Added additional formats

0.3.2-dev

Author: urbanij

py-posit/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "jposit"
-version = "0.3.1-dev"
+version = "0.3.2-dev"
 authors = ["Francesco Urbani <francescourbanidue@gmail.com>"]
 description = "Rust and Python bindings for the Posit numerical format library."
 license = "MIT OR Apache-2.0"

py-posit/jposit/demo.py

@@ -1,7 +1,14 @@
 def demo():
   from . import from_bits, from_double
+  print (f"{from_bits(0b0110, 4, 0)=}")
+
   print (f"{from_bits(123, 8, 0)=}")
   print (f"{from_bits(123, 8, 5)=}")
+
   print (f"{from_bits(123, 16, 1)=}")
   print (f"{from_double(44.3, 16, 1)=}")
   print (f"{from_double(44.3, 16, 6)=}")
+
+  print (f"{from_double(0.55222, 32, 2)=}")
+
+  print (f"{from_double(214.13, 64, 3)=}")

py-posit/pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "maturin"
 
 [project]
 name = "jposit"
-version = "0.3.1-dev"
+version = "0.3.2-dev"
 description = "jposit"
 authors = [{ name = "Franceco Urbani", email = "francescourbanidue@gmail.com" }]
 readme = "README.md"

py-posit/src/lib.rs

@@ -42,26 +42,46 @@ macro_rules! match_double {
 #[pyfunction]
 fn __from_bits(bits: u64, n: u32, es: u32) -> Option<f64> {
     match_bits!(n, es, bits => {
+        4, 0 => P4E0,
         8, 0 => P8E0,
         8, 1 => P8E1,
         8, 2 => P8E2,
         8, 5 => P8E5,
         16, 0 => P16E0,
         16, 1 => P16E1,
-        16, 2 => P16E2
+        16, 2 => P16E2,
+        32, 0 => P32E0,
+        32, 1 => P32E1,
+        32, 2 => P32E2,
+        32, 3 => P32E3,
+        32, 4 => P32E4,
+        32, 5 => P32E5,
+        32, 6 => P32E6,
+        32, 7 => P32E7,
+        32, 8 => P32E8,
     })
 }
 
 #[pyfunction]
 fn __from_double(x: f64, n: u32, es: u32) -> Option<f64> {
     let result = match_double!(x, n, es => {
+        4, 0 => posit::P4E0,
         8, 0 => posit::P8E0,
         8, 1 => posit::P8E1,
         8, 2 => posit::P8E2,
         8, 5 => posit::P8E5,
         16, 0 => posit::P16E0,
         16, 1 => posit::P16E1,
-        16, 2 => posit::P16E2
+        16, 2 => posit::P16E2,
+        32, 0 => posit::P32E0,
+        32, 1 => posit::P32E1,
+        32, 2 => posit::P32E2,
+        32, 3 => posit::P32E3,
+        32, 4 => posit::P32E4,
+        32, 5 => posit::P32E5,
+        32, 6 => posit::P32E6,
+        32, 7 => posit::P32E7,
+        32, 8 => posit::P32E8,
     });
 
     result.unwrap_or(None)

src/lib.rs

@@ -56,7 +56,7 @@ use core::{f64, fmt, ops, u16, u32, u64, u8};
 use cast::{i16, i32, u16, u32, u64, Error};
 use typenum::{Cmp, Less, Unsigned, U0, U1, U16, U17, U2, U3, U32, U4, U5, U6, U7, U8, U9};
 #[cfg(not(feature = "const-fn"))]
-use typenum::{Greater, U33};
+use typenum::{Greater, U33, U64};
 #[cfg(feature = "const-fn")]
 use typenum::{
     U10, U11, U12, U13, U14, U15, U18, U19, U20, U21, U22, U23, U24, U25, U26, U27, U28, U29, U30,
@@ -881,6 +881,8 @@ new!(U30, u32, 0b11_1111_1111_1111_1111_1111_1111_1111);
 new!(U31, u32, 0b111_1111_1111_1111_1111_1111_1111_1111);
 new!(U32, u32, 0b1111_1111_1111_1111_1111_1111_1111_1111);
 
+new!(U64, u64, 0xffff_ffff_ffff_ffff);
+
 // Type alias and checked cast function
 macro_rules! ty {
     ($ty:ident, $bits:ident, $nbits:ident, $es:ident) => {
@@ -896,6 +898,8 @@ macro_rules! ty {
     };
 }
 
+ty!(P4E0, u8, U4, U0);
+
 ty!(P8E0, u8, U8, U0);
 ty!(P8E1, u8, U8, U1);
 ty!(P8E2, u8, U8, U2);
@@ -920,6 +924,16 @@ ty!(P32E6, u32, U32, U6);
 ty!(P32E7, u32, U32, U7);
 ty!(P32E8, u32, U32, U8);
 
+ty!(P64E0, u64, U64, U0);
+ty!(P64E1, u64, U64, U1);
+ty!(P64E2, u64, U64, U2);
+ty!(P64E3, u64, U64, U3);
+ty!(P64E4, u64, U64, U4);
+ty!(P64E5, u64, U64, U5);
+ty!(P64E6, u64, U64, U6);
+ty!(P64E7, u64, U64, U7);
+ty!(P64E8, u64, U64, U8);
+
 #[cfg(test)]
 mod tests {
     use cast::{f64, Error, From};