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Planer: non-mutable reference enables threading #117

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Planer: non-mutable reference enables threading #117

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18 changes: 10 additions & 8 deletions fftw/src/plan.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -36,6 +36,8 @@ pub struct Plan<A, B, Plan: PlanSpec> {
phantom: PhantomData<(A, B)>,
}

unsafe impl<A: Sync, B: Sync> Sync for Plan<A, B, Plan32> {}
unsafe impl<A: Sync, B: Sync> Sync for Plan<A, B, Plan64> {}
unsafe impl<A: Send, B: Send> Send for Plan<A, B, Plan32> {}
unsafe impl<A: Send, B: Send> Send for Plan<A, B, Plan64> {}

Expand Down Expand Up @@ -97,7 +99,7 @@ pub trait C2CPlan: Sized {
) -> Result<Self>;

/// Execute complex-to-complex transform
fn c2c(&mut self, in_: &mut [Self::Complex], out: &mut [Self::Complex]) -> Result<()>;
fn c2c(&self, in_: &mut [Self::Complex], out: &mut [Self::Complex]) -> Result<()>;
}

/// Trait for the plan of Real-to-Complex transformation
Expand All @@ -124,7 +126,7 @@ pub trait R2CPlan: Sized {
) -> Result<Self>;

/// Execute real-to-complex transform
fn r2c(&mut self, in_: &mut [Self::Real], out: &mut [Self::Complex]) -> Result<()>;
fn r2c(&self, in_: &mut [Self::Real], out: &mut [Self::Complex]) -> Result<()>;
}

/// Trait for the plan of Complex-to-Real transformation
Expand All @@ -151,7 +153,7 @@ pub trait C2RPlan: Sized {
) -> Result<Self>;

/// Execute complex-to-real transform
fn c2r(&mut self, in_: &mut [Self::Complex], out: &mut [Self::Real]) -> Result<()>;
fn c2r(&self, in_: &mut [Self::Complex], out: &mut [Self::Real]) -> Result<()>;
}

pub trait R2RPlan: Sized {
Expand All @@ -175,7 +177,7 @@ pub trait R2RPlan: Sized {
) -> Result<Self>;

/// Execute complex-to-complex transform
fn r2r(&mut self, in_: &mut [Self::Real], out: &mut [Self::Real]) -> Result<()>;
fn r2r(&self, in_: &mut [Self::Real], out: &mut [Self::Real]) -> Result<()>;
}

macro_rules! impl_c2c {
Expand Down Expand Up @@ -204,7 +206,7 @@ macro_rules! impl_c2c {
phantom: PhantomData,
})
}
fn c2c(&mut self, in_: &mut [Self::Complex], out: &mut [Self::Complex]) -> Result<()> {
fn c2c(&self, in_: &mut [Self::Complex], out: &mut [Self::Complex]) -> Result<()> {
self.check(in_, out)?;
unsafe { $exec(self.plan, in_.as_mut_ptr(), out.as_mut_ptr()) };
Ok(())
Expand Down Expand Up @@ -242,7 +244,7 @@ macro_rules! impl_r2c {
phantom: PhantomData,
})
}
fn r2c(&mut self, in_: &mut [Self::Real], out: &mut [Self::Complex]) -> Result<()> {
fn r2c(&self, in_: &mut [Self::Real], out: &mut [Self::Complex]) -> Result<()> {
self.check(in_, out)?;
unsafe { $exec(self.plan, in_.as_mut_ptr(), out.as_mut_ptr()) };
Ok(())
Expand Down Expand Up @@ -280,7 +282,7 @@ macro_rules! impl_c2r {
phantom: PhantomData,
})
}
fn c2r(&mut self, in_: &mut [Self::Complex], out: &mut [Self::Real]) -> Result<()> {
fn c2r(&self, in_: &mut [Self::Complex], out: &mut [Self::Real]) -> Result<()> {
self.check(in_, out)?;
unsafe { $exec(self.plan, in_.as_mut_ptr(), out.as_mut_ptr()) };
Ok(())
Expand Down Expand Up @@ -318,7 +320,7 @@ macro_rules! impl_r2r {
phantom: PhantomData,
})
}
fn r2r(&mut self, in_: &mut [Self::Real], out: &mut [Self::Real]) -> Result<()> {
fn r2r(&self, in_: &mut [Self::Real], out: &mut [Self::Real]) -> Result<()> {
self.check(in_, out)?;
unsafe { $exec(self.plan, in_.as_mut_ptr(), out.as_mut_ptr()) };
Ok(())
Expand Down