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Float and Double in C
Float
Float is a datatype which is used to represent the floating point numbers. It is a 32-bit IEEE 754 single precision floating point number (1-bit for the sign, 8-bit for exponent, 23*-bit for the value. It has 6 decimal digits of precision.
Here is the syntax of float in C language,
float variable_name;
Here is an example of float in C language,
Example
#include<stdio.h> #include<string.h> int main() { float x = 10.327; int y = 28; printf("The float value : %f
", x); printf("The sum of float and int variable : %f
", (x+y)); return 0; }
Output
The float value : 10.327000 The sum of float and int variable : 38.327000
Double
Double is also a datatype which is used to represent the floating point numbers. It is a 64-bit IEEE 754 double precision floating point number for the value. It has 15 decimal digits of precision.
Here is the syntax of double in C language,
double variable_name;
Here is an example of double in C language,
Example
#include<stdio.h> #include<string.h> int main() { float x = 10.327; double y = 4244.546; int z = 28; printf("The float value : %f
", x); printf("The double value : %f
", y); printf("The sum of float,double and int variable : %f
", (x+y+z)); return 0; }
Output
The float value : 10.327000 The double value : 4244.546000 The sum of float, double and int variable : 4282.873000
Updated on: 02-Sep-2023
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