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Start "output unit management" support

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This doesn't actually *do* anything yet, but it introduces the notion of
output units, and allows you to pick metric or imperial.

Of course, since the output doesn't currently care, the units you pick
are irrelevant.  But just wait..

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Linus Torvalds 2011-09-06 19:07:17 -07:00
parent a5a3cba574
commit 05857e0a05
3 changed files with 68 additions and 36 deletions
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16
dive.h
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@ -126,6 +126,22 @@ struct dive {
struct sample sample[];
};
/*
* We keep our internal data in well-specified units, but
* the input and output may come in some random format. This
* keeps track of those units.
*/
struct units {
enum { METERS, FEET } length;
enum { LITER, CUFT } volume;
enum { BAR, PSI, PASCAL } pressure;
enum { CELSIUS, FAHRENHEIT, KELVIN } temperature;
enum { KG, LBS } weight;
};
extern const struct units SI_units, IMPERIAL_units;
extern struct units input_units, output_units;
extern int verbose;
struct dive_table {