border_tch_agent/sac/critic/
config.rs

1use crate::opt::OptimizerConfig;
2use anyhow::Result;
3use serde::{de::DeserializeOwned, Deserialize, Serialize};
4use std::{
5    fs::File,
6    io::{BufReader, Write},
7    path::Path,
8};
9
10#[allow(clippy::upper_case_acronyms)]
11#[derive(Debug, Deserialize, Serialize, PartialEq, Clone)]
12/// Configuration of [`Critic`](super::Critic).
13pub struct CriticConfig<Q> {
14    pub q_config: Option<Q>,
15    pub opt_config: OptimizerConfig,
16}
17
18impl<Q> Default for CriticConfig<Q> {
19    fn default() -> Self {
20        Self {
21            q_config: None,
22            opt_config: OptimizerConfig::Adam { lr: 0.0 },
23        }
24    }
25}
26
27impl<Q> CriticConfig<Q>
28where
29    Q: DeserializeOwned + Serialize,
30{
31    /// Sets configurations for action-value function.
32    pub fn q_config(mut self, v: Q) -> Self {
33        self.q_config = Some(v);
34        self
35    }
36
37    /// Sets optimizer configuration.
38    pub fn opt_config(mut self, v: OptimizerConfig) -> Self {
39        self.opt_config = v;
40        self
41    }
42
43    /// Constructs [CriticConfig] from YAML file.
44    pub fn load(path: impl AsRef<Path>) -> Result<Self> {
45        let file = File::open(path)?;
46        let rdr = BufReader::new(file);
47        let b = serde_yaml::from_reader(rdr)?;
48        Ok(b)
49    }
50
51    /// Saves [CriticConfig].
52    pub fn save(&self, path: impl AsRef<Path>) -> Result<()> {
53        let mut file = File::create(path)?;
54        file.write_all(serde_yaml::to_string(&self)?.as_bytes())?;
55        Ok(())
56    }
57}
border_tch_agent/sac/critic/config.rs

border_tch_agent/sac/critic/
config.rs
