b8d3be03b513336cc3586 (patch) | |
| tree | aa28060c8bca2997d4b56bc4ff44eab305439d83 /src/diffraction-gpu.c | |
| parent | 0b51b862bca321d465b90a672aaa6028406b6ef7 (diff) | |
Update definition of bandwidth to match documentation
Diffstat (limited to 'src/diffraction-gpu.c')
| -rw-r--r-- | src/diffraction-gpu.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/src/diffraction-gpu.c b/src/diffraction-gpu.c index 409178b9..825f6372 100644 --- a/src/diffraction-gpu.c +++ b/src/diffraction-gpu.c @@ -113,7 +113,7 @@ void get_diffraction_gpu(struct gpu_context *gctx, struct image *image, double ax, ay, az; double bx, by, bz; double cx, cy, cz; - float k, klow; + float klow, khigh; cl_event *event; int p; float *tt_ptr; @@ -136,9 +136,9 @@ void get_diffraction_gpu(struct gpu_context *gctx, struct image *image, cell.s[6] = cx; cell.s[7] = cy; cell.s[8] = cz; /* Calculate wavelength */ - k = 1.0/image->lambda; /* Centre value */ - klow = k - k*(image->beam->bandwidth/2.0); /* Lower value */ - bwstep = k * image->beam->bandwidth / BWSAMPLING; + klow = 1.0/(image->lambda + image->beam->bandwidth/2.0); + khigh = 1.0/(image->lambda - image->beam->bandwidth/2.0); + bwstep = (khigh-klow) / BWSAMPLING; /* Orientation */ orientation.s[0] = image->orientation.w; |