static void
FormatLongitude(char *buffer, size_t buffer_size, Angle longitude)
{
// Calculate Longitude sign
char sign = longitude.IsNegative() ? 'W' : 'E';
double mlong(longitude.AbsoluteDegrees());
int dd = (int)mlong;
// Calculate minutes
double mins = (mlong - dd) * 60.0;
// Save the string to the buffer
snprintf(buffer, buffer_size, "%02d%06.3f,%c", dd, mins, sign);
}
void
DigitEntry::SetLongitude(Angle value, CoordinateFormat format)
{
// Longitude in floating point degrees
value = value.AsDelta();
const auto degrees = fabs(value.Degrees());
// Check the first three columns here
assert(columns[0].type == Column::Type::EAST_WEST);
assert(columns[1].type == Column::Type::DIGIT19);
assert(columns[2].type == Column::Type::DIGIT);
columns[0].value = value.IsNegative();
// Set up and check the remaining digits
SetDigits(degrees, format, false);
Invalidate();
}
bool TurningLeft() const {
return turn_rate_smoothed.IsNegative();
}