Class: Number

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

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# File 'opal/opal/corelib/number.rb', line 84
def %(other)
 %x{
 if (other.$$is_number) {
 if (other == -Infinity) {
 return other;
 }
 else if (other == 0) {
 #{::Kernel .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 106
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 62
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 **(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 40
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 238
def +@
 `+self`
end

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# File 'opal/opal/corelib/number.rb', line 51
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 73
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 139
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 212
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 150
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 206
def <=>(other)
 `spaceship_operator(self, other)`
rescue ::ArgumentError 
 nil
end

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# File 'opal/opal/corelib/number.rb', line 266
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 161
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 172
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 218
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 224
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 128
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 282
def abs
 `Math.abs(self)`
end

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# File 'opal/opal/corelib/number.rb', line 286
def abs2
 `Math.abs(self * self)`
end

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# File 'opal/opal/corelib/number.rb', line 290
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 300
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 295
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 321
def bit_length
 unless ::Integer  === self
 ::Kernel .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 343
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 362
def chr(encoding = undefined)
 `Opal.enc(String.fromCharCode(self), encoding || "BINARY")`
end

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

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# File 'opal/opal/corelib/number.rb', line 366
def denominator
 if nan? || infinite?
 1
 else
 super
 end
end

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# File 'opal/opal/corelib/number.rb', line 710
def digits(base = 10)
 if self < 0
 ::Kernel .raise  ::Math ::DomainError, 'out of domain'
 end
 base = ::Opal .coerce_to!  base, ::Integer , :to_int
 if base < 2
 ::Kernel .raise  ::ArgumentError , "invalid radix #{base}"
 end
 %x{
 if (self != parseInt(self)) #{::Kernel .raise  ::NoMethodError , "undefined method `digits' for #{inspect}"}
 var value = self, result = [];
 if (self == 0) {
 return [0];
 }
 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 739
def divmod(other)
 if nan? || other.nan?
 ::Kernel .raise  ::FloatDomainError , 'NaN'
 elsif infinite?
 ::Kernel .raise  ::FloatDomainError , 'Infinity'
 else
 super
 end
end

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# File 'opal/opal/corelib/number.rb', line 374
def downto(stop, &block)
 unless block_given?
 return enum_for(:downto, stop) do
 ::Kernel .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) {
 #{::Kernel .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 394
def equal?(other)
 self == other || `isNaN(self) && isNaN(other)`
end

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# File 'opal/opal/corelib/number.rb', line 398
def even?
 `self % 2 === 0`
end

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# File 'opal/opal/corelib/number.rb', line 782
def finite?
 `self != Infinity && self != -Infinity && !isNaN(self)`
end

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# File 'opal/opal/corelib/number.rb', line 402
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 421
def gcd(other)
 unless ::Integer  === other
 ::Kernel .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 441
def gcdlcm(other)
 [gcd(other), lcm(other)]
end

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# File 'opal/opal/corelib/number.rb', line 786
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 457
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 445
def integer?
 `self % 1 === 0`
end

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# File 'opal/opal/corelib/number.rb', line 449
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 465
def lcm(other)
 unless ::Integer  === other
 ::Kernel .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 778
def nan?
 `isNaN(self)`
end

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# File 'opal/opal/corelib/number.rb', line 804
def negative?
 `self == -Infinity || 1 / self < 0`
end

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# File 'opal/opal/corelib/number.rb', line 480
def next
 `self + 1`
end

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# File 'opal/opal/corelib/number.rb', line 846
def next_float
 return ::Float ::INFINITY if self == ::Float ::INFINITY
 return ::Float ::NAN if nan?
 if self >= 0
 # Math.abs() is needed to handle -0.0
 `incrementNumberBit(Math.abs(self))`
 else
 `decrementNumberBit(self)`
 end
end

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# File 'opal/opal/corelib/number.rb', line 484
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 489
def nonzero?
 `self == 0 ? nil : self`
end

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# File 'opal/opal/corelib/number.rb', line 493
def numerator
 if nan? || infinite?
 self
 else
 super
 end
end

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# File 'opal/opal/corelib/number.rb', line 501
def odd?
 `self % 2 !== 0`
end

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# File 'opal/opal/corelib/number.rb', line 505
def ord
 self
end

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# File 'opal/opal/corelib/number.rb', line 800
def positive?
 `self != 0 && (self == Infinity || 1 / self > 0)`
end

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# File 'opal/opal/corelib/number.rb', line 509
def pow(b, m = undefined)
 %x{
 if (self == 0) {
 #{::Kernel .raise  ::ZeroDivisionError , 'divided by 0'}
 }
 if (m === undefined) {
 return #{self**b};
 } else {
 if (!(#{::Integer  === b})) {
 #{::Kernel .raise  ::TypeError , 'Integer#pow() 2nd argument not allowed unless a 1st argument is integer'}
 }
 if (b < 0) {
 #{::Kernel .raise  ::TypeError , 'Integer#pow() 1st argument cannot be negative when 2nd argument specified'}
 }
 if (!(#{::Integer  === m})) {
 #{::Kernel .raise  ::TypeError , 'Integer#pow() 2nd argument not allowed unless all arguments are integers'}
 }
 if (m === 0) {
 #{::Kernel .raise  ::ZeroDivisionError , 'divided by 0'}
 }
 return #{(self**b) % m}
 }
 }
end

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# File 'opal/opal/corelib/number.rb', line 539
def pred
 `self - 1`
end

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# File 'opal/opal/corelib/number.rb', line 858
def prev_float
 return -::Float ::INFINITY if self == -::Float ::INFINITY
 return ::Float ::NAN if nan?
 if self > 0
 `decrementNumberBit(self)`
 else
 `-incrementNumberBit(Math.abs(self))`
 end
end

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# File 'opal/opal/corelib/number.rb', line 543
def quo(other)
 if ::Integer  === self
 super
 else
 self / other
 end
end

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# File 'opal/opal/corelib/number.rb', line 551
def rationalize(eps = undefined)
 %x{
 if (arguments.length > 1) {
 #{::Kernel .raise  ::ArgumentError , "wrong number of arguments (#{`arguments.length`} for 0..1)"};
 }
 }
 if ::Integer  === self
 ::Rational .new (self, 1)
 elsif infinite?
 ::Kernel .raise  ::FloatDomainError , 'Infinity'
 elsif nan?
 ::Kernel .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 575
def remainder(y)
 self - y * (self / y).truncate
end

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# File 'opal/opal/corelib/number.rb', line 579
def round(ndigits = undefined)
 if ::Integer  === self
 if `ndigits == null`
 return self
 end
 if ::Float  === ndigits && ndigits.infinite?
 ::Kernel .raise  ::RangeError , 'Infinity'
 end
 ndigits = ::Opal .coerce_to! (ndigits, ::Integer , :to_int)
 if ndigits < ::Integer ::MIN
 ::Kernel .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(self) + f / 2) / f) * f;
 return self < 0 ? -x : x;
 }
 else
 if nan? && `ndigits == null`
 ::Kernel .raise  ::FloatDomainError , 'NaN'
 end
 ndigits = ::Opal .coerce_to! (`ndigits || 0`, ::Integer , :to_int)
 if ndigits <= 0
 if nan?
 ::Kernel .raise  ::RangeError , 'NaN'
 elsif infinite?
 ::Kernel .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 774
def size
 4
end

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# File 'opal/opal/corelib/number.rb', line 644
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 656
def to_f
 self
end

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# File 'opal/opal/corelib/number.rb', line 660
def to_i
 `self < 0 ? Math.ceil(self) : Math.floor(self)`
end

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# File 'opal/opal/corelib/number.rb', line 664
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 676
def to_s (base = 10)
 base = ::Opal .coerce_to!  base, ::Integer , :to_int
 if base < 2 || base > 36
 ::Kernel .raise  ::ArgumentError , "invalid radix #{base}"
 end
 # Don't lose the negative zero
 if self == 0 && `1/self === -Infinity`
 return '-0.0'
 end
 `self.toString(base)`
end

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# File 'opal/opal/corelib/number.rb', line 691
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 749
def upto(stop, &block)
 unless block_given?
 return enum_for(:upto, stop) do
 ::Kernel .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) {
 #{::Kernel .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 769
def zero?
 `self == 0`
end

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# File 'opal/opal/corelib/number.rb', line 117
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