diff options
Diffstat (limited to 'dive.c')
| -rw-r--r-- | dive.c | 14 |
1 files changed, 12 insertions, 2 deletions
@@ -224,6 +224,16 @@ static void fixup_pressure(struct dive *dive, struct sample *sample) cyl->sample_end.mbar = pressure; } +/* + * If the cylinder tank pressures are within half a bar + * (about 8 PSI) of the sample pressures, we consider it + * to be a rounding error, and throw them away as redundant. + */ +static int same_rounded_pressure(pressure_t a, pressure_t b) +{ + return abs(a.mbar - b.mbar) <= 500; +} + struct dive *fixup_dive(struct dive *dive) { int i; @@ -287,9 +297,9 @@ struct dive *fixup_dive(struct dive *dive) for (i = 0; i < MAX_CYLINDERS; i++) { cylinder_t *cyl = dive->cylinder + i; add_cylinder_description(&cyl->type); - if (cyl->sample_start.mbar == cyl->start.mbar) + if (same_rounded_pressure(cyl->sample_start, cyl->start)) cyl->start.mbar = 0; - if (cyl->sample_end.mbar == cyl->end.mbar) + if (same_rounded_pressure(cyl->sample_end, cyl->end)) cyl->end.mbar = 0; } |