我们被要求在下面做一个功能。我需要帮助 [英] We were asked to make a function below. I need help please

问题描述

float toFloat（char st []） - 返回st的浮点数。假设st是浮点值的有效字符串表示形式。我们被要求在不使用c中的内置函数且没有指针的情况下创建该函数。请帮助

float toFloat(char st[]) - returns the float equivalent of st. Assume that st is a valid string representation of a float value. We were asked to make that function without using built-in functions in c and also without pointers. please help

推荐答案

您可以在字符串字符的单次迭代中执行此操作，它只是一个乘法和添加作业。

You can do that in a single iteration over the string characters, it's just a multiply and add job.

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