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EXP(3)                     Linux Programmer's Manual                    EXP(3)



NAME
       log10, log10f, log10l -  base-10 logarithmic function

SYNOPSIS
       #include <math.h>

       double log10(double x);

       float log10f(float x);

       long double log10l(long double x);

       Link with -lm.

DESCRIPTION
       The log10() function returns the base 10 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 vari-
       ants are C99 requirements.

SEE ALSO
       cbrt(3), sqrt(3)



                                  2002-07-27                            EXP(3)