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Those are needed to indicate bailout or set point switches
at the beginning of the ascend.
Signed-off-by: Robert C. Helling <helling@atdotde.de>
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... by taking into acount that dive planner points refer
to the sement before the waypoint (while change mode
events are concerned with the future of a waypoint).
Signed-off-by: Robert C. Helling <helling@atdotde.de>
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In a number of places the global 'tank_info' array
is being iterated based on a 'tank_info[idx].name != NULL'
condition.
This is dangerous because if the user has added a lot of tanks,
such loops can reach 'tank_info[MAX_TANK_INFO]'. This is an
out of bounds read and if the 'name' pointer there happens to be
non-NULL, passing that address to a peace of code that tries
to read it (like strlen()) would either SIGSEGV or have undefined
behavior.
Clamp all loops that iterate 'tank_info' to MAX_TANK_INFO.
Signed-off-by: Lubomir I. Ivanov <neolit123@gmail.com>
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And use it in the UI and planner code.
See #1411
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Signed-off-by: Robert C. Helling <helling@atdotde.de>
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Unused parameters in C are "silenced" by adding UNUSED(x)
Signed-off-by: Jan Iversen <jani@apache.org>
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...as the usuage is not anymore about a computer but
a momentary dive mode. Rename the end indicator as well.
Signed-off-by: Robert C. Helling <helling@atdotde.de>
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Signed-off-by: Robert C. Helling <helling@atdotde.de>
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Start the decompression schedule in the divemode
of the last manual section.
Signed-off-by: Robert C. Helling <helling@atdotde.de>
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Signed-off-by: Robert C. Helling <helling@atdotde.de>
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The bailout events in the planner are not saved correctly.
My oversight. This commits corrects the bug
Signed-off-by: Willem Ferguson <willemferguson@zoology.up.ac.za>
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Ensure that calls to add_segment() all have a appropriate divemode
for that part of the dive plan. In the case of plan(), the existing
variable 'divemode' was directly passed to add_segment. For the
functions interpolate_transition() and trial_ascent(), the divemode
was obtained by including it in the parameter list of the function
and divemode supplied by the calling function.
Signed-off-by: Willem Ferguson <willemferguson@zoology.up.ac.za>
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Add a divemode column to the planner model and a
corresponding field to struct divepoint and fill it
in the corresponding functions.
Signed-off-by: Robert C. Helling <helling@atdotde.de>
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This is the second step for implementing bailout. The indirect
calls to fill_pressures through add_segment() (in deco.c) are
addressed. Bailout is now fully implemented in the dive log but
not in the dive planner.
1) The parameters to add_segment() are changed to take a
divemode as the second last parameter, and not a *dive.
2) Call to add_segment() in profile.c and in divelist.c are
adapted. In divelist.c some calls to add_segment were left
using dc-> divemode instead of possible bailout. This appears
tp be the most appropriate route.
3) The functions get_divemode_from_time() and get_next_divemodechange()
in dive.c have had some small changes.
4) The calls to get_segment(0 in planner.c were changed to reflect
the new parameter list, but not updated to reflect bailout. This
is the next step.
Signed-off-by: Willem Ferguson <willemferguson@zoology.up.ac.za>
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First small step to shrinking dive.h.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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When generating fake profiles for manually entered dives, fake_dc() and
plan() used different final ascent rates of 5 m/min and 4.5 m/min,
respectively. This led to dives that were 6 seconds longer than entered
by the user and to confusion. See #554.
Therefore, use the same ascent rate taken from the preferences field
flag.ascratelast6m in both cases.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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Since all qt-helpers are defined in qthelper.cpp, there seems to be
no reason to have two include files. By unifying the two files,
duplication and inconsistencies are removed. The C++-only part is
simply compiled away with #ifdefs.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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Otherwise, with large gradient factors, one can have infinite NDL
which result in an infinite loop when no gas is set.
Signed-off-by: Robert C. Helling <helling@atdotde.de>
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This patch allows the planner to save the last manually-entered
dive planner point of a dive plan. When the plan has been saved
and re-opened for edit, the time of the last-entered dive planner
point is used to ensure that dive planning continues from the same
point in the profile as was when the original dive plan was saved.
Mechanism:
1) In dive.h, create a new dc attribute dc->last_manual_time
with data type of duration_t.
2) In diveplanner.c, ensure that the last manually-entered
dive planner point is saved in dc->last_manual_time.
3) In save-xml.c, create a new XML attribute for the <divecomputer>
element, named last-manual-time. For dive plans, the element would
now look like:
<divecomputer model='planned dive' last-manual-time='31:17 min'>
4) In parse-xml.c, insert code that recognises the last-manual-time
XML attribute, reads the time value and assigns this time to
dc->last_manual_time.
5) In diveplannermodel.cpp, method DiveplannerPointModel::loadfromdive,
insert code that sets the appropriate boolean value to dp->entered
by comparing newtime (i.e. time of dp) with dc->last_manual_time.
6) Diveplannermodel.cpp also accepts profile data from normal dives in
the dive log, whether hand-entered or loaded from dive computer. It
looks like the reduction of dive points for dives with >100 points
continues to work ok.
The result is that when a dive plan is saved with manually entered
points up to e.g. 10 minutes into the dive, it can be re-opened for edit
in the dive planner and the planner re-creates the plan with manually
entered points up to 10 minutes. The rest of the points are "soft"
points, shaped by the deco calculations of the planner.
Improvements: Improve code for profile display in dive planner
This responds to #1052.
Change load-git.c and save-git.c so that the last-manual-time is
also saved in the git-format dive log.
Several stylistic changes in text for consistent C source code.
Improvement of dive planner profile display:
Do some simplification of my alterations to diveplannermodel.cpp
Two small style changes in planner.c and diveplannermodel.cpp
as requested ny @neolit123
Signed-off-by: Willem Ferguson <willemferguson@zoology.up.ac.za>
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Somehow a whitespace fix snuck in here. Oops.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Internal floating point (FP) calculations should be performed using double
unless there is a very good reason. This avoids headaches with conversions.
Indeed, the vast majority of FP calculations were already done using double.
This patch adapts most remaining calculations. Not converted where things
that were based on binary representations and variables which weren't used
anyway.
An analysis of all instances follows:
core/plannernotes.c, l.404:
This was a comparison between two floats. On the left side, first an integer
was cast to float then multiplied with and integer and divided by a constant
double. The right hand side was an integer cast to a float. Simply divide by
1000.0 first to convert to double and continue with calculations. On the right
hand side, remove the cast, because the integer will be implicitely cast to
double for comparison. This conversion actually emits less instructions,
because no conversion to double and back is performed.
core/planner.c, l.613:
Same analysis as previous case.
subsurface-desktop-main.cpp, l.155:
A local variable representing the version OpenGL version. Turn this into
integer logic. Not only does this avoid dreaded FP rounding issues, it also
works correctly for minor version > 10 (not that such a thing is to be
expected anytime soon).
abstractpreferenceswidget.[h/cpp]:
A widget where the position is described as a float. Turn into double.
desktop-widgets/divelogexportdialog.cpp, l.313:
total_weight is described as float. Use double arithmetics instead. This
instance fixes a truncation warning emitted by gcc.
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This reenables the computation of plan variations but now in a separate
thread. Once finieshed, a signal is sent to update the notes.
Signed-off-by: Robert C. Helling <helling@atdotde.de>
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before we run out of memory. Diving deep with air and small GFhigh
can cause those (try GF 30/70 at 75m with 25+min bottom time)
Signed-off-by: Robert C. Helling <helling@atdotde.de>
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Reported-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
Signed-off-by: Stefan Fuchs <sfuchs@gmx.de>
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For UI responsiveness, we need to be able to run the planner in the background. This needs the
planner state to be localized (and we need to pass a pointer around).
In order to not let too many lines overrun (and to save typing in the future)
I have renamed instances of struct deco_state to ds. Yes this should have gone
to a separate commit but I accidentally commit --amend'ed it.
Computing of planner variations is temporarily disabled.
Unlock the planner when returning early
So we don't deadlock in add dive and recreational mode (which
use the planner without actually planning).
Signed-off-by: Robert C. Helling <helling@atdotde.de>
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but there are still side effects and thus it crashes.
Signed-off-by: Robert C. Helling <helling@atdotde.de>
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Avoid adding the minimum gas switch time more than once even
if we skip some available deco gas.
Signed-off-by: Stefan Fuchs <sfuchs@gmx.de>
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Commit d15779a calculates final stop based on stoplevels[2], but if final stop
is 6m/20ft, we should use stoplevels[3]. This fixes it.
Signed-off-by: Rick Walsh <rickmwalsh@gmail.com>
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This makes the calculations in profile.c a little simpler, especially now we
adopt consistent final ascent rate to determine deco_time since d15779a27
Signed-off-by: Rick Walsh <rickmwalsh@gmail.com>
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If we consider the actual time to ascend from the final stop when calculating
deco_time, then slowing the final ascent can lead to the final stop being
extended, which is completely nonsensical. For consistency with the original
VPMB implementation, we can't ignore the final ascent time completely, but if
we assume it is always the same (take default ascent rate of 9m/min) then
slower the final ascent won't lead to a longer final stop.
Signed-off-by: Rick Walsh <rickmwalsh@gmail.com>
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Removing ext variable from profile.c should facilitate future performance
gains
Signed-off-by: Rick Walsh <rickmwalsh@gmail.com>
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Disable the possibility to plan o2 breaks of option
"last stop at 6m/20ft" is not set.
Signed-off-by: Stefan Fuchs <sfuchs@gmx.de>
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Remove unused variables o2time and breaktime or convert into boolean.
Never consider minimum gas switch time when switching to o2.
Reflect this behavior also in the UI.
Signed-off-by: Stefan Fuchs <sfuchs@gmx.de>
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Signed-off-by: Robert C. Helling <helling@atdotde.de>
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Signed-off-by: Robert C. Helling <helling@atdotde.de>
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These got mangled with previous changes to stop length determination.
Fixes #662
Signed-off-by: Robert C. Helling <helling@atdotde.de>
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Signed-off-by: Rick Walsh <rickmwalsh@gmail.com>
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This corrects the issue where the displayed ceiling in the profile was
"broken" by the planner, especially for shorter and shallower dives.
Also fixes issue outside of planner where the deepest VPM-B ceiling was shown
too early, messing up the deco_time calculation.
VPM-B plans respond to change in O2% in gas as expected (in my testing)
Fixes: #630
Signed-off-by: Rick Walsh <rickmwalsh@gmail.com>
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When changing the date/time of a dive in the planner the dive may end
up in a totaly new position in respect to date/time of other dives in
dive list table. It can be moved to the past or the future before or after
other existing dives. It also could overlap with an existing dive.
This change enables identification of a new "virtual" dive list position
and based on this starts looking for previous dives.
Then it (as before the change) does init the deco calculation with any
applicable previous dive and surface interval.
If some of these applicable dives overlap it returns a neg. surface time
which is then used in the planner notes to prohibit display of results.
Signed-off-by: Stefan Fuchs <sfuchs@gmx.de>
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Tidy up the code which creates the first sample for time = 0 to make
clear that the info for this does NOT come from the first planner point (dp).
No functional change.
Signed-off-by: Stefan Fuchs <sfuchs@gmx.de>
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This fixes some debug code to dump the diveplan which is usually
not compiled and used.
Signed-off-by: Stefan Fuchs <sfuchs@gmx.de>
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In the planner when a dive is created from the diveplan every first
sample with a new gas shouldn't have a pressure value added.
Otherwise the interpolation code for the pressure graph in the profile
will draw the pressure graph incorrectly.
Signed-off-by: Stefan Fuchs <sfuchs@gmx.de>
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Up to now the cylinder for gas breaks was hardcoded to first cylinder.
With this change the best_first_ascend_cylinder is used if its
O2 is <=32%.
Signed-off-by: Stefan Fuchs <sfuchs@gmx.de>
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When calculating the dive plan in the planner don't accidently use
another gas with same gasmix instead of the gas stored as
"best_first_ascend_gas".
This is important if you have e.g. a bottom stage and back gas with
same gas mix because then you always want to start your ascent with
the gas you used in last entered dive planner point.
Signed-off-by: Stefan Fuchs <sfuchs@gmx.de>
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... and reset deco information in profile ceiling computation.
The planner test then needs to know about the struct holding the deco
state.
Signed-off-by: Robert C. Helling <helling@atdotde.de>
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This option should have never been there. This is not how
gradient factors are supposed to work. It would only trick
users to use the wrong value..
Signed-off-by: Robert C. Helling <helling@atdotde.de>
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Print out partial derivatives of stop times with respect to
variation of depth and duratin of last manual segment.
Signed-off-by: Robert C. Helling <helling@atdotde.de>
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... in addition to struct diveplan which combines all kinds
of information
Signed-off-by: Robert C. Helling <helling@atdotde.de>
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not just the last one.
Signed-off-by: Robert C. Helling <helling@atdotde.de>
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Signed-off-by: Robert C. Helling <helling@atdotde.de>
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Robert C. Helling
Lubomir I. Ivanov
Dirk Hohndel
jan Iversen
Willem Ferguson
Berthold Stoeger
Stefan Fuchs
Rick Walsh