ContinuedFractionConvergentL 函数

完全限定的名称：Std.Math.ContinuedFractionConvergentL

function ContinuedFractionConvergentL(fraction : (BigInt, BigInt), denominatorBound : BigInt) : (BigInt, BigInt)

总结

查找最接近 fraction 且分母小于或等于 denominatorBound 的继续小数收敛点：https://nrich.maths.org/1397