diff options
Diffstat (limited to 'dive.c')
| -rw-r--r-- | dive.c | 66 |
1 files changed, 66 insertions, 0 deletions
@@ -29,6 +29,72 @@ void add_event(struct dive *dive, int time, int type, int flags, int value, cons remember_event(name); } +int get_pressure_units(unsigned int mb, const char **units) +{ + int pressure; + const char* unit; + + switch (output_units.pressure) { + case PASCAL: + pressure = mb * 100; + unit = "pascal"; + break; + case BAR: + pressure = (mb + 500) / 1000; + unit = "bar"; + break; + case PSI: + pressure = mbar_to_PSI(mb); + unit = "psi"; + break; + } + if (units) + *units = unit; + return pressure; +} + +double get_temp_units(unsigned int mk, const char **units) +{ + double deg; + const char *unit; + + if (output_units.temperature == FAHRENHEIT) { + deg = mkelvin_to_F(mk); + unit = UTF8_DEGREE "F"; + } else { + deg = mkelvin_to_C(mk); + unit = UTF8_DEGREE "C"; + } + if (units) + *units = unit; + return deg; +} + +double get_volume_units(unsigned int ml, int *frac, const char **units) +{ + int decimals; + double vol; + const char *unit; + + switch (output_units.volume) { + case LITER: + vol = ml / 1000.0; + unit = "l"; + decimals = 1; + break; + case CUFT: + vol = ml_to_cuft(ml); + unit = "cuft"; + decimals = 2; + break; + } + if (frac) + *frac = decimals; + if (units) + *units = unit; + return vol; +} + double get_depth_units(unsigned int mm, int *frac, const char **units) { int decimals; |