func Qags(f F, a, b float64, epsabs, epsrel float64, limit int) (result, abserr float64, status int) { wf := C.wrapper_function(unsafe.Pointer(&f)) r := C.qags(wf, C.double(a), C.double(b), C.double(epsabs), C.double(epsrel), C.size_t(limit)) result = float64(r.result) abserr = float64(r.abserr) status = int(r.status) return }
func Qng(f F, a, b, epsabs, epsrel float64) (result, abserr float64, neval, status int) { wf := C.wrapper_function(unsafe.Pointer(&f)) r := C.qng(wf, C.double(a), C.double(b), C.double(epsabs), C.double(epsrel)) result = float64(r.result) abserr = float64(r.abserr) status = int(r.status) neval = int(r.neval) return }
func Qk(f F, a, b float64, key int) (result, abserr, resabs, resasc float64) { wf := C.wrapper_function(unsafe.Pointer(&f)) r := C.qk(wf, C.int(key), C.double(a), C.double(b)) result = float64(r.result) abserr = float64(r.abserr) resabs = float64(r.resabs) resasc = float64(r.resasc) return }