instance method
Time#floor
(?::int ndigits) -> ::Time
floor(ndigits = 0) → new_time
time.c
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static VALUE
time_floor(int argc, VALUE *argv, VALUE time)
{
VALUE ndigits, v, den;
struct time_object *tobj;
if (!rb_check_arity(argc, 0, 1) || NIL_P(ndigits = argv[0]))
den = INT2FIX(1);
else
den = ndigits_denominator(ndigits);
GetTimeval(time, tobj);
v = w2v(rb_time_unmagnify(tobj->timew));
v = modv(v, den);
return time_add(tobj, time, v, -1);
}
Returns a new Time object whose numerical value is less than or equal to self with its seconds truncated to precision ndigits:
Example
t = Time.utc(2010, 3, 30, 5, 43, 25.123456789r) t # => 2010-03-30 05:43:25.123456789 UTC t.floor # => 2010-03-30 05:43:25 UTC t.floor(2) # => 2010-03-30 05:43:25.12 UTC t.floor(4) # => 2010-03-30 05:43:25.1234 UTC t.floor(6) # => 2010-03-30 05:43:25.123456 UTC t.floor(8) # => 2010-03-30 05:43:25.12345678 UTC t.floor(10) # => 2010-03-30 05:43:25.123456789 UTC t = Time.utc(1999, 12, 31, 23, 59, 59) t # => 1999-12-31 23:59:59 UTC (t + 0.4).floor # => 1999-12-31 23:59:59 UTC (t + 0.9).floor # => 1999-12-31 23:59:59 UTC (t + 1.4).floor # => 2000-01-01 00:00:00 UTC (t + 1.9).floor # => 2000-01-01 00:00:00 UTC
Related: Time#ceil, Time#round.