go/src/math/big/example_rat_test.go

// Use the classic continued fraction for e
//
//	e = [1; 0, 1, 1, 2, 1, 1, ... 2n, 1, 1, ...]
//
// i.e., for the nth term, use
//
//	   1          if   n mod 3 != 1
//	(n-1)/3 * 2   if   n mod 3 == 1
func recur(n, lim int64) *big.Rat { … }

// This example demonstrates how to use big.Rat to compute the
// first 15 terms in the sequence of rational convergents for
// the constant e (base of natural logarithm).
func Example_eConvergents() { … }