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-rw-r--r--src/scattering.c8
1 files changed, 1 insertions, 7 deletions
diff --git a/src/scattering.c b/src/scattering.c
index 25b17d4..2512cda 100644
--- a/src/scattering.c
+++ b/src/scattering.c
@@ -191,14 +191,8 @@ void init_interpolation(void)
gsl_integration_cquad_workspace_free(w);
}
-double get_probability(double beta, double cos_theta, double theta0)
+double get_probability(double beta, double cos_theta, double sin_theta, double theta0)
{
- double sin_theta;
-
- /* Technically this isn't defined up to a sign, but it doesn't matter since
- * we are going to square it everywhere. */
- sin_theta = sqrt(1-pow(cos_theta,2));
-
/* Make sure theta0 is less than MAX_THETA0, otherwise it's possible that
* gsl_spline2d_eval() will quit. */
if (theta0 > MAX_THETA0) theta0 = MAX_THETA0;