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authorThomas White <taw@physics.org>2017-02-22 15:08:24 +0100
committerThomas White <taw@physics.org>2018-02-27 17:12:41 +0100
commitf61a2210c6afd5ff222e271c450fdc08cf2b4475 (patch)
tree0d7419ac4a21013bca60aaa2d11e56afc1fcf373 /libcrystfel/src/geometry.c
parentaccccf0bd80fb4395cb82c84b702c8a08939ecc6 (diff)
Horrible restraint to keep algorithm from drifting too far
Diffstat (limited to 'libcrystfel/src/geometry.c')
-rw-r--r--libcrystfel/src/geometry.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/libcrystfel/src/geometry.c b/libcrystfel/src/geometry.c
index 43cf25f2..7f5e8635 100644
--- a/libcrystfel/src/geometry.c
+++ b/libcrystfel/src/geometry.c
@@ -523,6 +523,8 @@ static double do_integral(double q2, double zl, double R,
const double N = 1.5; /* Pointiness of spectrum */
FILE *fh = NULL;
+ assert(R*R < q2);
+
/* Range over which P is different from zero */
k0 = (R*R - q2)/(2.0*(zl+R));
k1 = (R*R - q2)/(2.0*(zl-R));