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EXP (3) | C library functions | Unix Manual Pages | :man

NAME

log10 - base-10 logarithmic function

CONTENTS

Synopsis
Description
Errors

SYNOPSIS



#include <math.h>



"double log10(double "x);



"float log10f(float "x);



"long double log10l(long double "x);

DESCRIPTION

The log10() function returns the natural logarithm of x.

ERRORS

The log10() function can return the following errors: -->
EDOM The argument x is negative.
ERANGE The argument x is zero. The log of zero is not defined.

"CONFORMING TO"

SVID 3, POSIX, BSD 4.3, ISO 9899. The float and the long double variants are C99 requirements.

"SEE ALSO"

sqrt(3), cbrt(3)


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