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U:RDoc::AnyMethod[iI" ceil:ETI"Float#ceil;TF: publico:RDoc::Markup::Document: @parts[o: RDoc::Markup::Paragraph; [I"Returns a numeric that is a "ceiling" value for self,
as specified by the given ndigits,
which must be an
{integer-convertible object}[rdoc-ref:implicit_conversion.rdoc@Integer-Convertible+Objects].;To;
; [I"When ndigits is positive, returns a Float with ndigits
decimal digits after the decimal point
(as available, but no fewer than 1):;To:RDoc::Markup::Verbatim; [I"f = 12345.6789
f.ceil(1) # => 12345.7
f.ceil(3) # => 12345.679
f.ceil(30) # => 12345.6789
f = -12345.6789
f.ceil(1) # => -12345.6
f.ceil(3) # => -12345.678
f.ceil(30) # => -12345.6789
f = 0.0
f.ceil(1) # => 0.0
f.ceil(100) # => 0.0
;T: @format0o;
; [I"cWhen ndigits is non-positive,
returns an Integer 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.ceil(ndigits);T: @align[:
right;;:
@body[ [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;To;
; [I".Examples with negative self:;To;;[I" ndigits;TI"Granularity;TI" -12345.6789.ceil(ndigits);T;[;;;;[ [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"cWhen self is zero and ndigits is non-positive,
returns Integer zero:;To; ; [I"A0.0.ceil(0) # => 0
0.0.ceil(-1) # => 0
0.0.ceil(-2) # => 0
;T; 0o;
; [I"aNote that the limited precision of floating-point arithmetic
may lead to surprising results:;To; ; [I"Z(2.1 / 0.7).ceil #=> 4 # Not 3 (because 2.1 / 0.7 # => 3.0000000000000004, not 3.0)
;T; 0o;
; [I"Related: Float#floor.;T:
@fileI"numeric.c;T:0@omit_headings_from_table_of_contents_below0I"+ceil(ndigits = 0) -> float or integer
;T0[ I" (*args);T@vFI"
Float;TcRDoc::NormalClass00