Question

How to extract the int part and the decimal part from float number in C

Answer 1

#include <stdio.h> 

int main() 
{ 
    float f = 376.287152; 
    
	int ipart = (int)f; 
	float fpart = f - (float)ipart; 
	
	printf("%d\n", ipart); 
	printf("%f\n", fpart); 
	
    return 0; 
}   
      
      
/*
run:
      
376
0.287140
    
*/

 

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Answer 2

#include <stdio.h> 

int main() 
{ 
    float f = 376.287152; 
    
	int ipart = (int)f; 
	int fpart = 1000000 * (f - ipart);
	
	printf("%d\n", ipart); 
	printf("%d\n", fpart); 
	
    return 0; 
}   
      
      
/*
run:
      
376
287139
    
*/

 

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