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Add helper function for doing depth unit calculations

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.. and use it for printing too.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Linus Torvalds 2011-09-21 12:12:54 -07:00
parent 184eecf7c0
commit 515a917152
4 changed files with 37 additions and 17 deletions
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25
dive.c
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@ -5,6 +5,31 @@
#include "dive.h"
double get_depth_units(unsigned int mm, int *frac, const char **units)
{
int decimals;
double d;
const char *unit;
switch (output_units.length) {
case METERS:
d = mm / 1000.0;
unit = "m";
decimals = d < 20;
break;
case FEET:
d = mm_to_feet(mm);
unit = "ft";
decimals = 0;
break;
}
if (frac)
*frac = decimals;
if (units)
*units = unit;
return d;
}
struct dive *alloc_dive(void)
{
const int initial_samples = 5;