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Manpages FABSSection: Linux Programmer's Manual (3 )Updated: 2001-06-07 Index Return to Main Contents NAMEfabs, fabsf, fabsl - absolute value of floating-point numberSYNOPSIS#include <math.h> double fabs(double x); DESCRIPTIONThe fabs functions return the absolute value of the floating-point number x.ERRORSNo errors can occur.CONFORMING TOThe fabs() function conforms to SVID 3, POSIX, BSD 4.3, ISO 9899. The other functions are from C99.SEE ALSOabs(3), ceil(3), floor(3), labs(3), rint(3)
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