forked from johannesgerer/jburkardt-f
-
Notifications
You must be signed in to change notification settings - Fork 1
/
toms291.html
180 lines (150 loc) · 4.14 KB
/
toms291.html
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
<html>
<head>
<title>
TOMS291 - Approximate Log(Gamma(X))
</title>
</head>
<body bgcolor="#EEEEEE" link="#CC0000" alink="#FF3300" vlink="#000055">
<h1 align = "center">
TOMS291 <br> Approximate Log(Gamma(X))
</h1>
<hr>
<p>
<b>TOMS291</b>
is a FORTRAN90 library which
approximates the logarithm of the Gamma function.
</p>
<p>
The text of many ACM TOMS algorithms is available online
through ACM:
<a href = "http://www.acm.org/pubs/calgo/">
http://www.acm.org/pubs/calgo</a>
or NETLIB:
<a href = "http://www.netlib.org/toms/index.html">
http://www.netlib.org/toms/index.html</a>.
</p>
<h3 align = "center">
Languages:
</h3>
<p>
<b>TOMS291</b> is available in
<a href = "../../c_src/toms291/toms291.html">a C version</a> and
<a href = "../../cpp_src/toms291/toms291.html">a C++ version</a> and
<a href = "../../f77_src/toms291/toms291.html">a FORTRAN77 version</a> and
<a href = "../../f_src/toms291/toms291.html">a FORTRAN90 version</a> and
<a href = "../../m_src/toms291/toms291.html">a MATLAB version</a>.
</p>
<h3 align = "center">
Related Data and Programs:
</h3>
<p>
<a href = "../../f_src/asa245/asa245.html">
ASA245</a>,
a FORTRAN90 library which
evaluates the logarithm of the Gamma function.
</p>
<p>
<a href = "../../cpp_src/gsl/gsl.html">
GSL</a>,
a C++ library which
evaluates many special functions, including the logarithm of the Gamma function.
</p>
<p>
<a href = "../../f_src/polpak/polpak.html">
POLPAK</a>,
a FORTRAN90 library which
evaluates a variety of special functions.
</p>
<p>
<a href = "../../f77_src/specfun/specfun.html">
SPECFUN</a>,
a FORTRAN77 library which
evaluates a variety of special functions.
</p>
<p>
<a href = "../../f_src/test_values/test_values.html">
TEST_VALUES</a>,
a FORTRAN90 library which
tabulates several values of a variety of special functions.
</p>
<p>
<a href = "../../f_src/toms708/toms708.html">
TOMS708</a>,
a FORTRAN90 library which
evaluates several special functions, including the logarithm of the Gamma function.
</p>
<h3 align = "center">
Reference:
</h3>
<p>
<ol>
<li>
Malcolm Pike, David Hill,<br>
Algorithm 291:
Logarithm of Gamma Function,<br>
Communications of the ACM,<br>
Volume 9, Number 9, September 1966, page 684.
</li>
</ol>
</p>
<h3 align = "center">
Source Code:
</h3>
<p>
<ul>
<li>
<a href = "toms291.f90">toms291.f90</a>, the source code.
</li>
<li>
<a href = "toms291.sh">toms291.sh</a>,
commands to compile the source code.
</li>
</ul>
</p>
<h3 align = "center">
Examples and Tests:
</h3>
<p>
<ul>
<li>
<a href = "toms291_prb.f90">toms291_prb.f90</a>,
a sample calling program.
</li>
<li>
<a href = "toms291_prb.sh">toms291_prb.sh</a>,
commands to compile and run the sample program.
</li>
<li>
<a href = "toms291_prb_output.txt">toms291_prb_output.txt</a>,
the output file.
</li>
</ul>
</p>
<h3 align = "center">
List of Routines:
</h3>
<p>
<ul>
<li>
<b>ALOGAM</b> computes the logarithm of the Gamma function.
</li>
<li>
<b>GAMMA_LOG_VALUES</b> returns some values of the Log Gamma function.
</li>
<li>
<b>TIMESTAMP</b> prints out the current YMDHMS date as a timestamp.
</li>
</ul>
</p>
<p>
You can go up one level to <a href = "../f_src.html">
the FORTRAN90 source codes</a>.
</p>
<hr>
<i>
Last revised on 11 January 2008.
</i>
<!-- John Burkardt -->
</body>
<!-- Initial HTML skeleton created by HTMLINDEX. -->
</html>