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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 self,
as specified by ndigits,
which must be an
{integer-convertible object}[rdoc-ref:implicit_conversion.rdoc@Integer-Convertible+Objects].;To;
; [I"}When self is zero,
returns a zero value:
a float if ndigits 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 self is non-zero and ndigits is positive, returns a float with ndigits
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 self is non-zero and ndigits 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 10 ** ndigits.abs.;To;;0; [o;
; [I"tThe returned value is the largest multiple of the granularity
that is less than or equal to self.;To;
; [I".Examples with positive self:;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 self:;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