CABS
Section: Linux Programmer's Manual (3)Updated: 2015-04-19
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NAME
cabs, cabsf, cabsl - absolute value of a complex numberSYNOPSIS
#include <complex.h>
double cabs(double complex z);
float cabsf(float complex z);
long double cabsl(long double complex z);
DESCRIPTION
These functions return 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.ATTRIBUTES
For an explanation of the terms used in this section, see attributes(7).Interface | Attribute | Value |
cabs(), cabsf(), cabsl() | Thread safety | MT-Safe |
CONFORMING TO
C99, POSIX.1-2001, POSIX.1-2008.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
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Time: 04:45:53 GMT, September 16, 2022
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