expm1l man page on YellowDog

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EXPM1(3)		   Linux Programmer's Manual		      EXPM1(3)

NAME
       expm1, expm1f, expm1l  - exponential minus 1

SYNOPSIS
       #include <math.h>

       double expm1(double x);
       float expm1f(float x);
       long double expm1l(long double x);

       Link with -lm.

DESCRIPTION
       expm1(x) returns a value equivalent to `exp (x) - 1'. It is computed in
       a way that is accurate even if the value of x is near zero—a case where
       `exp  (x)  -  1'	 would be inaccurate due to subtraction of two numbers
       that are nearly equal.

CONFORMING TO
       BSD, C99.  The float and long double variants are C99 requirements.

SEE ALSO
       exp(3), log(3), log1p(3)

				  2002-07-27			      EXPM1(3)
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