forked from M-Labs/nalgebra
186 lines
8.4 KiB
Rust
186 lines
8.4 KiB
Rust
#![macro_use]
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// FIXME: merge with `md_impl`.
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/// Macro for the implementation of multiplication and division.
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macro_rules! md_impl(
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(
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// Operator, operator method, and calar bounds.
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$Op: ident, $op: ident $(where N: $($ScalarBounds: ident),*)*;
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// Storage dimensions, and dimension bounds.
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($R1: ty, $C1: ty),($R2: ty, $C2: ty) for $($Dims: ident: $DimsBound: ident $(<$($BoundParam: ty),*>)*),+
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// [Optional] Extra allocator bounds.
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$(where $ConstraintType: ty: $ConstraintBound: ident<$($ConstraintBoundParams: ty $( = $EqBound: ty )*),*> )*;
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// Argument identifiers and types + output.
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$lhs: ident: $Lhs: ty, $rhs: ident: $Rhs: ty, Output = $Result: ty;
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// Operator actual mplementation.
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$action: expr;
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// Lifetime.
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$($lives: tt),*) => {
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impl<$($lives ,)* N $(, $Dims: $DimsBound $(<$($BoundParam),*>)*)*> $Op<$Rhs> for $Lhs
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where N: Scalar + Zero + One + ClosedAdd + ClosedMul $($(+ $ScalarBounds)*)*,
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DefaultAllocator: Allocator<N, $R1, $C1> +
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Allocator<N, $R2, $C2> +
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Allocator<N, $R1, $C2>,
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$( $ConstraintType: $ConstraintBound<$( $ConstraintBoundParams $( = $EqBound )*),*> ),*
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{
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type Output = $Result;
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#[inline]
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fn $op($lhs, $rhs: $Rhs) -> Self::Output {
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$action
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}
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}
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}
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);
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/// Macro for the implementation of multiplication and division.
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/// Implements all the argument reference combinations.
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macro_rules! md_impl_all(
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(
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// Operator, operator method, and calar bounds.
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$Op: ident, $op: ident $(where N: $($ScalarBounds: ident),*)*;
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// Storage dimensions, and dimension bounds.
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($R1: ty, $C1: ty),($R2: ty, $C2: ty) for $($Dims: ident: $DimsBound: ident $(<$($BoundParam: ty),*>)*),+
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// [Optional] Extra allocator bounds.
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$(where $ConstraintType: ty: $ConstraintBound: ident<$($ConstraintBoundParams: ty $( = $EqBound: ty )*),*> )*;
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// Argument identifiers and types + output.
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$lhs: ident: $Lhs: ty, $rhs: ident: $Rhs: ty, Output = $Result: ty;
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// Operators actual implementations.
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[val val] => $action_val_val: expr;
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[ref val] => $action_ref_val: expr;
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[val ref] => $action_val_ref: expr;
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[ref ref] => $action_ref_ref: expr;) => {
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md_impl!(
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$Op, $op $(where N: $($ScalarBounds),*)*;
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($R1, $C1),($R2, $C2) for $($Dims: $DimsBound $(<$($BoundParam),*>)*),+
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$(where $ConstraintType: $ConstraintBound<$($ConstraintBoundParams $( = $EqBound )*),*>)*;
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$lhs: $Lhs, $rhs: $Rhs, Output = $Result;
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$action_val_val; );
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md_impl!(
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$Op, $op $(where N: $($ScalarBounds),*)*;
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($R1, $C1),($R2, $C2) for $($Dims: $DimsBound $(<$($BoundParam),*>)*),+
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$(where $ConstraintType: $ConstraintBound<$($ConstraintBoundParams $( = $EqBound )*),*>)*;
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$lhs: &'a $Lhs, $rhs: $Rhs, Output = $Result;
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$action_ref_val; 'a);
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md_impl!(
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$Op, $op $(where N: $($ScalarBounds),*)*;
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($R1, $C1),($R2, $C2) for $($Dims: $DimsBound $(<$($BoundParam),*>)*),+
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$(where $ConstraintType: $ConstraintBound<$($ConstraintBoundParams $( = $EqBound )*),*>)*;
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$lhs: $Lhs, $rhs: &'b $Rhs, Output = $Result;
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$action_val_ref; 'b);
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md_impl!(
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$Op, $op $(where N: $($ScalarBounds),*)*;
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($R1, $C1),($R2, $C2) for $($Dims: $DimsBound $(<$($BoundParam),*>)*),+
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$(where $ConstraintType: $ConstraintBound<$($ConstraintBoundParams $( = $EqBound )*),*>)*;
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$lhs: &'a $Lhs, $rhs: &'b $Rhs, Output = $Result;
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$action_ref_ref; 'a, 'b);
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}
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);
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/// Macro for the implementation of assignement-multiplication and assignement-division.
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macro_rules! md_assign_impl(
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(
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// Operator, operator method, and scalar bounds.
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$Op: ident, $op: ident $(where N: $($ScalarBounds: ident),*)*;
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// Storage dimensions, and dimension bounds.
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($R1: ty, $C1: ty),($R2: ty, $C2: ty) for $($Dims: ident: $DimsBound: ident $(<$($BoundParam: ty),*>)*),+
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// [Optional] Extra allocator bounds.
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$(where $ConstraintType: ty: $ConstraintBound: ident $(<$($ConstraintBoundParams: ty $( = $EqBound: ty )*),*>)* )*;
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// Argument identifiers and types.
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$lhs: ident: $Lhs: ty, $rhs: ident: $Rhs: ty;
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// Actual implementation and lifetimes.
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$action: expr; $($lives: tt),*) => {
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impl<$($lives ,)* N $(, $Dims: $DimsBound $(<$($BoundParam),*>)*)*> $Op<$Rhs> for $Lhs
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where N: Scalar + Zero + One + ClosedAdd + ClosedMul $($(+ $ScalarBounds)*)*,
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DefaultAllocator: Allocator<N, $R1, $C1> +
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Allocator<N, $R2, $C2>,
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$( $ConstraintType: $ConstraintBound $(<$( $ConstraintBoundParams $( = $EqBound )*),*>)* ),*
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{
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#[inline]
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fn $op(&mut $lhs, $rhs: $Rhs) {
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$action
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}
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}
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}
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);
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/// Macro for the implementation of assignement-multiplication and assignement-division with and
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/// without reference to the right-hand-side.
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macro_rules! md_assign_impl_all(
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(
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// Operator, operator method, and scalar bounds.
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$Op: ident, $op: ident $(where N: $($ScalarBounds: ident),*)*;
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// Storage dimensions, and dimension bounds.
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($R1: ty, $C1: ty),($R2: ty, $C2: ty) for $($Dims: ident: $DimsBound: ident $(<$($BoundParam: ty),*>)*),+
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// [Optional] Extra allocator bounds.
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$(where $ConstraintType: ty: $ConstraintBound: ident$(<$($ConstraintBoundParams: ty $( = $EqBound: ty )*),*>)* )*;
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// Argument identifiers and types.
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$lhs: ident: $Lhs: ty, $rhs: ident: $Rhs: ty;
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// Actual implementation and lifetimes.
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[val] => $action_val: expr;
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[ref] => $action_ref: expr;) => {
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md_assign_impl!(
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$Op, $op $(where N: $($ScalarBounds),*)*;
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($R1, $C1),($R2, $C2) for $($Dims: $DimsBound $(<$($BoundParam),*>)*),+
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$(where $ConstraintType: $ConstraintBound $(<$($ConstraintBoundParams $( = $EqBound )*),*>)*)*;
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$lhs: $Lhs, $rhs: $Rhs;
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$action_val; );
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md_assign_impl!(
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$Op, $op $(where N: $($ScalarBounds),*)*;
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($R1, $C1),($R2, $C2) for $($Dims: $DimsBound $(<$($BoundParam),*>)*),+
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$(where $ConstraintType: $ConstraintBound $(<$($ConstraintBoundParams $( = $EqBound )*),*>)*)*;
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$lhs: $Lhs, $rhs: &'b $Rhs;
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$action_ref; 'b);
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}
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);
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// FIXME: merge with `as_impl`.
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/// Macro for the implementation of addition and subtraction.
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macro_rules! add_sub_impl(
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($Op: ident, $op: ident, $bound: ident;
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($R1: ty, $C1: ty),($R2: ty, $C2: ty) $(-> ($RRes: ty))* for $($Dims: ident: $DimsBound: ident $(<$($BoundParam: ty),*>)*),+;
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$lhs: ident: $Lhs: ty, $rhs: ident: $Rhs: ty, Output = $Result: ty;
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$action: expr; $($lives: tt),*) => {
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impl<$($lives ,)* N $(, $Dims: $DimsBound $(<$($BoundParam),*>)*)*> $Op<$Rhs> for $Lhs
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where N: Scalar + $bound,
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DefaultAllocator: Allocator<N, $R1, $C1> +
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Allocator<N, $R2, $C2> +
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SameShapeAllocator<N, $R1, $C1, $R2, $C2>,
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ShapeConstraint: SameNumberOfRows<$R1, $R2 $(, Representative = $RRes)*> +
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SameNumberOfColumns<$C1, $C2> {
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type Output = $Result;
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#[inline]
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fn $op($lhs, $rhs: $Rhs) -> Self::Output {
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$action
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}
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}
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}
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);
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// FIXME: merge with `md_assign_impl`.
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/// Macro for the implementation of assignement-addition and assignement-subtraction.
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macro_rules! add_sub_assign_impl(
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($Op: ident, $op: ident, $bound: ident;
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($R1: ty, $C1: ty),($R2: ty, $C2: ty) for $($Dims: ident: $DimsBound: ident),+;
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$lhs: ident: $Lhs: ty, $rhs: ident: $Rhs: ty;
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$action: expr; $($lives: tt),*) => {
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impl<$($lives ,)* N $(, $Dims: $DimsBound)*> $Op<$Rhs> for $Lhs
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where N: Scalar + $bound,
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DefaultAllocator: Allocator<N, $R1, $C1> +
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Allocator<N, $R2, $C2>,
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ShapeConstraint: SameNumberOfRows<$R1, $R2> + SameNumberOfColumns<$C1, $C2> {
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#[inline]
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fn $op(&mut $lhs, $rhs: $Rhs) {
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$action
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}
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}
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}
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);
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