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fabs |
Portability: | ISO/ANSI C conforming, UNIX compatible |
SYNOPSIS | |
DESCRIPTION | |
RETURN VALUE | |
IMPLEMENTATION | |
EXAMPLE | |
RELATED FUNCTIONS | |
SEE ALSO |
SYNOPSIS |
#include <math.h> double fabs(double y);
DESCRIPTION |
fabs
takes the absolute value of a double-precision, floating-point number.
RETURN VALUE |
fabs
returns the absolute value of the argument
y
.
Both the operand
y
and the result are
of type
double
.
IMPLEMENTATION |
fabs
is implemented as a built-in function unless it is undefined by an
#undef
statement.
EXAMPLE |
#include <math.h> #include <stdio.h> main() { double a, b, c; puts("Enter values for a & b"); scanf("%lf %lf", &a, &b); c = fabs(a-b); printf("The absolute value of their difference = %f", c ); }
RELATED FUNCTIONS |
SEE ALSO |
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