forked from johannesgerer/jburkardt-cpp
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathblas0.html
297 lines (266 loc) · 7.71 KB
/
blas0.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
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
<html>
<head>
<title>
BLAS0 - Auxilliary Functions for Basic Linear Algebra Subprograms (BLAS)
</title>
</head>
<body bgcolor="#EEEEEE" link="#CC0000" alink="#FF3300" vlink="#000055">
<h1 align = "center">
BLAS0 <br> Auxilliary Functions for Basic Linear Algebra Subprograms (BLAS)
</h1>
<hr>
<p>
<b>BLAS0</b>
is a C++ library which
contains auxilliary functions for the Basic Linear Algebra Subprograms
(BLAS).
</p>
<h3 align = "center">
Licensing:
</h3>
<p>
The computer code and data files 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>BLAS0</b> is available in
<a href = "../../c_src/blas0/blas0.html">a C version</a> and
<a href = "../../cpp_src/blas0/blas0.html">a C++ version</a> and
<a href = "../../f77_src/blas0/blas0.html">a FORTRAN77 version</a> and
<a href = "../../f_src/blas0/blas0.html">a FORTRAN90 version</a> and
<a href = "../../m_src/blas0/blas0.html">a MATLAB version</a>
</p>
<h3 align = "center">
Related Data and Programs:
</h3>
<p>
<a href = "../../cpp_src/blas1_c/blas1_c.html">
BLAS1_C</a>,
a C++ library which
contains basic linear algebra subprograms (BLAS)
for vector-vector operations,
using single precision complex arithmetic,
by Charles Lawson, Richard Hanson, David Kincaid, Fred Krogh.
</p>
<p>
<a href = "../../cpp_src/blas1_d/blas1_d.html">
BLAS1_D</a>,
a C++ library which
contains basic linear algebra subprograms (BLAS)
for vector-vector operations,
using double precision real arithmetic,
by Charles Lawson, Richard Hanson, David Kincaid, Fred Krogh.
</p>
<p>
<a href = "../../cpp_src/blas1_s/blas1_s.html">
BLAS1_S</a>,
a C++ library which
contains basic linear algebra subprograms (BLAS)
for vector-vector operations,
using single precision real arithmetic,
by Charles Lawson, Richard Hanson, David Kincaid, Fred Krogh.
</p>
<p>
<a href = "../../cpp_src/blas1_z/blas1_z.html">
BLAS1_Z</a>,
a C++ library which
contains basic linear algebra subprograms (BLAS)
for vector-vector operations,
using double precision complex arithmetic,
by Charles Lawson, Richard Hanson, David Kincaid, Fred Krogh.
</p>
<p>
<a href = "../../cpp_src/blas2/blas2.html">
BLAS2</a>,
a C++ library which
contains basic linear algebra subprograms (BLAS)
for matrix-vector operations;
</p>
<p>
<a href = "../../cpp_src/blas3/blas3.html">
BLAS3</a>,
a C++ library which
contains basic linear algebra subprograms (BLAS)
for matrix-matrix operations;
</p>
<h3 align = "center">
Reference:
</h3>
<p>
<ol>
<li>
Charles Lawson, Richard Hanson, David Kincaid, Fred Krogh,<br>
Algorithm 539:
Basic Linear Algebra Subprograms for Fortran Usage,<br>
ACM Transactions on Mathematical Software,<br>
Volume 5, Number 3, September 1979, pages 308-323.
</li>
</ol>
</p>
<h3 align = "center">
Source Code:
</h3>
<p>
<ul>
<li>
<a href = "blas0.cpp">blas0.cpp</a>, the source code.
</li>
<li>
<a href = "blas0.hpp">blas0.hpp</a>, the include file.
</li>
<li>
<a href = "blas0.sh">blas0.sh</a>,
BASH commands to compile the source code.
</li>
</ul>
</p>
<h3 align = "center">
Examples and Tests:
</h3>
<p>
<ul>
<li>
<a href = "blas0_prb.cpp">blas0_prb.cpp</a>
a sample calling program.
</li>
<li>
<a href = "blas0_prb.sh">blas0_prb.sh</a>,
BASH commands to compile and run the sample program.
</li>
<li>
<a href = "blas0_prb_output.txt">blas0_prb_output.txt</a>,
the output file.
</li>
</ul>
</p>
<h3 align = "center">
List of Routines:
</h3>
<p>
<ul>
<li>
<b>C4_UNIFORM_01</b> returns a unit complex pseudorandom number.
</li>
<li>
<b>C8_UNIFORM_01</b> returns a unit double complex pseudorandom number.
</li>
<li>
<b>CABS1</b> returns the L1 norm of a number.
</li>
<li>
<b>CABS2</b> returns the L2 norm of a number.
</li>
<li>
<b>CMACH</b> computes machine parameters for complex arithmetic.
</li>
<li>
<b>CSIGN1</b> is a transfer-of-sign function.
</li>
<li>
<b>CSIGN2</b> is a transfer-of-sign function.
</li>
<li>
<b>DMACH</b> computes machine parameters of double precision real arithmetic.
</li>
<li>
<b>I4_MAX</b> returns the maximum of two I4's.
</li>
<li>
<b>I4_MIN</b> returns the minimum of two I4's.
</li>
<li>
<b>LSAME</b> returns TRUE if CA is the same letter as CB regardless of case.
</li>
<li>
<b>R4_ABS</b> returns the absolute value of an R4.
</li>
<li>
<b>R4_MAX</b> returns the maximum of two R4's.
</li>
<li>
<b>R4_SIGN</b> returns the sign of an R4.
</li>
<li>
<b>R4_UNIFORM_01</b> returns a unit pseudorandom R4.
</li>
<li>
<b>R4_UNIFORM_AB</b> returns a scaled pseudorandom R4.
</li>
<li>
<b>R4MAT_PRINT</b> prints an R4MAT.
</li>
<li>
<b>R4MAT_PRINT_SOME</b> prints some of an R4MAT.
</li>
<li>
<b>R4MAT_TEST</b> sets up a test matrix.
</li>
<li>
<b>R8_ABS</b> returns the absolute value of an R8.
</li>
<li>
<b>R8_MAX</b> returns the maximum of two R8's.
</li>
<li>
<b>R8_SIGN</b> returns the sign of an R8.
</li>
<li>
<b>R8_UNIFORM_01</b> returns a unit pseudorandom R8.
</li>
<li>
<b>R8_UNIFORM_AB</b> returns a scaled pseudorandom R8.
</li>
<li>
<b>R8MAT_PRINT</b> prints an R8MAT.
</li>
<li>
<b>R8MAT_PRINT_SOME</b> prints some of an R8MAT.
</li>
<li>
<b>R8MAT_TEST</b> sets up a test matrix.
</li>
<li>
<b>R8VEC_PRINT</b> prints an R8VEC.
</li>
<li>
<b>SMACH</b> computes machine parameters of float arithmetic.
</li>
<li>
<b>TIMESTAMP</b> prints the current YMDHMS date as a time stamp.
</li>
<li>
<b>XERBLA</b> is an error handler for the LAPACK routines.
</li>
<li>
<b>ZABS1</b> returns the L1 norm of a complex <double>.
</li>
<li>
<b>ZABS2</b> returns the L2 norm of a complex <double>.
</li>
<li>
<b>ZMACH</b> computes machine parameters for complex <double> arithmetic.
</li>
<li>
<b>ZSIGN1</b> is a complex <double> transfer-of-sign function.
</li>
<li>
<b>ZSIGN2</b> is a complex <double> transfer-of-sign function.
</li>
</ul>
</p>
<p>
You can go up one level to <a href = "../cpp_src.html">
the C++ source codes</a>.
</p>
<hr>
<i>
Last revised on 03 April 2014.
</i>
<!-- John Burkardt -->
</body>
<!-- Initial HTML skeleton created by HTMLINDEX. -->
</html>