Class: Number
Class Method Summary
collapse
Instance Method Summary
collapse
Methods inherited from Numeric
#__coerced__, #clone, #conj, #div, #dup, #i, #imag, #polar, #real, #real?, #rect, #step, #to_c
Methods included from Comparable
#between?, #clamp
Class Method Details
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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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Instance Method Details
#%(other) ⇒ Object
Also known as:
modulo
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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.$$is_number) {
return self * other;
}
else {
return #{__coerced__ :*, other};
}
}
end
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#**(other) ⇒ Object
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# File 'opal/opal/corelib/number.rb', line 254
def **(other)
if Integer === other
if !(Integer === self) || other > 0
`Math.pow(self, other)`
else
Rational.new(self, 1)**other
end
elsif self < 0 && (Float === other || Rational === other)
Complex.new(self, 0)**other.to_f
elsif `other.$$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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#/(other) ⇒ Object
Also known as:
fdiv
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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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#<<(count) ⇒ Object
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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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#<=(other) ⇒ Object
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# File 'opal/opal/corelib/number.rb', line 154
def <=(other)
%x{
if (other.$$is_number) {
return self <= other;
}
else {
return #{__coerced__ :<=, other};
}
}
end
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#<=>(other) ⇒ Object
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# File 'opal/opal/corelib/number.rb', line 210
def <=>(other)
`spaceship_operator(self, other)`
rescue ArgumentError
nil
end
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#==(other) ⇒ Object
Also known as:
eql?
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# File 'opal/opal/corelib/number.rb', line 284
def ==(other)
%x{
if (other.$$is_number) {
return self.valueOf() === other.valueOf();
}
else if (#{other.respond_to? :==}) {
return #{other == self};
}
else {
return false;
}
}
end
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#===(other) ⇒ Object
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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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#>=(other) ⇒ Object
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# File 'opal/opal/corelib/number.rb', line 176
def >=(other)
%x{
if (other.$$is_number) {
return self >= other;
}
else {
return #{__coerced__ :>=, other};
}
}
end
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#>>(count) ⇒ Object
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# File 'opal/opal/corelib/number.rb', line 222
def >>(count)
count = Opal.coerce_to! count, Integer, :to_int
`#{count} > 0 ? self >> #{count} : self << -#{count}`
end
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# File 'opal/opal/corelib/number.rb', line 228
def [](bit)
bit = Opal.coerce_to! bit, Integer, :to_int
%x{
if (#{bit} < 0) {
return 0;
}
if (#{bit} >= 32) {
return #{ self } < 0 ? 1 : 0;
}
return (self >> #{bit}) & 1;
}
end
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# File 'opal/opal/corelib/number.rb', line 132
def ^(other)
%x{
if (other.$$is_number) {
return self ^ other;
}
else {
return #{__coerced__ :^, other};
}
}
end
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#__id__ ⇒ Object
Also known as:
object_id
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# File 'opal/opal/corelib/number.rb', line 36
def __id__
`(self * 2) + 1`
end
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#abs ⇒ Object
Also known as:
magnitude
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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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#allbits?(mask) ⇒ Boolean
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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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#angle ⇒ Object
Also known as:
arg, phase
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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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#anybits?(mask) ⇒ Boolean
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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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#bit_length ⇒ Object
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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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#ceil(ndigits = 0) ⇒ Object
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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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#chr(encoding = undefined) ⇒ Object
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# File 'opal/opal/corelib/number.rb', line 381
def chr(encoding = undefined)
`Opal.enc(String.fromCharCode(self), encoding || "BINARY")`
end
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#coerce(other) ⇒ Object
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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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#denominator ⇒ Object
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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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#digits(base = 10) ⇒ Object
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# File 'opal/opal/corelib/number.rb', line 743
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{
if (self != parseInt(self)) #{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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#divmod(other) ⇒ Object
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# File 'opal/opal/corelib/number.rb', line 772
def divmod(other)
if nan? || other.nan?
raise FloatDomainError, 'NaN'
elsif infinite?
raise FloatDomainError, 'Infinity'
else
super
end
end
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#downto(stop, &block) ⇒ Object
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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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#equal?(other) ⇒ Boolean
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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 815
def finite?
`self != Infinity && self != -Infinity && !isNaN(self)`
end
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#floor(ndigits = 0) ⇒ Object
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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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#gcd(other) ⇒ Object
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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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#gcdlcm(other) ⇒ Object
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# File 'opal/opal/corelib/number.rb', line 462
def gcdlcm(other)
[gcd(other), lcm(other)]
end
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# File 'opal/opal/corelib/number.rb', line 819
def infinite?
%x{
if (self == Infinity) {
return +1;
}
else if (self == -Infinity) {
return -1;
}
else {
return nil;
}
}
end
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#instance_of?(klass) ⇒ Boolean
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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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#is_a?(klass) ⇒ Boolean
Also known as:
kind_of?
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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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#lcm(other) ⇒ Object
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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 811
def nan?
`isNaN(self)`
end
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# File 'opal/opal/corelib/number.rb', line 837
def negative?
`self == -Infinity || 1 / self < 0`
end
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#next ⇒ Object
Also known as:
succ
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# File 'opal/opal/corelib/number.rb', line 507
def next
`self + 1`
end
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#nobits?(mask) ⇒ Boolean
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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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#numerator ⇒ Object
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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 833
def positive?
`self != 0 && (self == Infinity || 1 / self > 0)`
end
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#pow(b, m = undefined) ⇒ Object
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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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#quo(other) ⇒ Object
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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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#rationalize(eps = undefined) ⇒ Object
#remainder(y) ⇒ Object
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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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#round(ndigits = undefined) ⇒ Object
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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(self) + 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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Since bitwise operations are 32 bit, declare it to be so.
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# File 'opal/opal/corelib/number.rb', line 807
def size
4
end
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#times(&block) ⇒ Object
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# File 'opal/opal/corelib/number.rb', line 673
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 685
def to_f
self
end
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#to_i ⇒ Object
Also known as:
to_int
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# File 'opal/opal/corelib/number.rb', line 689
def to_i
`self < 0 ? Math.ceil(self) : Math.floor(self)`
end
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#to_s(base = 10) ⇒ Object
Also known as:
inspect
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# File 'opal/opal/corelib/number.rb', line 707
def to_s(base = 10)
base = Opal.coerce_to! base, Integer, :to_int
if base < 2 || base > 36
raise ArgumentError, "invalid radix #{base}"
end
if self == 0 && `1/self === -Infinity`
return '-0.0'
end
`self.toString(base)`
end
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#truncate(ndigits = 0) ⇒ Object
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# File 'opal/opal/corelib/number.rb', line 722
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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#upto(stop, &block) ⇒ Object
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# File 'opal/opal/corelib/number.rb', line 782
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 802
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
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