diff options
| author | Thomas White <taw@bitwiz.org.uk> | 2010-02-20 17:41:47 +0100 |
|---|---|---|
| committer | Thomas White <taw@bitwiz.org.uk> | 2010-02-20 17:41:47 +0100 |
| commit | 9323166cf7efccb6c3f74a9f2fefa4efb934436c (patch) | |
| tree | f1986f869a3d22af8dc5a33cb734f6df21e8bbe7 /data/diffraction.cl | |
| parent | fc78b8c7c8c8b8c240a2861142627cc3877c26e7 (diff) | |
Nicer branching
Diffstat (limited to 'data/diffraction.cl')
| -rw-r--r-- | data/diffraction.cl | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/data/diffraction.cl b/data/diffraction.cl index bac0c5c7..5ca7d571 100644 --- a/data/diffraction.cl +++ b/data/diffraction.cl @@ -109,15 +109,16 @@ float2 get_sfac(global float2 *sfacs, float16 cell, float4 q) k = round(kf); l = round(lf); + /* Return a silly value if indices are out of range */ if ( (abs(h) > INDMAX) || (abs(k) > INDMAX) || (abs(l) > INDMAX) ) { - return 100.0; + return 100000.0; } - if ( h < 0 ) h += IDIM; - if ( k < 0 ) k += IDIM; - if ( l < 0 ) l += IDIM; + h = (h>=0) ? h : h+IDIM; + k = (k>=0) ? k : k+IDIM; + l = (l>=0) ? l : l+IDIM; - if ( (h>=IDIM) || (k>=IDIM) || (l>=IDIM) ) return 100.0; + if ( (h>=IDIM) || (k>=IDIM) || (l>=IDIM) ) return 100000.0; idx = h + (IDIM*k) + (IDIM*IDIM*l); |