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
|
<HTML>
<HEAD>
<TITLE>TSP (libtsp/VR) - VRfDotProd</TITLE>
</HEAD>
<BODY BGCOLOR="#FFFACD">
<H2>VRfDotProd</H2>
<HR>
<H4>Routine</H4>
<DL>
<DT>
double VRfDotProd (const float x1[], const float x2[], int N)
</DL>
<H4>Purpose</H4>
<DL>
<DT>
Dot product of two float arrays (double result)
</DL>
<H4>Description</H4>
This routine calculates the dot product of two float arrays x1 and x2. The
dot product is calculated internally as a double and returned as a double
value.
<PRE>
N-1
VRfDotProd = SUM x1[i] * x2[i] .
i=0
</PRE>
<H4>Parameters</H4>
<DL>
<DT>
<- double VRfDotProd
<DD>
Dot product
<DT>
-> const float x1[]
<DD>
Input array (N elements)
<DT>
-> const float x2[]
<DD>
Input array (N elements)
<DT>
-> int N
<DD>
Number of elements in the arrays (may be zero)
</DL>
<H4>Author / revision</H4>
P. Kabal Copyright (C) 1995
/ Revision 1.3 1995/02/09
<H4>See Also</H4>
<A HREF="VRfDiffSq.html">VRfDiffSq</A>
<P>
<HR>
Main Index <A HREF="../libtsp.html">libtsp</A>
</BODY>
</HTML>
|
