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use numbers::*;
use super::super::{ToComplexResult, TransRes, Buffer, InsertZerosOps, InsertZerosOpsBuffered,
DspVec, ToSliceMut, MetaData, Domain, RealNumberSpace, RededicateForceOps,
ErrorReason};
pub trait RealToComplexTransformsOps<T>: ToComplexResult
where T: RealNumber
{
fn to_complex(self) -> TransRes<Self::ComplexResult>;
}
pub trait RealToComplexTransformsOpsBuffered<S, T>: ToComplexResult
where S: ToSliceMut<T>,
T: RealNumber
{
fn to_complex_b<B>(self, buffer: &mut B) -> Self::ComplexResult
where B: for<'a> Buffer<'a, S, T>;
}
impl<S, T, N, D> RealToComplexTransformsOps<T> for DspVec<S, T, N, D>
where DspVec<S, T, N, D>: ToComplexResult + InsertZerosOps<T>,
<DspVec<S, T, N, D> as ToComplexResult>::ComplexResult:
RededicateForceOps<DspVec<S, T, N, D>>,
S: ToSliceMut<T>,
T: RealNumber,
N: RealNumberSpace,
D: Domain {
fn to_complex(mut self) -> TransRes<Self::ComplexResult> {
if self.is_complex() {
self.number_space.to_complex();
return Err((ErrorReason::InputMustBeReal,
Self::ComplexResult::rededicate_from_force(self)));
}
let result = self.zero_interleave(2);
let domain = self.domain();
match result {
Err(reason) =>
Err((reason,
Self::ComplexResult::rededicate_with_runtime_data(self, true, domain))),
Ok(()) =>
Ok(Self::ComplexResult::rededicate_with_runtime_data(self, true, domain))
}
}
}
impl<S, T, N, D> RealToComplexTransformsOpsBuffered<S, T> for DspVec<S, T, N, D>
where DspVec<S, T, N, D>: ToComplexResult + InsertZerosOpsBuffered<S, T>,
<DspVec<S, T, N, D> as ToComplexResult>::ComplexResult:
RededicateForceOps<DspVec<S, T, N, D>>,
S: ToSliceMut<T>,
T: RealNumber,
N: RealNumberSpace,
D: Domain {
fn to_complex_b<B>(mut self, buffer: &mut B) -> Self::ComplexResult
where B: for<'a> Buffer<'a, S, T> {
if self.is_complex() {
self.number_space.to_complex();
self.valid_len = 0;
return Self::ComplexResult::rededicate_from_force(self);
}
self.zero_interleave_b(buffer, 2);
self.number_space.to_complex();
Self::ComplexResult::rededicate_from_force(self)
}
}