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use crate::{CalyxResult, Error};
pub fn parse(rep: u64, width: u64, fl: String) -> CalyxResult<u64> {
if rep != 0 {
return Err(Error::misc(format!(
"Unknown representation: {rep}. Support representations: 0 (IEEE754)"
)));
}
let bits: u64 = match width {
32 => {
let fl = fl.parse::<f32>().map_err(|e| {
Error::misc(format!(
"Expected valid floating point number: {e}"
))
})?;
fl.to_bits() as u64
}
64 => {
let fl = fl.parse::<f64>().map_err(|e| {
Error::misc(format!(
"Expected valid floating point number: {e}"
))
})?;
fl.to_bits()
}
r => {
return Err(Error::misc(format!(
"Unsupported floating point width: {r}. Supported values: 32, 64"
)))
}
};
Ok(bits)
}
pub fn emit(bits: u64, width: u64) -> CalyxResult<String> {
match width {
32 => {
let fl = f32::from_bits(bits as u32);
Ok(format!("{}", fl))
}
64 => {
let fl = f64::from_bits(bits);
Ok(format!("{}", fl))
}
r => Err(Error::misc(format!(
"Unsupported floating point width: {r}. Supported values: 32, 64"
))),
}
}