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Fix profile and average depth for freedives
Freedives can easily exceed the assumed ascent/descent rate, which results in wacky dive profiles. Add a check to make the ascent and descent fit within the duration of the dive.
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2 changed files with 7 additions and 4 deletions
9
dive.c
9
dive.c
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@ -478,11 +478,12 @@ struct dive *fixup_dive(struct dive *dive)
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int asc_desc_time = depth*60/9000;
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int duration = dive->duration.seconds;
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/* Protect against insane dives - make mean be half of max */
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if (duration <= asc_desc_time) {
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/* Some sanity checks against insane dives */
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if (duration < 2)
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duration = 2;
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asc_desc_time = 1;
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}
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if (asc_desc_time * 2 >= duration)
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asc_desc_time = duration/2;
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dive->meandepth.mm = depth*(duration-asc_desc_time)/duration;
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return dive;
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}
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