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Surface position: mm->velocity is int so avoid useless ops.

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antirez 2013-12-14 23:10:37 +01:00
parent c5bd5a1d6e
commit 83ffd96251
1 changed files with 2 additions and 3 deletions
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dump1090.c
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@ -1069,12 +1069,11 @@ void decodeModesMessage(struct modesMessage *mm, unsigned char *msg) {
if (mvt == 0) { /* unknown */ if (mvt == 0) { /* unknown */
mm->velocity = 0; mm->velocity = 0;
} else if (mvt == 1) { /* less than 0.125 kt */ } else if (mvt == 1) { /* less than 0.125 kt */
mm->velocity = 0.124; mm->velocity = 0;
} else if (mvt == 124) { } else if (mvt == 124) {
mm->velocity = 175; mm->velocity = 175;
} else if (mvt >= 2 && mvt <= 8) { } else if (mvt >= 2 && mvt <= 8) {
mm->velocity = 0.125; mm->velocity = 0.125+((mvt-2) * 0.125);
mm->velocity += (mvt-2) * 0.125;
} else if (mvt >= 9 && mvt <= 12) { } else if (mvt >= 9 && mvt <= 12) {
mm->velocity = 1; mm->velocity = 1;
mm->velocity += (mvt-9) * 0.25; mm->velocity += (mvt-9) * 0.25;