//go:build !cufft package gpufft import "errors" type Engine struct{} func Available() bool { return false } func New(n int) (*Engine, error) { return nil, errors.New("cufft build tag not enabled") } func (e *Engine) Close() {} func (e *Engine) Exec(in []complex64) ([]complex64, error) { return nil, errors.New("cufft build tag not enabled") }