C Reference function fabs()

Usage of fabs():

double fabs(double x);


There is no range limit on the argument.

Return value:

There is no range limit on the return value.
A negative value becomes positive, positive value is unchanged. The return value is always positive.

Source code example of fabs():


		printf ("Absolute value of 3.51 is %lf\n", fabs(3.51));
		return 0;

Output of the fabs example program above:

	Absolute value of 3.51 is 3.510000

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