#include <math.h>float expm1f(float arg);double expm1(double arg); long double expm1l(long double arg);

expm1( ), expm1f( ), and expm1l( ) were added by C99.

The expm1 family of functions returns the natural logarithm e raised to the arg power, minus 1. That is, it returns earg – 1.

Related functions are exp( ) and log( ).

C(s)C++ Programmer's Reference
C Programming on the IBM PC (C Programmers Reference Guide Series)
ISBN: 0673462897
EAN: 2147483647
Year: 2002
Pages: 539

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