-
Notifications
You must be signed in to change notification settings - Fork 59
/
mm_io.html
275 lines (243 loc) · 7.25 KB
/
mm_io.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
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
<html>
<head>
<title>
MM_IO - Matrix Market - Read and Write Utilities
</title>
</head>
<body bgcolor="#EEEEEE" link="#CC0000" alink="#FF3300" vlink="#000055">
<h1 align = "center">
MM_IO <br> Matrix Market <br> Read and Write Utilities
</h1>
<hr>
<p>
<b>MM_IO</b>
is a FORTRAN90 library which
reads and writes files in the Matrix Market format.
</p>
<h3 align = "center">
Licensing:
</h3>
<p>
The computer code and data files described and made available on this web page
are distributed under
<a href = "../../txt/gnu_lgpl.txt">the GNU LGPL license.</a>
</p>
<h3 align = "center">
Languages:
</h3>
<p>
<b>MM_IO</b> is available in
<a href = "../../c_src/mm_io/mm_io.html">a C version</a> and
<a href = "../../f_src/mm_io/mm_io.html">a FORTRAN90 version</a> and
<a href = "../../m_src/mm_io/mm_io.html">a MATLAB version</a>.
</p>
<h3 align = "center">
Related Data and Programs:
</h3>
<p>
<a href = "../../f_src/dlap_io/dlap_io.html">
DLAP_IO</a>,
a FORTRAN90 library which
reads and writes files
describing sparse matrices used by DLAP.
</p>
<p>
<a href = "../../f_src/hb_io/hb_io.html">
HB_IO</a>,
a FORTRAN90 library which
reads and writes sparse matrices stored in the Harwell-Boeing format.
</p>
<p>
<a href = "../../f_src/hb_to_st/hb_to_st.html">
HB_TO_ST</a>,
a FORTRAN90 program which
converts the sparse matrix information stored in a Harwell-Boeing
file into a sparse triplet file.
</p>
<p>
<a href = "../../data/mm/mm.html">
MM</a>,
a data directory which
contains a description and
examples of the Matrix Market format for storing matrices.
</p>
<p>
<a href = "../../m_src/mm_to_msm/mm_to_msm.html">
MM_TO_MSM</a>,
a MATLAB program which
reads a Matrix Market file defining a sparse matrix, and creates
a corresponding MATLAB sparse matrix data structure.
</p>
<p>
<a href = "../../m_src/templates/templates.html">
TEMPLATES</a>,
a MATLAB library which
performs the iterative solution of large sparse linear systems.
It includes a routine <b>mm_to_msm</b> which
can read a Matrix Market file and store it as a MATLAB sparse
matrix.
</p>
<p>
<a href = "../../f_src/test_mat/test_mat.html">
TEST_MAT</a>,
a FORTRAN90 library which
defines various test matrices.
</p>
<h3 align = "center">
Reference:
</h3>
<p>
<ol>
<li>
Ronald Boisvert, Roldan Pozo, Karin Remington,<br>
The Matrix Market Exchange Formats: Initial Design,<br>
National Institute of Standards and Technology,<br>
NISTIR 5935, December 1996.
</li>
<li>
<a href = "http://math.nist.gov/MatrixMarket/">
http://math.nist.gov/MatrixMarket/</a>,
the Matrix Market web site.
</li>
</ol>
</p>
<h3 align = "center">
Source Code:
</h3>
<p>
<ul>
<li>
<a href = "mm_io.f90">mm_io.f90</a>, the source code.
</li>
<li>
<a href = "mm_io.sh">mm_io.sh</a>,
commands to compile the source code.
</li>
</ul>
</p>
<h3 align = "center">
Examples and Tests:
</h3>
<p>
<ul>
<li>
<a href = "mm_io_prb.f90">mm_io_prb.f90</a>,
a sample calling program.
</li>
<li>
<a href = "mm_io_prb.sh">mm_io_prb.sh</a>,
commands to compile and run the sample program.
</li>
<li>
<a href = "mm_io_prb_output.txt">mm_io_prb_output.txt</a>,
the output file.
</li>
<li>
<a href = "matrix_05_05_crg.txt">matrix_05_05_crg.txt</a>,
a 5 by 5 matrix in COORDINATE REAL GENERAL form read
by some routines, and written by others.
</li>
<li>
<a href = "wathen_29_29_adg.txt">wathen_29_28_adg.txt</a>,
a 29 by 29 matrix in ARRAY DOUBLE GENERAL form written by
one of the test routines.
</li>
</ul>
</p>
<h3 align = "center">
List of Routines:
</h3>
<p>
<ul>
<li>
<b>CH_CAP</b> capitalizes a single character.
</li>
<li>
<b>GET_UNIT</b> returns a free FORTRAN unit number.
</li>
<li>
<b>MM_COMMENT_PRINT</b> prints a comment from a Matrix Market file.
</li>
<li>
<b>MM_COMMENT_READ</b> reads a comment from a Matrix Market file.
</li>
<li>
<b>MM_COMMENT_WRITE</b> writes a comment to a Matrix Market file.
</li>
<li>
<b>MM_FILE_READ</b> reads data from a Matrix Market file.
</li>
<li>
<b>MM_FILE_WRITE</b> writes data to a Matrix Market file.
</li>
<li>
<b>MM_HEADER_CHECK</b> checks the header strings for a Matrix Market file.
</li>
<li>
<b>MM_HEADER_PRINT</b> prints header information from a Matrix Market file.
</li>
<li>
<b>MM_HEADER_READ</b> reads the header line from a Matrix Market file.
</li>
<li>
<b>MM_HEADER_WRITE</b> prints header information to a Matrix Market file.
</li>
<li>
<b>MM_NNZ_SET</b> sets the value of NNZ for the ARRAY representation.
</li>
<li>
<b>MM_SIZE_PRINT</b> prints size information from a Matrix Market file.
</li>
<li>
<b>MM_SIZE_READ_FILE</b> reads size information from a Matrix Market file.
</li>
<li>
<b>MM_SIZE_READ_STRING</b> reads size information from a string.
</li>
<li>
<b>MM_SIZE_WRITE</b> writes size information to a Matrix Market file.
</li>
<li>
<b>MM_VALUES_PRINT</b> prints the matrix values of a Matrix Market file.
</li>
<li>
<b>MM_VALUES_PRINT_SOME</b> prints some matrix values of a Matrix Market file.
</li>
<li>
<b>MM_VALUES_READ</b> reads matrix values from a Matrix Market file.
</li>
<li>
<b>MM_VALUES_WRITE</b> writes matrix values to a Matrix Market file.
</li>
<li>
<b>S_EQI</b> is a case insensitive comparison of two strings for equality.
</li>
<li>
<b>S_NEQI</b> compares two strings for non-equality, ignoring case.
</li>
<li>
<b>S_TO_I4</b> reads an I4 from a string.
</li>
<li>
<b>S_TO_I4VEC</b> reads an I4VEC from a string.
</li>
<li>
<b>S_W_NEXT</b> "reads" words from a string, one at a time.
</li>
<li>
<b>TIMESTAMP</b> prints the current YMDHMS date as a time stamp.
</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 27 November 2006.
</i>
<!-- John Burkardt -->
</body>
<!-- Initial HTML skeleton created by HTMLINDEX. -->
</html>