Manual Section... (3) - page: cabs
NAMEcabs, cabsf, cabsl - absolute value of a complex number
double cabs(double complex z);
float cabsf(float complex z);
long double cabsl(long double complex z);
DESCRIPTIONThe cabs() function returns the absolute value of the complex number z. The result is a real number.
VERSIONSThese functions first appeared in glibc in version 2.1.
NOTESThe function is actually an alias for hypot(a, b) (or, equivalently, sqrt(a*a + b*b)).
SEE ALSOabs(3), cimag(3), hypot(3), complex(7)
COLOPHONThis page is part of release 3.24 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/.
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Time: 15:26:55 GMT, June 11, 2010