copysign: gives val the same sign as signval, and return the result : copysign « math.h « C / ANSI-C

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C / ANSI-C » math.h » copysign

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copysign: gives val the same sign as signval, and return the result





    



//Declaration: float copysignf(float val, float signval); 

               double copysign(double val, double signval); 

               long double copysignl(long double val, long double signval);  



  #include <math.h>

  #include <stdio.h>



  int main(void)

  {



    printf("%f", copysignf(1.0, -2.0));

   

  }



         

/*

-1.000000*/

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