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step-i.ri
U:RDoc::AnyMethod[iI" step:ETI"Numeric#step;TF: publico:RDoc::Markup::Document: @parts[o: RDoc::Markup::Paragraph; [I"MInvokes the given block with the sequence of numbers starting at +num+, ;TI";incremented by +step+ (defaulted to +1+) on each call.;To: RDoc::Markup::BlankLine o; ; [I"PThe loop finishes when the value to be passed to the block is greater than ;TI"H+limit+ (if +step+ is positive) or less than +limit+ (if +step+ is ;TI"7negative), where +limit+ is defaulted to infinity.;T@o; ; [ I"BIn the recommended keyword argument style, either or both of ;TI"C+step+ and +limit+ (default infinity) can be omitted. In the ;TI"3fixed position argument style, zero as a step ;TI"J(i.e. <code>num.step(limit, 0)</code>) is not allowed for historical ;TI"compatibility reasons.;T@o; ; [I"KIf all the arguments are integers, the loop operates using an integer ;TI" counter.;T@o; ; [ I"KIf any of the arguments are floating point numbers, all are converted ;TI")to floats, and the loop is executed ;TI"3<i>floor(n + n*Float::EPSILON) + 1</i> times, ;TI")where <i>n = (limit - num)/step</i>.;T@o; ; [ I":Otherwise, the loop starts at +num+, uses either the ;TI"Jless-than (<code><</code>) or greater-than (<code>></code>) operator ;TI"-to compare the counter against +limit+, ;TI"=and increments itself using the <code>+</code> operator.;T@o; ; [I">If no block is given, an Enumerator is returned instead. ;TI"EEspecially, the enumerator is an Enumerator::ArithmeticSequence ;TI"Hif both +limit+ and +step+ are kind of Numeric or <code>nil</code>.;T@o; ; [I"For example:;T@o:RDoc::Markup::Verbatim; [ I"p 1.step.take(4) ;TI" p 10.step(by: -1).take(4) ;TI"'3.step(to: 5) {|i| print i, " " } ;TI"'1.step(10, 2) {|i| print i, " " } ;TI"=Math::E.step(to: Math::PI, by: 0.2) {|f| print f, " " } ;T: @format0o; ; [I"Will produce:;T@o; ; [ I"[1, 2, 3, 4] ;TI"[10, 9, 8, 7] ;TI" 3 4 5 ;TI"1 3 5 7 9 ;TI";2.718281828459045 2.9182818284590453 3.118281828459045;T; 0: @fileI"numeric.c;T:0@omit_headings_from_table_of_contents_below0I"znum.step(by: step, to: limit) {|i| block } -> self num.step(by: step, to: limit) -> an_enumerator num.step(by: step, to: limit) -> an_arithmetic_sequence num.step(limit=nil, step=1) {|i| block } -> self num.step(limit=nil, step=1) -> an_enumerator num.step(limit=nil, step=1) -> an_arithmetic_sequence ;T0[ I" (*args);T@EFI" Numeric;TcRDoc::NormalClass00