diff options
Diffstat (limited to 'solid_angle.c')
| -rw-r--r-- | solid_angle.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/solid_angle.c b/solid_angle.c index 5fc6033..cbc71f1 100644 --- a/solid_angle.c +++ b/solid_angle.c @@ -15,7 +15,7 @@ double get_solid_angle(double *pos, double *pmt, double *n, double r) dir[1] = pos[1] - pmt[1]; dir[2] = pos[2] - pmt[2]; - L = dir[0]*n[0] + dir[1]*n[1] + dir[2]*n[2]; + L = fabs(dir[0]*n[0] + dir[1]*n[1] + dir[2]*n[2]); R = sqrt(dir[0]*dir[0] + dir[1]*dir[1] + dir[2]*dir[2]); r0 = sqrt(R*R - L*L); |