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tornado/fw/sim/alg.c: separate data processing from sample generation
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4d09658036
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@ -44,28 +44,37 @@ static uint16_t sample(double t)
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#define E_SHIFT 3 /* ~ 0.1 */
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#define M_SHIFT 10 /* ~ 1/S */
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int main(void)
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static void process(unsigned v)
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{
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uint16_t e = MID << E_SHIFT;
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uint32_t m = MID << M_SHIFT;
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int d;
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int i;
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bool up = 0;
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e = v+(e-(e >> E_SHIFT));
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m = v+(m-(m >> M_SHIFT));
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d = (e >> E_SHIFT)-(m >> M_SHIFT);
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if (up) {
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if (d < -H)
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up = 0;
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} else {
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if (d > H)
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up = 1;
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}
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printf("%d %d %d %d %d\n",
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v, e >> E_SHIFT, m >> M_SHIFT, d, up);
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}
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int main(void)
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{
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int i;
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for (i = 0; i != 10*S; i++) {
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unsigned v = sample((double) i/S);
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e = v+(e-(e >> E_SHIFT));
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m = v+(m-(m >> M_SHIFT));
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d = (e >> E_SHIFT)-(m >> M_SHIFT);
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if (up) {
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if (d < -H)
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up = 0;
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} else {
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if (d > H)
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up = 1;
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}
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printf("%d %d %d %d %d\n",
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v, e >> E_SHIFT, m >> M_SHIFT, d, up);
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process(v);
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}
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return 0;
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}
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