- NAME
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log10 - The log10() function returns the "base 10" logarithm of x.
- SYNOPSIS
#include <math.h>
double log10(double x);- DESCRIPTION
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The log10() function returns the natural logarithm of x.
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Warning
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You’ll also need to link the program against the math library (see example below) using the -lm compile/link option.
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- RETURN VALUE
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Returns the logarithm "base 10" of parameter x.
- ERRORS
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EDOM - The argument x is negative.
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ERANGE - The argument x is zero. The log of zero is not defined.
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- SEE ALSO
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log, exp, pow, sqrt
- EXAMPLE
link:src/log10.c[role=include]- OUTPUT
$ gcc -Wall -lm log10.c $ ./a.out log10(1000.000000) = 3.000000