Class: Number

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# File 'opal/opal/corelib/number.rb', line 9
def allocate
 raise TypeError , "allocator undefined for #{name}"
end

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# File 'opal/opal/corelib/number.rb', line 88
def %(other)
 %x{
 if (other.$$is_number) {
 if (other == -Infinity) {
 return other;
 }
 else if (other == 0) {
 #{raise ZeroDivisionError , 'divided by 0'};
 }
 else if (other < 0 || self < 0) {
 return (self % other + other) % other;
 }
 else {
 return self % other;
 }
 }
 else {
 return #{__coerced__ :%, other};
 }
 }
end

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# File 'opal/opal/corelib/number.rb', line 110
def &(other)
 %x{
 if (other.$$is_number) {
 return self & other;
 }
 else {
 return #{__coerced__ :&, other};
 }
 }
end

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# File 'opal/opal/corelib/number.rb', line 64
def *(other)
 %x{
 if (other.$$is_number) {
 return self * other;
 }
 else {
 return #{__coerced__ :*, other};
 }
 }
end

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# File 'opal/opal/corelib/number.rb', line 254
def **(other)
 if Integer  === other
 if !(Integer  === self) || other > 0
 `Math.pow(self, other)`
 else
 Rational .new (self, 1)**other
 end
 elsif self < 0 && (Float  === other || Rational  === other)
 Complex .new (self, 0)**other.to_f
 elsif `other.$$is_number != null`
 `Math.pow(self, other)`
 else
 __coerced__ :**, other
 end
end

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# File 'opal/opal/corelib/number.rb', line 42
def +(other)
 %x{
 if (other.$$is_number) {
 return self + other;
 }
 else {
 return #{__coerced__ :+, other};
 }
 }
end

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# File 'opal/opal/corelib/number.rb', line 242
def +@
 `+self`
end

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# File 'opal/opal/corelib/number.rb', line 53
def -(other)
 %x{
 if (other.$$is_number) {
 return self - other;
 }
 else {
 return #{__coerced__ :-, other};
 }
 }
end

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# File 'opal/opal/corelib/number.rb', line 246
def -@
 `-self`
end

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# File 'opal/opal/corelib/number.rb', line 75
def /(other)
 %x{
 if (other.$$is_number) {
 return self / other;
 }
 else {
 return #{__coerced__ :/, other};
 }
 }
end

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# File 'opal/opal/corelib/number.rb', line 143
def <(other)
 %x{
 if (other.$$is_number) {
 return self < other;
 }
 else {
 return #{__coerced__ :<, other};
 }
 }
end

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# File 'opal/opal/corelib/number.rb', line 216
def <<(count)
 count = Opal .coerce_to!  count, Integer , :to_int
 `#{count} > 0 ? self << #{count} : self >> -#{count}`
end

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# File 'opal/opal/corelib/number.rb', line 154
def <=(other)
 %x{
 if (other.$$is_number) {
 return self <= other;
 }
 else {
 return #{__coerced__ :<=, other};
 }
 }
end

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# File 'opal/opal/corelib/number.rb', line 210
def <=>(other)
 `spaceship_operator(self, other)`
rescue ArgumentError 
 nil
end

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# File 'opal/opal/corelib/number.rb', line 284
def ==(other)
 %x{
 if (other.$$is_number) {
 return self.valueOf() === other.valueOf();
 }
 else if (#{other.respond_to? :==}) {
 return #{other == self};
 }
 else {
 return false;
 }
 }
end

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# File 'opal/opal/corelib/number.rb', line 270
def ===(other)
 %x{
 if (other.$$is_number) {
 return self.valueOf() === other.valueOf();
 }
 else if (#{other.respond_to? :==}) {
 return #{other == self};
 }
 else {
 return false;
 }
 }
end

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# File 'opal/opal/corelib/number.rb', line 165
def >(other)
 %x{
 if (other.$$is_number) {
 return self > other;
 }
 else {
 return #{__coerced__ :>, other};
 }
 }
end

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# File 'opal/opal/corelib/number.rb', line 176
def >=(other)
 %x{
 if (other.$$is_number) {
 return self >= other;
 }
 else {
 return #{__coerced__ :>=, other};
 }
 }
end

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# File 'opal/opal/corelib/number.rb', line 222
def >>(count)
 count = Opal .coerce_to!  count, Integer , :to_int
 `#{count} > 0 ? self >> #{count} : self << -#{count}`
end

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# File 'opal/opal/corelib/number.rb', line 228
def [](bit)
 bit = Opal .coerce_to!  bit, Integer , :to_int
 %x{
 if (#{bit} < 0) {
 return 0;
 }
 if (#{bit} >= 32) {
 return #{ self } < 0 ? 1 : 0;
 }
 return (self >> #{bit}) & 1;
 }
end

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# File 'opal/opal/corelib/number.rb', line 132
def ^(other)
 %x{
 if (other.$$is_number) {
 return self ^ other;
 }
 else {
 return #{__coerced__ :^, other};
 }
 }
end

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# File 'opal/opal/corelib/number.rb', line 36
def __id__
 `(self * 2) + 1`
end

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# File 'opal/opal/corelib/number.rb', line 298
def abs
 `Math.abs(self)`
end

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# File 'opal/opal/corelib/number.rb', line 302
def abs2
 `Math.abs(self * self)`
end

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# File 'opal/opal/corelib/number.rb', line 306
def allbits?(mask)
 mask = Opal .coerce_to!  mask, Integer , :to_int
 `(self & mask) == mask`
end

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# File 'opal/opal/corelib/number.rb', line 316
def angle
 return self if nan?
 %x{
 if (self == 0) {
 if (1 / self > 0) {
 return 0;
 }
 else {
 return Math.PI;
 }
 }
 else if (self < 0) {
 return Math.PI;
 }
 else {
 return 0;
 }
 }
end

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# File 'opal/opal/corelib/number.rb', line 311
def anybits?(mask)
 mask = Opal .coerce_to!  mask, Integer , :to_int
 `(self & mask) !== 0`
end

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# File 'opal/opal/corelib/number.rb', line 340
def bit_length
 unless Integer  === self
 raise NoMethodError .new ("undefined method `bit_length` for #{self}:Float", 'bit_length')
 end
 %x{
 if (self === 0 || self === -1) {
 return 0;
 }
 var result = 0,
 value = self < 0 ? ~self : self;
 while (value != 0) {
 result += 1;
 value >>>= 1;
 }
 return result;
 }
end

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# File 'opal/opal/corelib/number.rb', line 362
def ceil(ndigits = 0)
 %x{
 var f = #{to_f};
 if (f % 1 === 0 && ndigits >= 0) {
 return f;
 }
 var factor = Math.pow(10, ndigits),
 result = Math.ceil(f * factor) / factor;
 if (f % 1 === 0) {
 result = Math.round(result);
 }
 return result;
 }
end

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# File 'opal/opal/corelib/number.rb', line 381
def chr(encoding = undefined)
 `String.fromCharCode(self)`
end

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# File 'opal/opal/corelib/number.rb', line 16
def coerce(other)
 %x{
 if (other === nil) {
 #{raise TypeError , "can't convert #{other.class} into Float"};
 }
 else if (other.$$is_string) {
 return [#{Float (other)}, self];
 }
 else if (#{other.respond_to?(:to_f)}) {
 return [#{Opal .coerce_to! (other, Float , :to_f)}, self];
 }
 else if (other.$$is_number) {
 return [other, self];
 }
 else {
 #{raise TypeError , "can't convert #{other.class} into Float"};
 }
 }
end

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# File 'opal/opal/corelib/number.rb', line 385
def denominator
 if nan? || infinite?
 1
 else
 super
 end
end

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# File 'opal/opal/corelib/number.rb', line 916
def digits(base = 10)
 if self < 0
 raise Math ::DomainError , 'out of domain'
 end
 base = Opal .coerce_to!  base, Integer , :to_int
 if base < 2
 raise ArgumentError , "invalid radix #{base}"
 end
 %x{
 var value = self, result = [];
 while (value !== 0) {
 result.push(value % base);
 value = parseInt(value / base, 10);
 }
 return result;
 }
end

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# File 'opal/opal/corelib/number.rb', line 939
def divmod(other)
 if nan? || other.nan?
 raise FloatDomainError , 'NaN'
 elsif infinite?
 raise FloatDomainError , 'Infinity'
 else
 super
 end
end

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# File 'opal/opal/corelib/number.rb', line 393
def downto(stop, &block)
 unless block_given?
 return enum_for(:downto, stop) do
 raise ArgumentError , "comparison of #{self.class} with #{stop.class} failed" unless Numeric  === stop
 stop > self ? 0 : self - stop + 1
 end
 end
 %x{
 if (!stop.$$is_number) {
 #{raise ArgumentError , "comparison of #{self.class} with #{stop.class} failed"}
 }
 for (var i = self; i >= stop; i--) {
 block(i);
 }
 }
 self
end

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# File 'opal/opal/corelib/number.rb', line 415
def equal?(other)
 self == other || `isNaN(self) && isNaN(other)`
end

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# File 'opal/opal/corelib/number.rb', line 419
def even?
 `self % 2 === 0`
end

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# File 'opal/opal/corelib/number.rb', line 982
def finite?
 `self != Infinity && self != -Infinity && !isNaN(self)`
end

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# File 'opal/opal/corelib/number.rb', line 423
def floor(ndigits = 0)
 %x{
 var f = #{to_f};
 if (f % 1 === 0 && ndigits >= 0) {
 return f;
 }
 var factor = Math.pow(10, ndigits),
 result = Math.floor(f * factor) / factor;
 if (f % 1 === 0) {
 result = Math.round(result);
 }
 return result;
 }
end

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# File 'opal/opal/corelib/number.rb', line 442
def gcd(other)
 unless Integer  === other
 raise TypeError , 'not an integer'
 end
 %x{
 var min = Math.abs(self),
 max = Math.abs(other);
 while (min > 0) {
 var tmp = min;
 min = max % min;
 max = tmp;
 }
 return max;
 }
end

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# File 'opal/opal/corelib/number.rb', line 462
def gcdlcm(other)
 [gcd, lcm]
end

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# File 'opal/opal/corelib/number.rb', line 986
def infinite?
 %x{
 if (self == Infinity) {
 return +1;
 }
 else if (self == -Infinity) {
 return -1;
 }
 else {
 return nil;
 }
 }
end

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# File 'opal/opal/corelib/number.rb', line 480
def instance_of?(klass)
 return true if klass == Integer  && Integer  === self
 return true if klass == Integer  && Integer  === self
 return true if klass == Float  && Float  === self
 super
end

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# File 'opal/opal/corelib/number.rb', line 466
def integer?
 `self % 1 === 0`
end

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# File 'opal/opal/corelib/number.rb', line 470
def is_a?(klass)
 return true if klass == Integer  && Integer  === self
 return true if klass == Integer  && Integer  === self
 return true if klass == Float  && Float  === self
 super
end

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# File 'opal/opal/corelib/number.rb', line 488
def lcm(other)
 unless Integer  === other
 raise TypeError , 'not an integer'
 end
 %x{
 if (self == 0 || other == 0) {
 return 0;
 }
 else {
 return Math.abs(self * other / #{gcd(other)});
 }
 }
end

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# File 'opal/opal/corelib/number.rb', line 978
def nan?
 `isNaN(self)`
end

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# File 'opal/opal/corelib/number.rb', line 1004
def negative?
 `self == -Infinity || 1 / self < 0`
end

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# File 'opal/opal/corelib/number.rb', line 507
def next
 `self + 1`
end

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# File 'opal/opal/corelib/number.rb', line 511
def nobits?(mask)
 mask = Opal .coerce_to!  mask, Integer , :to_int
 `(self & mask) == 0`
end

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# File 'opal/opal/corelib/number.rb', line 516
def nonzero?
 `self == 0 ? nil : self`
end

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# File 'opal/opal/corelib/number.rb', line 520
def numerator
 if nan? || infinite?
 self
 else
 super
 end
end

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# File 'opal/opal/corelib/number.rb', line 528
def odd?
 `self % 2 !== 0`
end

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# File 'opal/opal/corelib/number.rb', line 532
def ord
 self
end

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# File 'opal/opal/corelib/number.rb', line 1000
def positive?
 `self != 0 && (self == Infinity || 1 / self > 0)`
end

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# File 'opal/opal/corelib/number.rb', line 536
def pow(b, m = undefined)
 %x{
 if (self == 0) {
 #{raise ZeroDivisionError , 'divided by 0'}
 }
 if (m === undefined) {
 return #{self**b};
 } else {
 if (!(#{Integer  === b})) {
 #{raise TypeError , 'Integer#pow() 2nd argument not allowed unless a 1st argument is integer'}
 }
 if (b < 0) {
 #{raise TypeError , 'Integer#pow() 1st argument cannot be negative when 2nd argument specified'}
 }
 if (!(#{Integer  === m})) {
 #{raise TypeError , 'Integer#pow() 2nd argument not allowed unless all arguments are integers'}
 }
 if (m === 0) {
 #{raise ZeroDivisionError , 'divided by 0'}
 }
 return #{(self**b) % m}
 }
 }
end

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# File 'opal/opal/corelib/number.rb', line 566
def pred
 `self - 1`
end

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# File 'opal/opal/corelib/number.rb', line 570
def quo(other)
 if Integer  === self
 super
 else
 self / other
 end
end

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# File 'opal/opal/corelib/number.rb', line 578
def rationalize(eps = undefined)
 %x{
 if (arguments.length > 1) {
 #{raise ArgumentError , "wrong number of arguments (#{`arguments.length`} for 0..1)"};
 }
 }
 if Integer  === self
 Rational .new (self, 1)
 elsif infinite?
 raise FloatDomainError , 'Infinity'
 elsif nan?
 raise FloatDomainError , 'NaN'
 elsif `eps == null`
 f, n = Math .frexp  self
 f = Math .ldexp (f, Float ::MANT_DIG ).to_i
 n -= Float ::MANT_DIG 
 Rational .new (2 * f, 1 << (1 - n)).rationalize (Rational .new (1, 1 << (1 - n)))
 else
 to_r.rationalize(eps)
 end
end

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# File 'opal/opal/corelib/number.rb', line 602
def remainder(y)
 self - y * (self / y).truncate
end

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# File 'opal/opal/corelib/number.rb', line 606
def round(ndigits = undefined)
 if Integer  === self
 if `ndigits == null`
 return self
 end
 if Float  === ndigits && ndigits.infinite?
 raise RangeError , 'Infinity'
 end
 ndigits = Opal .coerce_to! (ndigits, Integer , :to_int)
 if ndigits < Integer ::MIN 
 raise RangeError , 'out of bounds'
 end
 if `ndigits >= 0`
 return self
 end
 ndigits = -ndigits
 %x{
 if (0.415241 * ndigits - 0.125 > #{size}) {
 return 0;
 }
 var f = Math.pow(10, ndigits),
 x = Math.floor((Math.abs(x) + f / 2) / f) * f;
 return self < 0 ? -x : x;
 }
 else
 if nan? && `ndigits == null`
 raise FloatDomainError , 'NaN'
 end
 ndigits = Opal .coerce_to! (`ndigits || 0`, Integer , :to_int)
 if ndigits <= 0
 if nan?
 raise RangeError , 'NaN'
 elsif infinite?
 raise FloatDomainError , 'Infinity'
 end
 elsif ndigits == 0
 return `Math.round(self)`
 elsif nan? || infinite?
 return self
 end
 _, exp = Math .frexp (self)
 if ndigits >= (Float ::DIG  + 2) - (exp > 0 ? exp / 4 : exp / 3 - 1)
 return self
 end
 if ndigits < -(exp > 0 ? exp / 3 + 1 : exp / 4)
 return 0
 end
 `Math.round(self * Math.pow(10, ndigits)) / Math.pow(10, ndigits)`
 end
end

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# File 'opal/opal/corelib/number.rb', line 974
def size
 4
end

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# File 'opal/opal/corelib/number.rb', line 671
def step(limit = undefined, step = undefined, to: undefined, by: undefined, &block)
 %x{
 if (limit !== undefined && to !== undefined) {
 #{raise ArgumentError , 'to is given twice'}
 }
 if (step !== undefined && by !== undefined) {
 #{raise ArgumentError , 'step is given twice'}
 }
 function validateParameters() {
 if (to !== undefined) {
 limit = to;
 }
 if (limit === undefined) {
 limit = nil;
 }
 if (step === nil) {
 #{raise TypeError , 'step must be numeric'}
 }
 if (step === 0) {
 #{raise ArgumentError , "step can't be 0"}
 }
 if (by !== undefined) {
 step = by;
 }
 if (step === nil || step == null) {
 step = 1;
 }
 var sign = #{step <=> 0};
 if (sign === nil) {
 #{raise ArgumentError , "0 can't be coerced into #{step.class}"}
 }
 if (limit === nil || limit == null) {
 limit = sign > 0 ? #{Float ::INFINITY } : #{-Float ::INFINITY };
 }
 #{Opal .compare (self, limit)}
 }
 function stepFloatSize() {
 if ((step > 0 && self > limit) || (step < 0 && self < limit)) {
 return 0;
 } else if (step === Infinity || step === -Infinity) {
 return 1;
 } else {
 var abs = Math.abs, floor = Math.floor,
 err = (abs(self) + abs(limit) + abs(limit - self)) / abs(step) * #{Float ::EPSILON };
 if (err === Infinity || err === -Infinity) {
 return 0;
 } else {
 if (err > 0.5) {
 err = 0.5;
 }
 return floor((limit - self) / step + err) + 1
 }
 }
 }
 function stepSize() {
 validateParameters();
 if (step === 0) {
 return Infinity;
 }
 if (step % 1 !== 0) {
 return stepFloatSize();
 } else if ((step > 0 && self > limit) || (step < 0 && self < limit)) {
 return 0;
 } else {
 var ceil = Math.ceil, abs = Math.abs,
 lhs = abs(self - limit) + 1,
 rhs = abs(step);
 return ceil(lhs / rhs);
 }
 }
 }
 unless block_given?
 positional_args = []
 keyword_args = {}
 %x{
 if (limit !== undefined) {
 positional_args.push(limit);
 }
 if (step !== undefined) {
 positional_args.push(step);
 }
 if (to !== undefined) {
 Opal.hash_put(keyword_args, "to", to);
 }
 if (by !== undefined) {
 Opal.hash_put(keyword_args, "by", by);
 }
 if (#{keyword_args.any?}) {
 positional_args.push(keyword_args);
 }
 }
 return enum_for(:step, *positional_args) { `stepSize()` }
 end
 %x{
 validateParameters();
 if (step === 0) {
 while (true) {
 block(self);
 }
 }
 if (self % 1 !== 0 || limit % 1 !== 0 || step % 1 !== 0) {
 var n = stepFloatSize();
 if (n > 0) {
 if (step === Infinity || step === -Infinity) {
 block(self);
 } else {
 var i = 0, d;
 if (step > 0) {
 while (i < n) {
 d = i * step + self;
 if (limit < d) {
 d = limit;
 }
 block(d);
 i += 1;
 }
 } else {
 while (i < n) {
 d = i * step + self;
 if (limit > d) {
 d = limit;
 }
 block(d);
 i += 1
 }
 }
 }
 }
 } else {
 var value = self;
 if (step > 0) {
 while (value <= limit) {
 block(value);
 value += step;
 }
 } else {
 while (value >= limit) {
 block(value);
 value += step
 }
 }
 }
 return self;
 }
end

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# File 'opal/opal/corelib/number.rb', line 851
def times(&block)
 return enum_for(:times) { self } unless block
 %x{
 for (var i = 0; i < self; i++) {
 block(i);
 }
 }
 self
end

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# File 'opal/opal/corelib/number.rb', line 863
def to_f
 self
end

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# File 'opal/opal/corelib/number.rb', line 867
def to_i
 `parseInt(self, 10)`
end

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# File 'opal/opal/corelib/number.rb', line 873
def to_r
 if Integer  === self
 Rational .new (self, 1)
 else
 f, e = Math .frexp (self)
 f = Math .ldexp (f, Float ::MANT_DIG ).to_i
 e -= Float ::MANT_DIG 
 (f * (Float ::RADIX **e)).to_r
 end
end

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# File 'opal/opal/corelib/number.rb', line 885
def to_s (base = 10)
 base = Opal .coerce_to!  base, Integer , :to_int
 if base < 2 || base > 36
 raise ArgumentError , "invalid radix #{base}"
 end
 `self.toString(base)`
end

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# File 'opal/opal/corelib/number.rb', line 895
def truncate(ndigits = 0)
 %x{
 var f = #{to_f};
 if (f % 1 === 0 && ndigits >= 0) {
 return f;
 }
 var factor = Math.pow(10, ndigits),
 result = parseInt(f * factor, 10) / factor;
 if (f % 1 === 0) {
 result = Math.round(result);
 }
 return result;
 }
end

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# File 'opal/opal/corelib/number.rb', line 949
def upto(stop, &block)
 unless block_given?
 return enum_for(:upto, stop) do
 raise ArgumentError , "comparison of #{self.class} with #{stop.class} failed" unless Numeric  === stop
 stop < self ? 0 : stop - self + 1
 end
 end
 %x{
 if (!stop.$$is_number) {
 #{raise ArgumentError , "comparison of #{self.class} with #{stop.class} failed"}
 }
 for (var i = self; i <= stop; i++) {
 block(i);
 }
 }
 self
end

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# File 'opal/opal/corelib/number.rb', line 969
def zero?
 `self == 0`
end

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# File 'opal/opal/corelib/number.rb', line 121
def |(other)
 %x{
 if (other.$$is_number) {
 return self | other;
 }
 else {
 return #{__coerced__ :|, other};
 }
 }
end

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# File 'opal/opal/corelib/number.rb', line 250
def ~
 `~self`
end