mirror of https://github.com/status-im/op-geth.git
152 lines
3.5 KiB
Go
152 lines
3.5 KiB
Go
package otto
|
|
|
|
import (
|
|
"math"
|
|
"math/rand"
|
|
)
|
|
|
|
// Math
|
|
|
|
func builtinMath_abs(call FunctionCall) Value {
|
|
number := call.Argument(0).float64()
|
|
return toValue_float64(math.Abs(number))
|
|
}
|
|
|
|
func builtinMath_acos(call FunctionCall) Value {
|
|
number := call.Argument(0).float64()
|
|
return toValue_float64(math.Acos(number))
|
|
}
|
|
|
|
func builtinMath_asin(call FunctionCall) Value {
|
|
number := call.Argument(0).float64()
|
|
return toValue_float64(math.Asin(number))
|
|
}
|
|
|
|
func builtinMath_atan(call FunctionCall) Value {
|
|
number := call.Argument(0).float64()
|
|
return toValue_float64(math.Atan(number))
|
|
}
|
|
|
|
func builtinMath_atan2(call FunctionCall) Value {
|
|
y := call.Argument(0).float64()
|
|
if math.IsNaN(y) {
|
|
return NaNValue()
|
|
}
|
|
x := call.Argument(1).float64()
|
|
if math.IsNaN(x) {
|
|
return NaNValue()
|
|
}
|
|
return toValue_float64(math.Atan2(y, x))
|
|
}
|
|
|
|
func builtinMath_cos(call FunctionCall) Value {
|
|
number := call.Argument(0).float64()
|
|
return toValue_float64(math.Cos(number))
|
|
}
|
|
|
|
func builtinMath_ceil(call FunctionCall) Value {
|
|
number := call.Argument(0).float64()
|
|
return toValue_float64(math.Ceil(number))
|
|
}
|
|
|
|
func builtinMath_exp(call FunctionCall) Value {
|
|
number := call.Argument(0).float64()
|
|
return toValue_float64(math.Exp(number))
|
|
}
|
|
|
|
func builtinMath_floor(call FunctionCall) Value {
|
|
number := call.Argument(0).float64()
|
|
return toValue_float64(math.Floor(number))
|
|
}
|
|
|
|
func builtinMath_log(call FunctionCall) Value {
|
|
number := call.Argument(0).float64()
|
|
return toValue_float64(math.Log(number))
|
|
}
|
|
|
|
func builtinMath_max(call FunctionCall) Value {
|
|
switch len(call.ArgumentList) {
|
|
case 0:
|
|
return negativeInfinityValue()
|
|
case 1:
|
|
return toValue_float64(call.ArgumentList[0].float64())
|
|
}
|
|
result := call.ArgumentList[0].float64()
|
|
if math.IsNaN(result) {
|
|
return NaNValue()
|
|
}
|
|
for _, value := range call.ArgumentList[1:] {
|
|
value := value.float64()
|
|
if math.IsNaN(value) {
|
|
return NaNValue()
|
|
}
|
|
result = math.Max(result, value)
|
|
}
|
|
return toValue_float64(result)
|
|
}
|
|
|
|
func builtinMath_min(call FunctionCall) Value {
|
|
switch len(call.ArgumentList) {
|
|
case 0:
|
|
return positiveInfinityValue()
|
|
case 1:
|
|
return toValue_float64(call.ArgumentList[0].float64())
|
|
}
|
|
result := call.ArgumentList[0].float64()
|
|
if math.IsNaN(result) {
|
|
return NaNValue()
|
|
}
|
|
for _, value := range call.ArgumentList[1:] {
|
|
value := value.float64()
|
|
if math.IsNaN(value) {
|
|
return NaNValue()
|
|
}
|
|
result = math.Min(result, value)
|
|
}
|
|
return toValue_float64(result)
|
|
}
|
|
|
|
func builtinMath_pow(call FunctionCall) Value {
|
|
// TODO Make sure this works according to the specification (15.8.2.13)
|
|
x := call.Argument(0).float64()
|
|
y := call.Argument(1).float64()
|
|
if math.Abs(x) == 1 && math.IsInf(y, 0) {
|
|
return NaNValue()
|
|
}
|
|
return toValue_float64(math.Pow(x, y))
|
|
}
|
|
|
|
func builtinMath_random(call FunctionCall) Value {
|
|
var v float64
|
|
if call.runtime.random != nil {
|
|
v = call.runtime.random()
|
|
} else {
|
|
v = rand.Float64()
|
|
}
|
|
return toValue_float64(v)
|
|
}
|
|
|
|
func builtinMath_round(call FunctionCall) Value {
|
|
number := call.Argument(0).float64()
|
|
value := math.Floor(number + 0.5)
|
|
if value == 0 {
|
|
value = math.Copysign(0, number)
|
|
}
|
|
return toValue_float64(value)
|
|
}
|
|
|
|
func builtinMath_sin(call FunctionCall) Value {
|
|
number := call.Argument(0).float64()
|
|
return toValue_float64(math.Sin(number))
|
|
}
|
|
|
|
func builtinMath_sqrt(call FunctionCall) Value {
|
|
number := call.Argument(0).float64()
|
|
return toValue_float64(math.Sqrt(number))
|
|
}
|
|
|
|
func builtinMath_tan(call FunctionCall) Value {
|
|
number := call.Argument(0).float64()
|
|
return toValue_float64(math.Tan(number))
|
|
}
|