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package main
import "reflect"
type Op interface {
Name() string
Arity() int
SymbolTemplate() string
TypeClass() TypeClass
IsFunc() bool
}
type TypedOp interface {
Op
Kind() reflect.Kind
}
type BinOp interface {
Op
IsBinOp()
}
type UnaryOp interface {
Op
IsUnaryOp()
}
type RetSamer interface {
RetSame() bool
}
type basicBinOp struct {
symbol string
name string
isFunc bool
is TypeClass
}
type arithOp struct {
basicBinOp
TypeClassName string
HasIdentity bool
Identity int
IsInv bool
Inv string
IsCommutative bool
IsInvolutionary bool
}
type cmpOp struct {
basicBinOp
TypeClassName string
Inv string
IsTransitive bool
IsSymmetric bool
}
func (op basicBinOp) Name() string { return op.name }
func (op basicBinOp) Arity() int { return 2 }
func (op basicBinOp) SymbolTemplate() string { return op.symbol }
func (op basicBinOp) TypeClass() TypeClass { return op.is }
func (op basicBinOp) IsFunc() bool { return op.isFunc }
func (op basicBinOp) IsBinOp() {}
type TypedBinOp struct {
BinOp
k reflect.Kind
}
// IsFunc contains special conditions
func (op TypedBinOp) IsFunc() bool {
if op.Name() == "Mod" && isFloatCmplx(op.k) {
return true
}
return op.BinOp.IsFunc()
}
func (op TypedBinOp) Kind() reflect.Kind { return op.k }
type unaryOp struct {
symbol string
name string
isfunc bool
is TypeClass
TypeClassName string // mainly used in tests
Inv string
}
func (op unaryOp) Name() string { return op.name }
func (op unaryOp) Arity() int { return 1 }
func (op unaryOp) SymbolTemplate() string { return op.symbol }
func (op unaryOp) TypeClass() TypeClass { return op.is }
func (op unaryOp) IsFunc() bool { return op.isfunc }
func (op unaryOp) IsUnaryOp() {}
type TypedUnaryOp struct {
UnaryOp
k reflect.Kind
}
func (op TypedUnaryOp) Kind() reflect.Kind { return op.k }
type specialUnaryOp struct {
unaryOp
additionalParams []string
}
type Level int
const (
Basic Level = iota
InternalE
StdEng
Dense
API
)
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