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package otto
import (
"math"
"strconv"
)
// Number
func numberValueFromNumberArgumentList(argumentList []Value) Value {
if len(argumentList) > 0 {
return argumentList[0].numberValue()
}
return toValue_int(0)
}
func builtinNumber(call FunctionCall) Value {
return numberValueFromNumberArgumentList(call.ArgumentList)
}
func builtinNewNumber(self *_object, argumentList []Value) Value {
return toValue_object(self.runtime.newNumber(numberValueFromNumberArgumentList(argumentList)))
}
func builtinNumber_toString(call FunctionCall) Value {
// Will throw a TypeError if ThisObject is not a Number
value := call.thisClassObject("Number").primitiveValue()
radix := 10
radixArgument := call.Argument(0)
if radixArgument.IsDefined() {
integer := toIntegerFloat(radixArgument)
if integer < 2 || integer > 36 {
panic(call.runtime.panicRangeError("toString() radix must be between 2 and 36"))
}
radix = int(integer)
}
if radix == 10 {
return toValue_string(value.string())
}
return toValue_string(numberToStringRadix(value, radix))
}
func builtinNumber_valueOf(call FunctionCall) Value {
return call.thisClassObject("Number").primitiveValue()
}
func builtinNumber_toFixed(call FunctionCall) Value {
precision := toIntegerFloat(call.Argument(0))
if 20 < precision || 0 > precision {
panic(call.runtime.panicRangeError("toFixed() precision must be between 0 and 20"))
}
if call.This.IsNaN() {
return toValue_string("NaN")
}
value := call.This.float64()
if math.Abs(value) >= 1e21 {
return toValue_string(floatToString(value, 64))
}
return toValue_string(strconv.FormatFloat(call.This.float64(), 'f', int(precision), 64))
}
func builtinNumber_toExponential(call FunctionCall) Value {
if call.This.IsNaN() {
return toValue_string("NaN")
}
precision := float64(-1)
if value := call.Argument(0); value.IsDefined() {
precision = toIntegerFloat(value)
if 0 > precision {
panic(call.runtime.panicRangeError("toString() radix must be between 2 and 36"))
}
}
return toValue_string(strconv.FormatFloat(call.This.float64(), 'e', int(precision), 64))
}
func builtinNumber_toPrecision(call FunctionCall) Value {
if call.This.IsNaN() {
return toValue_string("NaN")
}
value := call.Argument(0)
if value.IsUndefined() {
return toValue_string(call.This.string())
}
precision := toIntegerFloat(value)
if 1 > precision {
panic(call.runtime.panicRangeError("toPrecision() precision must be greater than 1"))
}
return toValue_string(strconv.FormatFloat(call.This.float64(), 'g', int(precision), 64))
}
func builtinNumber_toLocaleString(call FunctionCall) Value {
return builtinNumber_toString(call)
}
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