diff --git a/to-do.md b/to-do.md
index 1f32078..02b71ee 100644
--- a/to-do.md
+++ b/to-do.md
@@ -1,10 +1,11 @@
 
 - [x] Add example for only one sample
 - [x] Add example for many samples
-- [ ] Use gcc extension to define functions nested inside main.
-- [ ] Use OpenMP for acceleration
-- [ ] Chain various mixture functions
+- ~~[ ] Add a custom preprocessor to allow simple nested functions that don't rely on local scope?~~
+- [x] Use gcc extension to define functions nested inside main.
+- [x] Chain various mixture functions
 - [ ] Have some more complicated & realistic example
 - [ ] Add summarization functions, like mean, std, 90% ci (or all c.i.?)
 - [ ] Add beta distribution
-- [ ] Add a custom preprocessor to allow simple nested functions that don't rely on local scope?
+- [ ] Use OpenMP for acceleration
+- [ ] Add function to get sample when given a cdf