Why is there no exp10() in ksh93 arithmetic on Linux? log10() is
available in Linux builds of Version AJM 93v- 2012-11-20:
lionel@clustersuse122n0441:~> nm ~/bin/ksh | fgrep log10
U log10l@@GLIBC_2.2.5
Excerpt from the Linux exp10() man page:
NAME
exp10, exp10f, exp10l - base-10 exponential function
SYNOPSIS
#define _GNU_SOURCE /* See feature_test_macros(7) */
#include <math.h>
double exp10(double x);
float exp10f(float x);
long double exp10l(long double x);
Link with -lm.
DESCRIPTION
The exp10() function returns the value of 10 raised to the power of x.
RETURN VALUE
On success, these functions return the base-10 exponential value of x.
For various special cases, including the handling of infinity
and NaN, as well as overflows and underflows, see exp(3).
ERRORS
See math_error(7) for information on how to determine whether
an error has occurred when calling these functions.
For a discussion of the errors that can occur for these
functions, see exp(3).
Lionel
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