Curve Fitting: sync with upstream

Correct accidental float use

diff --git a/extern/curve_fit_nd/intern/curve_fit_cubic.c b/extern/curve_fit_nd/intern/curve_fit_cubic.c
index 9c8ebcd..417b41d 100644 (file)
--- a/extern/curve_fit_nd/intern/curve_fit_cubic.c
+++ b/extern/curve_fit_nd/intern/curve_fit_cubic.c
@@ -623,13 +623,13 @@ static void cubic_from_points_offset_fallback(
                }
        }
 
-       float alpha_l = (dists[0] / 0.75) /  dot_vnvn(tan_l, a[0], dims);
-       float alpha_r = (dists[1] / 0.75) / -dot_vnvn(tan_r, a[1], dims);
+       double alpha_l = (dists[0] / 0.75) /  dot_vnvn(tan_l, a[0], dims);
+       double alpha_r = (dists[1] / 0.75) / -dot_vnvn(tan_r, a[1], dims);
 
-       if (!(alpha_l > 0.0f)) {
+       if (!(alpha_l > 0.0)) {
                alpha_l = dir_dist / 3.0;
        }
-       if (!(alpha_r > 0.0f)) {
+       if (!(alpha_r > 0.0)) {
                alpha_r = dir_dist / 3.0;
        }