ode/src/fastdot.c
author William Roberts <williamr@symbian.org>
Wed, 10 Nov 2010 12:08:34 +0000
branchRCL_3
changeset 76 5c9f0ba5102a
parent 0 2f259fa3e83a
permissions -rw-r--r--
Improve debug tracing of AknGlobalNote::StartL - Bug 2673
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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/* generated code, do not edit. */
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#include <ode/matrix.h>
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EXPORT_C dReal dDot (const dReal *a, const dReal *b, int n)
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{  
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  dReal p0,q0,m0,p1,q1,m1,sum;
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  sum = 0;
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  n -= 2;
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  while (n >= 0) {
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    p0 = a[0]; q0 = b[0];
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    m0 = dMUL(p0,q0);
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    p1 = a[1]; q1 = b[1];
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    m1 = dMUL(p1,q1);
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    sum += m0;
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    sum += m1;
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    a += 2;
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    b += 2;
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    n -= 2;
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  }
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  n += 2;
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  while (n > 0) {
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    sum += dMUL((*a),(*b));
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    a++;
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    b++;
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    n--;
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  }
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  return sum;
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}