source:
code/branches/ode/ode-0.9/ode/src/fastdot.c
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216
Last change on this file since 216 was 216, checked in by mathiask, 16 years ago | |
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File size: 445 bytes |
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1 | /* generated code, do not edit. */ |
2 | |
3 | #include "ode/matrix.h" |
4 | |
5 | |
6 | dReal dDot (const dReal *a, const dReal *b, int n) |
7 | { |
8 | dReal p0,q0,m0,p1,q1,m1,sum; |
9 | sum = 0; |
10 | n -= 2; |
11 | while (n >= 0) { |
12 | p0 = a[0]; q0 = b[0]; |
13 | m0 = p0 * q0; |
14 | p1 = a[1]; q1 = b[1]; |
15 | m1 = p1 * q1; |
16 | sum += m0; |
17 | sum += m1; |
18 | a += 2; |
19 | b += 2; |
20 | n -= 2; |
21 | } |
22 | n += 2; |
23 | while (n > 0) { |
24 | sum += (*a) * (*b); |
25 | a++; |
26 | b++; |
27 | n--; |
28 | } |
29 | return sum; |
30 | } |
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