update to latest pyo3 and numpy versions, adjusted function signatures

Cargo.toml

@@ -15,17 +15,17 @@ exclude = ["/.github/*", "*.ipynb", "./docs/*"]
 
 [dependencies]
 num-traits = "0.2"
-pyo3 = { version = "0.16", optional = true }
+pyo3 = { version = "0.18", optional = true }
 ndarray = { version = "0.15", optional = true }
-numpy = { version = "0.16", optional = true }
+numpy = { version = "0.18", optional = true }
 
 [features]
 default = []
 python = ["pyo3", "numpy", "ndarray"]
 linalg = ["ndarray"]
 
 [dev-dependencies]
-criterion = "0.3"
+criterion = "0.4"
 approx = "0.5"
 
 [[bench]]

build_wheel/Cargo.toml

@@ -19,4 +19,4 @@ crate-type = ["cdylib"]
 
 [dependencies]
 num-dual = { path = "..", features = ["python"]}
-pyo3 = { version = "0.16", features = ["extension-module", "abi3", "abi3-py37", "multiple-pymethods"] }
+pyo3 = { version = "0.18", features = ["extension-module", "abi3", "abi3-py37", "multiple-pymethods"] }

build_wheel/src/lib.rs

@@ -1,7 +1,7 @@
-use num_dual as num_dual_rs;
+use ::num_dual as num_dual_rs;
 use pyo3::prelude::*;
 
-/// Implementation of SI numbers.
+/// Implementation of dual numbers.
 #[pymodule]
 pub fn num_dual(_py: Python<'_>, m: &PyModule) -> PyResult<()> {
     num_dual_rs::python::num_dual(_py, m)

src/python/dual.rs

@@ -72,7 +72,6 @@ macro_rules! impl_dual_n {
 macro_rules! impl_derive {
     ([$(($py_type_name:ident, $n:literal)),+]) => {
         #[pyfunction]
-        #[pyo3(text_signature = "(x)")]
         pub fn derive1(x: &PyAny) -> PyResult<PyObject> {
             Python::with_gil(|py| {
                 if let Ok(x) = x.extract::<f64>() {

src/python/dual3.rs

@@ -71,7 +71,6 @@ impl PyDual3Dual64 {
 impl_dual_num!(PyDual3Dual64, Dual3<Dual64, f64>, PyDual64);
 
 #[pyfunction]
-#[pyo3(text_signature = "(x)")]
 pub fn derive3(x: &PyAny) -> PyResult<PyObject> {
     Python::with_gil(|py| {
         if let Ok(x) = x.extract::<f64>() {

src/python/macros.rs

@@ -213,7 +213,6 @@ macro_rules! impl_dual_num {
             }
 
             #[inline]
-            #[pyo3(text_signature = "($self, b: Self, c: Self)")]
             /// Fused multiply-add. Computes (self * a) + b with only one rounding error.
             fn mul_add(&self, a: Self, b: Self) -> Self {
                 self.0.mul_add(a.0, b.0).into()