CABS(3) Linux Programmer's Manual CABS(3) NAME cabs, cabsf, cabsl - absolute value of a complex number SYNOPSIS #include <complex.h> double cabs(double complex z); float cabsf(float complex z); long double cabsl(long double complex z); Link with -lm. DESCRIPTION The cabs() function returns the absolute value of the complex number z. The result is a real number. VERSIONS These functions first appeared in glibc in version 2.1. CONFORMING TO C99. NOTES The function is actually an alias for hypot(a, b) (or, equivalently, sqrt(a*a + b*b)). SEE ALSO abs(3), cimag(3), hypot(3), complex(7) COLOPHON This page is part of release 3.27 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/. 2008-08-11 CABS(3)
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