CABS(3) Linux Programmer's Manual CABS(3)NAME
cabs, 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);
Link with -lm.
The cabs() function returns the absolute value of the complex number z.
The result is a real number.
These functions first appeared in glibc in version 2.1.
The 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)COLOPHON
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