forked from ulysses4ever/cs211-extra-task-1
/
extra-task-1.cpp
124 lines (113 loc) · 2.72 KB
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extra-task-1.cpp
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double seconds_difference(double time_1, double time_2)
{
return time_2 - time_1;
}
int main()
{
assert(seconds_difference(1800.0, 3600.0) == 1800.0);
assert(seconds_difference(3600.0, 1800.0) == -1800.0);
assert(seconds_difference(1800.0, 2160.0) == 360.0);
assert(seconds_difference(1800.0, 1800.0) == 0.0);
}
double hours_difference(double time_1, double time_2)
{
return (time_2 - time_1) / 3600.0;
}
int main()
{
assert(hours_difference(1800.0, 3600.0) == 0.5);
assert(hours_difference(3600.0, 1800.0) == -0.5);
assert(hours_difference(1800.0, 2160.0) == 0.1);
assert(hours_difference(1800.0, 1800.0) == 0.0);
}
double to_float_hours(int hours, int minutes, int seconds)
{
assert (minutes >= 0 && minutes <= 60 && seconds >= 0 && seconds <= 60);
return (hours * 3600 + minutes * 60 + seconds) / 3600.0;
}
int main()
{
assert(to_float_hours(0, 15, 0) == 0.25);
assert(to_float_hours(2, 45, 9) == 2.7525);
assert(to_float_hours(1, 0, 36) == 1.01);
}
double to_24_hour_clock(double hours)
{
assert(hours >= 0);
double int_part = 0;
double frac = modf(hours, &int_part);
return ((int)int_part % 24) + frac;
}
int main()
{
assert(to_24_hour_clock(24) == 0);
assert(to_24_hour_clock(48) == 0);
assert(to_24_hour_clock(25) == 1);
assert(to_24_hour_clock(4) == 4);
assert(to_24_hour_clock(28.5) == 4.5);
}
int get_hours(int seconds)
{
return (seconds / 60) / 60;
}
int main()
{
assert(get_hours(3800) == 1);
}
int get_minutes(int seconds)
{
return (seconds / 60) % 60;
}
int main()
{
assert(get_minutes(3800) == 3);
}
int get_seconds(int seconds)
{
int temp = (seconds % 60);
return temp % 60;
}
int main()
{
assert(get_seconds(3800) == 20);
}
double time_to_utc(int utc_offset, double time)
{
assert(time >= 0 && time <= 24);
assert(utc_offset >= -12 && utc_offset <= 12);
return ((int)time - utc_offset) % 24;
}
int main()
{
assert(time_to_utc(+0, 12.0) == 12.0);
assert(time_to_utc(+1, 12.0) == 11.0);
assert(time_to_utc(-1, 12.0) == 13.0);
assert(time_to_utc(-11, 18.0) == 5.0);
assert(time_to_utc(-1, 0.0) == 1.0);
assert(time_to_utc(-1, 23.0) == 0.0);
}
double time_from_utc(int utc_offset, double time)
{
assert(time >= 0 && time <= 24);
assert(utc_offset >= -12 && utc_offset <= 12);
if (fabs(utc_offset) > fabs(time))
{
double dif = fabs(utc_offset) - fabs(time);
return 24 - dif;
}
else
{
return ((int)time + utc_offset) % 24;
}
}
int main()
{
assert(time_from_utc(+0, 12.0) == 12.0);
assert(time_from_utc(+1, 12.0) == 13.0);
assert(time_from_utc(-1, 12.0) == 11.0);
assert(time_from_utc(+6, 6.0) == 12.0);
assert(time_from_utc(-7, 6.0) == 23.0);
assert(time_from_utc(-1, 0.0) == 23.0);
assert(time_from_utc(-1, 23.0) == 22.0);
assert(time_from_utc(+1, 23.0) == 0.0);
}