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authordan miller2007-10-19 05:15:33 +0000
committerdan miller2007-10-19 05:15:33 +0000
commit79eca25c945a535a7a0325999034bae17da92412 (patch)
tree40ff433d94859d629aac933d5ec73b382f62ba1a /libraries/ode-0.9/ode/src/fastdot.c
parentadding ode source to /libraries (diff)
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resubmitting ode
Diffstat (limited to 'libraries/ode-0.9/ode/src/fastdot.c')
-rw-r--r--libraries/ode-0.9/ode/src/fastdot.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/libraries/ode-0.9/ode/src/fastdot.c b/libraries/ode-0.9/ode/src/fastdot.c
new file mode 100644
index 0000000..148d2dd
--- /dev/null
+++ b/libraries/ode-0.9/ode/src/fastdot.c
@@ -0,0 +1,30 @@
1/* generated code, do not edit. */
2
3#include "ode/matrix.h"
4
5
6dReal 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}