1cabs(3)                    Library Functions Manual                    cabs(3)
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NAME

6       cabs, cabsf, cabsl - absolute value of a complex number
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LIBRARY

9       Math library (libm, -lm)
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SYNOPSIS

12       #include <complex.h>
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14       double cabs(double complex z);
15       float cabsf(float complex z);
16       long double cabsl(long double complex z);
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DESCRIPTION

19       These functions return the absolute value of the complex number z.  The
20       result is a real number.
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ATTRIBUTES

23       For an  explanation  of  the  terms  used  in  this  section,  see  at‐
24       tributes(7).
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26       ┌────────────────────────────────────────────┬───────────────┬─────────┐
27       │Interface                                   │ Attribute     │ Value   │
28       ├────────────────────────────────────────────┼───────────────┼─────────┤
29       │cabs(), cabsf(), cabsl()                    │ Thread safety │ MT-Safe │
30       └────────────────────────────────────────────┴───────────────┴─────────┘
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STANDARDS

33       C11, POSIX.1-2008.
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HISTORY

36       glibc 2.1.  C99, POSIX.1-2001.
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NOTES

39       The  function  is  actually an alias for hypot(a, b) (or, equivalently,
40       sqrt(a*a + b*b)).
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SEE ALSO

43       abs(3), cimag(3), hypot(3), complex(7)
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47Linux man-pages 6.05              2023-07-20                           cabs(3)
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