fixed fft and starting build stft

Cargo.toml

@@ -6,6 +6,7 @@ members = [
 	"harmonium-fft",
 	"harmonium-resample",
 	"harmonium-window",
+	"harmonium-stft",
 ]
 
 [workspace.dependencies]
@@ -23,6 +24,7 @@ harmonium-io = { path = "harmonium-io", default-features = false }
 harmonium-fft = { path = "harmonium-fft", default-features = false }
 harmonium-resample = { path = "harmonium-resample", default-features = false }
 harmonium-window = { path = "harmonium-window", default-features = false }
+harmonium-stft = { path = "harmonium-stft", default-features = false }
 
 [profile.release]
 opt-level = 3

harmonium-core/src/array.rs

@@ -14,8 +14,13 @@ where
     where
         Sh: Into<StrideShape<D>>,
     {
-        let ndarray =
-            ArcArray::from_shape_vec(shape, v).map_err(|_| HError::OutOfSpecError("shape does not correspond to the number of elements in v or if the shape/strides would result in overflowing isize".to_string()))?;
+        let ndarray = ArcArray::from_shape_vec(shape, v).map_err(|_| {
+            HError::OutOfSpecError(
+                "shape does not correspond to the number of elements
+                    in v or if the shape/strides would result in overflowing isize"
+                    .to_string(),
+            )
+        })?;
         Ok(HArray(ndarray))
     }
 

harmonium-core/src/audioop.rs

@@ -2,19 +2,18 @@ use crate::{
     array::HArray,
     errors::{HError, HResult},
 };
-use ndarray::{Axis, Dimension, Ix1, Ix2, IxDyn};
+use ndarray::{Axis, Dimension, Ix0, Ix1, Ix2, IxDyn};
 use num_traits::{Float, FloatConst, FromPrimitive};
 
-pub trait AudioOp<T, D, U>
+pub trait AudioOp<T, D>
 where
     T: Float + FloatConst + FromPrimitive,
     D: Dimension,
-    U: Dimension,
 {
     fn nchannels(&self) -> usize;
     fn nframes(&self) -> usize;
     fn db_to_amplitude(&mut self, reference: T, power: T);
-    fn to_mono(&self) -> HResult<HArray<T, U>>;
+    fn to_mono(&self) -> HResult<HArray<T, D::Smaller>>;
 }
 
 pub enum Audio<'a, T>
@@ -26,7 +25,7 @@ where
     Dyn(&'a HArray<T, IxDyn>),
 }
 
-impl<T> AudioOp<T, Ix1, Ix1> for HArray<T, Ix1>
+impl<T> AudioOp<T, Ix1> for HArray<T, Ix1>
 where
     T: Float + FloatConst + FromPrimitive,
 {
@@ -50,15 +49,15 @@ where
             .mapv_inplace(|x| reference * a.powf(b * x).powf(power));
     }
 
-    fn to_mono(&self) -> HResult<HArray<T, Ix1>> {
+    fn to_mono(&self) -> HResult<HArray<T, Ix0>> {
         // To return an error is a design choice. This wasn't supposed to error.
         Err(HError::OutOfSpecError(
             "The length of the axis is zero.".into(),
         ))
     }
 }
 
-impl<T> AudioOp<T, Ix2, Ix1> for HArray<T, Ix2>
+impl<T> AudioOp<T, Ix2> for HArray<T, Ix2>
 where
     T: Float + FloatConst + FromPrimitive,
 {
@@ -89,7 +88,7 @@ where
     }
 }
 
-impl<T> AudioOp<T, IxDyn, IxDyn> for HArray<T, IxDyn>
+impl<T> AudioOp<T, IxDyn> for HArray<T, IxDyn>
 where
     T: Float + FloatConst + FromPrimitive,
 {

harmonium-fft/Cargo.toml

@@ -7,7 +7,6 @@ edition = "2021"
 
 [dependencies]
 harmonium-core = { workspace = true }
-harmonium-io = { workspace = true }
 rustfft = { workspace = true }
 realfft = { workspace = true }
 ndarray = { workspace = true }