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#include <cfloat>
#include "napi.h"
using namespace Napi;
Value ToInt32(const CallbackInfo& info) {
return Number::New(info.Env(), info[0].As<Number>().Int32Value());
}
Value ToUint32(const CallbackInfo& info) {
return Number::New(info.Env(), info[0].As<Number>().Uint32Value());
}
Value ToInt64(const CallbackInfo& info) {
return Number::New(info.Env(),
static_cast<double>(info[0].As<Number>().Int64Value()));
}
Value ToFloat(const CallbackInfo& info) {
return Number::New(info.Env(), info[0].As<Number>().FloatValue());
}
Value ToDouble(const CallbackInfo& info) {
return Number::New(info.Env(), info[0].As<Number>().DoubleValue());
}
Value MinFloat(const CallbackInfo& info) {
return Number::New(info.Env(), FLT_MIN);
}
Value MaxFloat(const CallbackInfo& info) {
return Number::New(info.Env(), FLT_MAX);
}
Value MinDouble(const CallbackInfo& info) {
return Number::New(info.Env(), DBL_MIN);
}
Value MaxDouble(const CallbackInfo& info) {
return Number::New(info.Env(), DBL_MAX);
}
Value OperatorInt32(const CallbackInfo& info) {
Number number = info[0].As<Number>();
return Boolean::New(info.Env(),
number.Int32Value() == static_cast<int32_t>(number));
}
Value OperatorUint32(const CallbackInfo& info) {
Number number = info[0].As<Number>();
return Boolean::New(info.Env(),
number.Uint32Value() == static_cast<uint32_t>(number));
}
Value OperatorInt64(const CallbackInfo& info) {
Number number = info[0].As<Number>();
return Boolean::New(info.Env(),
number.Int64Value() == static_cast<int64_t>(number));
}
Value OperatorFloat(const CallbackInfo& info) {
Number number = info[0].As<Number>();
return Boolean::New(info.Env(),
number.FloatValue() == static_cast<float>(number));
}
Value OperatorDouble(const CallbackInfo& info) {
Number number = info[0].As<Number>();
return Boolean::New(info.Env(),
number.DoubleValue() == static_cast<double>(number));
}
Value CreateEmptyNumber(const CallbackInfo& info) {
Number number;
return Boolean::New(info.Env(), number.IsEmpty());
}
Value CreateNumberFromExistingValue(const CallbackInfo& info) {
return info[0].As<Number>();
}
Object InitBasicTypesNumber(Env env) {
Object exports = Object::New(env);
exports["toInt32"] = Function::New(env, ToInt32);
exports["toUint32"] = Function::New(env, ToUint32);
exports["toInt64"] = Function::New(env, ToInt64);
exports["toFloat"] = Function::New(env, ToFloat);
exports["toDouble"] = Function::New(env, ToDouble);
exports["minFloat"] = Function::New(env, MinFloat);
exports["maxFloat"] = Function::New(env, MaxFloat);
exports["minDouble"] = Function::New(env, MinDouble);
exports["maxDouble"] = Function::New(env, MaxDouble);
exports["operatorInt32"] = Function::New(env, OperatorInt32);
exports["operatorUint32"] = Function::New(env, OperatorUint32);
exports["operatorInt64"] = Function::New(env, OperatorInt64);
exports["operatorFloat"] = Function::New(env, OperatorFloat);
exports["operatorDouble"] = Function::New(env, OperatorDouble);
exports["createEmptyNumber"] = Function::New(env, CreateEmptyNumber);
exports["createNumberFromExistingValue"] =
Function::New(env, CreateNumberFromExistingValue);
return exports;
}
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