clog10
Section: C Library Functions (3)
Updated: 2022-12-15
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NAME
clog10, clog10f, clog10l - base-10 logarithm of a complex number
LIBRARY
Math library
(libm, -lm)
SYNOPSIS
#define _GNU_SOURCE /* See feature_test_macros(7) */
#include <complex.h>
double complex clog10(double complex z);
float complex clog10f(float complex z);
long double complex clog10l(long double complex z);
DESCRIPTION
The call
clog10(z)
is equivalent to:
clog(z)/log(10)
or equally:
log10(cabs(c)) + I * carg(c) / log(10)
The other functions perform the same task for
float
and
long double.
Note that
z
close to zero will cause an overflow.
VERSIONS
These functions first appeared in glibc 2.1.
ATTRIBUTES
For an explanation of the terms used in this section, see
attributes(7).
Interface | Attribute | Value
|
clog10(),
clog10f(),
clog10l()
| Thread safety | MT-Safe
|
STANDARDS
These functions are GNU extensions.
The identifiers are reserved for future use in C99 and C11.
SEE ALSO
cabs(3),
cexp(3),
clog(3),
clog2(3),
complex(7)
Index
- NAME
-
- LIBRARY
-
- SYNOPSIS
-
- DESCRIPTION
-
- VERSIONS
-
- ATTRIBUTES
-
- STANDARDS
-
- SEE ALSO
-
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