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// Package fibber implements a Fibonacci sequence generator using a C
// coded compute kernel (a .syso file).
package fibber
import (
"unsafe"
)
// State is the native Go form of the C.state structure.
type State struct {
B, A uint32
}
// cPtr converts State into a C pointer suitable as an argument for
// sysoCaller.
func (s *State) cPtr() unsafe.Pointer {
return unsafe.Pointer(&s.B)
}
// NewState initializes a Fibonacci Number sequence generator. Upon
// return s.A=0 and s.B=1 are the first two numbers in the sequence.
func NewState() *State {
s := &State{}
syso__fib_init.call(s.cPtr())
return s
}
// Next advances the state to the next number in the sequence. Upon
// return, s.B is the most recently calculated value.
func (s *State) Next() {
syso__fib_next.call(s.cPtr())
}
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