Merge branch 'U29x9' into 'main'

Add U29x9 widening windowed implementation

See merge request tokend/alpenlabs/fastmul!9

Author: ZamDimon

Cargo.lock

@@ -32,6 +32,7 @@ rand_chacha = "0.3.1"
 rand = "0.8.5"
 num-bigint = { version = "0.4.4", features = ["rand"] }
 ark-std = "0.4.0"
+konst = "0.3.9"
 
 [profile.dev]
 opt-level = 3

Cargo.toml

@@ -1,5 +1,6 @@
 pub mod add;
 pub mod mul;
+pub mod shl;
 pub mod u29x9;
 
 #[cfg(test)]