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Convert a floating point number to string in C
In this section we will see how to convert a number (integer or float or any other numeric type data) to a string.
The logic is very simple. Here we will use the sprintf() function. This function is used to print some value or line into a string, but not in the console. This is the only difference between printf() and sprintf(). Here the first argument is the string buffer. where we want to save our data.
Input: User will put some numeric value say 42.26 Output: This program will return the string equivalent result of that number like “42.26”
Algorithm
Step 1 − Take a number from the user Step 2 − Create an empty string buffer to store result Step 3 − Use sprintf() to convert number to string Step 4 − End
Example Code
#include<stdio.h>
main() {
char str[20]; //create an empty string to store number
float number;
printf("Enter a number: ");
scanf("%f", &number);
sprintf(str, "%f", number);//make the number into string using sprintf function
printf("You have entered: %s", str);
}Output
Enter a number: 46.3258 You have entered: 46.325802
Updated on: 30-Jul-2019
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