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add.scala
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add.scala
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/*
* Copyright 2022 Erik Erlandson
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package coulomb.ops.standard
object add:
import scala.util.NotGiven
import scala.Conversion
import algebra.ring.AdditiveSemigroup
import coulomb.Quantity
import coulomb.syntax.withUnit
import coulomb.ops.{Add, ValueResolution}
transparent inline given ctx_add_1V1U[VL, UL, VR, UR](using
// https://github.com/lampepfl/dotty/issues/14585
eqv: VR =:= VL,
equ: UR =:= UL,
alg: AdditiveSemigroup[VL]
): Add[VL, UL, VR, UR] =
new infra.AddNC((ql: Quantity[VL, UL], qr: Quantity[VR, UR]) => alg.plus(ql.value, eqv(qr.value)).withUnit[UL])
transparent inline given ctx_add_1V2U[VL, UL, VR, UR](using
eqv: VR =:= VL,
neu: NotGiven[UR =:= UL],
icr: Conversion[Quantity[VR, UR], Quantity[VL, UL]],
alg: AdditiveSemigroup[VL]
): Add[VL, UL, VR, UR] =
new infra.AddNC((ql: Quantity[VL, UL], qr: Quantity[VR, UR]) => alg.plus(ql.value, icr(qr).value).withUnit[UL])
transparent inline given ctx_add_2V1U[VL, UL, VR, UR](using
nev: NotGiven[VR =:= VL],
equ: UR =:= UL,
vres: ValueResolution[VL, VR],
icl: Conversion[Quantity[VL, UL], Quantity[vres.VO, UL]],
icr: Conversion[Quantity[VR, UR], Quantity[vres.VO, UL]],
alg: AdditiveSemigroup[vres.VO]
): Add[VL, UL, VR, UR] =
new infra.AddNC((ql: Quantity[VL, UL], qr: Quantity[VR, UR]) => alg.plus(icl(ql).value, icr(qr).value).withUnit[UL])
transparent inline given ctx_add_2V2U[VL, UL, VR, UR](using
nev: NotGiven[VR =:= VL],
neu: NotGiven[UR =:= UL],
vres: ValueResolution[VL, VR],
icl: Conversion[Quantity[VL, UL], Quantity[vres.VO, UL]],
icr: Conversion[Quantity[VR, UR], Quantity[vres.VO, UL]],
alg: AdditiveSemigroup[vres.VO]
): Add[VL, UL, VR, UR] =
new infra.AddNC((ql: Quantity[VL, UL], qr: Quantity[VR, UR]) => alg.plus(icl(ql).value, icr(qr).value).withUnit[UL])
object infra:
class AddNC[VL, UL, VR, UR, VOp, UOp](val eval: (Quantity[VL, UL], Quantity[VR, UR]) => Quantity[VOp, UOp]) extends Add[VL, UL, VR, UR]:
type VO = VOp
type UO = UOp