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Fabs

Item Value Header filemath.h Declarationfloat fabsf(float num);double fabs(double num);long double fabsl(long double num); Returnreturns the absolute value of num. #include <math.h>   #include <stdio.h>   int main(void)   {     printf("%1.1f %1.1f", fabs(1.0), fabs(-1.0));     return 0;   } 1.0 1.0