diff --git a/li/bp/libpt-math b/li/bp/libpt-math
index 93b0336..b4a6b3c 100644
--- a/li/bp/libpt-math
+++ b/li/bp/libpt-math
@@ -6,3 +6,4 @@
 {"name":"libpt-math","vers":"0.3.6","deps":[{"name":"libpt-core","req":"^0.3.3","features":[],"optional":false,"default_features":true,"target":null,"kind":"normal","registry":null,"package":null},{"name":"libpt-log","req":"^0.3.3","features":[],"optional":false,"default_features":true,"target":null,"kind":"normal","registry":null,"package":null},{"name":"num","req":"^0.4.1","features":[],"optional":false,"default_features":true,"target":null,"kind":"normal","registry":"https://github.com/rust-lang/crates.io-index","package":null},{"name":"num-traits","req":"^0.2.16","features":[],"optional":false,"default_features":true,"target":null,"kind":"normal","registry":"https://github.com/rust-lang/crates.io-index","package":null}],"cksum":"963c723064735969497372fdef86ba1ed6eee3077c4a2793a548d9c347833b5c","features":{},"yanked":false}
 {"name":"libpt-math","vers":"0.3.7","deps":[{"name":"libpt-core","req":"^0.3.7","features":[],"optional":false,"default_features":true,"target":null,"kind":"normal","registry":null,"package":null},{"name":"libpt-log","req":"^0.3.7","features":[],"optional":false,"default_features":true,"target":null,"kind":"normal","registry":null,"package":null},{"name":"num","req":"^0.4.1","features":[],"optional":false,"default_features":true,"target":null,"kind":"normal","registry":"https://github.com/rust-lang/crates.io-index","package":null},{"name":"num-traits","req":"^0.2.16","features":[],"optional":false,"default_features":true,"target":null,"kind":"normal","registry":"https://github.com/rust-lang/crates.io-index","package":null}],"cksum":"dd3dc442685b36a4044d4c5799c7a4f426b25dee7222343b58d15c4041552193","features":{},"yanked":false}
 {"name":"libpt-math","vers":"0.3.8","deps":[{"name":"libpt-core","req":"^0.3.8","features":[],"optional":false,"default_features":true,"target":null,"kind":"normal","registry":null,"package":null},{"name":"libpt-log","req":"^0.3.8","features":[],"optional":false,"default_features":true,"target":null,"kind":"normal","registry":null,"package":null},{"name":"num","req":"^0.4.1","features":[],"optional":false,"default_features":true,"target":null,"kind":"normal","registry":"https://github.com/rust-lang/crates.io-index","package":null},{"name":"num-traits","req":"^0.2.16","features":[],"optional":false,"default_features":true,"target":null,"kind":"normal","registry":"https://github.com/rust-lang/crates.io-index","package":null}],"cksum":"3fc3b1f62378259a2d51f32d9c2cf9da2ee10b5247a75fccecd968e9b53a5ba1","features":{},"yanked":false}
+{"name":"libpt-math","vers":"0.3.9","deps":[{"name":"libpt-core","req":"^0.3.9","features":[],"optional":false,"default_features":true,"target":null,"kind":"normal","registry":null,"package":null},{"name":"libpt-log","req":"^0.3.9","features":[],"optional":false,"default_features":true,"target":null,"kind":"normal","registry":null,"package":null},{"name":"num","req":"^0.4.1","features":[],"optional":false,"default_features":true,"target":null,"kind":"normal","registry":"https://github.com/rust-lang/crates.io-index","package":null},{"name":"num-traits","req":"^0.2.16","features":[],"optional":false,"default_features":true,"target":null,"kind":"normal","registry":"https://github.com/rust-lang/crates.io-index","package":null}],"cksum":"4515d58fa875dc34becda6b4c277f8ccedbc289f1df1989a7714591732dede7b","features":{},"yanked":false}