func mpmovefltfix(a *Mpint, b *Mpflt) int { if _, acc := b.Val.Int(&a.Val); acc == big.Exact { return 0 } const delta = 16 // a reasonably small number of bits > 0 var t big.Float t.SetPrec(Mpprec - delta) // try rounding down a little t.SetMode(big.ToZero) t.Set(&b.Val) if _, acc := t.Int(&a.Val); acc == big.Exact { return 0 } // try rounding up a little t.SetMode(big.AwayFromZero) t.Set(&b.Val) if _, acc := t.Int(&a.Val); acc == big.Exact { return 0 } return -1 }