实数与文本转化的子程序函数声明如下：voidreal2txt(char*text,floatf,intwidth);voidreal2txt(char*text,doublef,intwidth);voidtxt2real(char*text,float*f,intwidth);voidtxt2real(char*text,double*f,intwidth);编译及运行要求：支持Intel指令集，支持C与汇编混合编译。(如Windows