Mega Code Archive

 

Categories / C Tutorial / Math h

 

Copysign

Item Value Header filemath.h Declarationfloat copysignf(float val, float signval);double copysign(double val, double signval);long double copysignl(long double val, long double signval); Functiongives val the same sign as signval, and return the result. #include <math.h>   #include <stdio.h>   int main(void)   {     printf("%f", copysignf(1.0, -2.0));       } -1.000000