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package execution // import "gorgonia.org/tensor/internal/execution"
import (
"fmt"
"reflect"
"unsafe"
"gorgonia.org/tensor/internal/storage"
)
// E is the standard engine. It's to be embedded in package tensor
type E struct{}
// basic types supported.
var (
Bool = reflect.TypeOf(true)
Int = reflect.TypeOf(int(1))
Int8 = reflect.TypeOf(int8(1))
Int16 = reflect.TypeOf(int16(1))
Int32 = reflect.TypeOf(int32(1))
Int64 = reflect.TypeOf(int64(1))
Uint = reflect.TypeOf(uint(1))
Uint8 = reflect.TypeOf(uint8(1))
Uint16 = reflect.TypeOf(uint16(1))
Uint32 = reflect.TypeOf(uint32(1))
Uint64 = reflect.TypeOf(uint64(1))
Float32 = reflect.TypeOf(float32(1))
Float64 = reflect.TypeOf(float64(1))
Complex64 = reflect.TypeOf(complex64(1))
Complex128 = reflect.TypeOf(complex128(1))
String = reflect.TypeOf("")
// aliases
Byte = Uint8
// extras
Uintptr = reflect.TypeOf(uintptr(0))
UnsafePointer = reflect.TypeOf(unsafe.Pointer(&Uintptr))
)
func isScalar(a *storage.Header, t reflect.Type) bool { return a.TypedLen(t) == 1 }
type errorIndices []int
func (e errorIndices) Indices() []int { return []int(e) }
func (e errorIndices) Error() string { return fmt.Sprintf("Error in indices %v", []int(e)) }
const (
lenMismatch = `Cannot compare with differing lengths: %d and %d`
reductionErrMsg = `Cannot reduce with function of type %T`
defaultValueErrMsg = `Expected default value of type %T. Got %v of %T instead`
typeMismatch = `TypeMismatch: a %T and b %T`
)
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