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cabs(3) | Library Functions Manual | cabs(3) |
NAME¶
cabs, cabsf, cabsl - absolute value of a complex number
LIBRARY¶
Math library (libm, -lm)
SYNOPSIS¶
#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.
ATTRIBUTES¶
For an explanation of the terms used in this section, see attributes(7).
Interface | Attribute | Value |
cabs (), cabsf (), cabsl () | Thread safety | MT-Safe |
STANDARDS¶
C11, POSIX.1-2008.
HISTORY¶
glibc 2.1. C99, POSIX.1-2001.
NOTES¶
The function is actually an alias for hypot(a, b) (or, equivalently, sqrt(a*a + b*b)).
SEE ALSO¶
2024-05-02 | Linux man-pages (unreleased) |