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: / opt / alt / ruby34 / share / ri / system / Float /
Filename : floor-i.ri
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U:RDoc::AnyMethod[iI"
floor:ETI"Float#floor;TF:publico:RDoc::Markup::Document:@parts[o:RDoc::Markup::Paragraph;	[I"�Returns a float or integer that is a "floor" value for <code>self</code>,
as specified by <code>ndigits</code>,
which must be an
{integer-convertible object}[rdoc-ref:implicit_conversion.rdoc@Integer-Convertible+Objects].;To;
;	[I"}When <code>self</code> is zero,
returns a zero value:
a float if <code>ndigits</code> is positive,
an integer otherwise:;To:RDoc::Markup::Verbatim;	[I"Yf = 0.0      # => 0.0
f.floor(20)  # => 0.0
f.floor(0)   # => 0
f.floor(-20) # => 0
;T:@format0o;
;	[I"�When <code>self</code> is non-zero and <code>ndigits</code> is positive, returns a float with <code>ndigits</code>
digits after the decimal point (as available):;To;;	[I"�f = 12345.6789
f.floor(1)  # => 12345.6
f.floor(3)  # => 12345.678
f.floor(30) # => 12345.6789
f = -12345.6789
f.floor(1)  # => -12345.7
f.floor(3)  # => -12345.679
f.floor(30) # => -12345.6789
;T;0o;
;	[I"�When <code>self</code> is non-zero and <code>ndigits</code> is non-positive,
returns an integer value based on a computed granularity:;To:RDoc::Markup::List:
@type:BULLET:@items[o:RDoc::Markup::ListItem:@label0;	[o;
;	[I"7The granularity is <code>10 ** ndigits.abs</code>.;To;;0;	[o;
;	[I"tThe returned value is the largest multiple of the granularity
 that is less than or equal to <code>self</code>.;To;
;	[I".Examples with positive <code>self</code>:;To:RDoc::Markup::Table:@header[I"ndigits;TI"Granularity;TI"12345.6789.floor(ndigits);T:@align[:
right;;:
@body[[I"0;TI"1;TI"
12345;T[I"-1;TI"10;TI"
12340;T[I"-2;TI"100;TI"
12300;T[I"-3;TI"	1000;TI"
12000;T[I"-4;TI"
10000;TI"
10000;T[I"-5;TI"100000;TI"0;To;
;	[I".Examples with negative <code>self</code>:;To;;[I"ndigits;TI"Granularity;TI"-12345.6789.floor(ndigits);T;[;;;;[[I"0;TI"1;TI"-12346;T[I"-1;TI"10;TI"-12350;T[I"-2;TI"100;TI"-12400;T[I"-3;TI"	1000;TI"-13000;T[I"-4;TI"
10000;TI"-20000;T[I"-5;TI"100000;TI"-100000;T[I"-6;TI"1000000;TI"
-1000000;To;
;	[I"aNote that the limited precision of floating-point arithmetic
may lead to surprising results:;To;;	[I"_(0.3 / 0.1).floor  # => 2 # Not 3, (because (0.3 / 0.1) # => 2.9999999999999996, not 3.0)
;T;0o;
;	[I"Related: Float#ceil.;T:
@fileI"numeric.c;T:0@omit_headings_from_table_of_contents_below0I",floor(ndigits = 0) -> float or integer
;T0[�I"(*args);T@zFI"
Float;TcRDoc::NormalClass00