s13acf

s13acf © Numerical Algorithms Group, 2002.

Purpose

S13ACF Cosine integral Ci(x)

Synopsis

[fun_value,ifail] = s13acf(x<,ifail>)

Description

 
 The routine calculates an approximate value for Ci(x).

Parameters

s13acf

Required Input Arguments:

x                                     real

Optional Input Arguments:                       <Default>

ifail                                 integer  -1

Output Arguments:

ifail                                 integer