雖然這篇Lua_tonumber鄉民發文沒有被收入到精華區：在Lua_tonumber這個話題中，我們另外找到其它相關的精選爆讚文章
[爆卦]Lua_tonumber是什麼？優點缺點精華區懶人包
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#124.2.2 – Querying Elements - Lua.org
To get a value from the stack, there are the lua_to* functions: int lua_toboolean (lua_State *L, int index); double lua_tonumber (lua_State *L, int index); ...
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#2Lua: Functions and Types: lua_tonumber - [email protected]
lua_Number lua_tonumber (lua_State *L, int index);. Converts the Lua value at the given acceptable index to the C type lua_Number (see lua_Number ).
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#3lua_tonumber不自动出栈哦！ - CSDN博客
lua_tonumber 和lua_tonumberx的区别在于lua_tonumberx多一个int*参数，用于返回操作是否成功。 lua_tonumber返回double; lua_tointeger返回long long.
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#4C++ (Cpp) lua_tonumber Examples - HotExamples
C++ (Cpp) lua_tonumber - 30 examples found. These are the top rated real world C++ (Cpp) examples of lua_tonumber extracted from open source projects.
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#5Why lua_tonumber() has different behavior from lua_tointeger ...
I tried to convert a string from Lua(5.1.5) to an integer, and check if the number is a valid integer(0~99999). However, I found lua_tonumber() ...
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#6undefined symbol: lua_tonumber · Issue #47 · pkulchenko/wxlua
lua_tonumber is a macro, so it doesn't exist as a function. It looks like a case of mismatched Lua versions or incorrect setup. Can you provide ...
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#7lua_tonumber - Lua 5.1 帮助手册- 文江博客
lua_Number lua_tonumber (lua_State *L, int index); Converts the Lua value at the given acceptable index to a number (see…
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#8【C++】如何從Lua C API中的函式獲取多個返回值？ - 程式人生
lua_tonumber 不會更改 lua_State 的堆疊。您需要在兩個不同的index1上閱讀它: int ret1 = lua_tonumber(L, -2); int ret2 = lua_tonumber(L, ...
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#9lua_tonumber不自动出栈哦！_fgh123的博客-程序员宝宝
lua_tonumber 和lua_tonumberx的区别在于lua_tonumberx多一个int*参数，用于返回操作是否成功。 lua_tonumber返回double; lua_tointeger返回long long. 版权声明：本文为博 ...
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#10【Lua】lua_tonumber返回0_k527971724的博客-程序员资料
【Lua】lua_tonumber返回0_k527971724的博客-程序员资料_lua_tonumber ... printf("%d\n",(int)lua_tonumber(lua,-1)); //返回的是double类型，转型才能的到正确答案.
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#11Lua脚本和C++交互（二） - 小天_y - 博客园
... nIn = lua_gettop(m_pState) int nData1 = lua_tonumber(m_pState, ... 读取栈底第二个绝对坐标中的元素 int nData3 = lua_tonumber(m_pState, ...
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#12Lua 元表 - 免费编程教程
lua_tonumber 函数- fengari 库- Dart APItonumber (e [, base]) 当没有基数调用时，tonumber 会尝试将其参数转换为数字。如果参数已经是数字或可转换为数字的字符串，则 ...
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#13lua_tonumber不自动出栈哦！ - 代码先锋网
lua_tonumber 不自动出栈哦！，代码先锋网，一个为软件开发程序员提供代码片段和技术文章聚合的网站。
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#14c++ - lua_register - lua_tonumber - Code Examples
c++ - lua_register - lua_tonumber ... on a key directly, that is you have to check the value of the key and then decide to use lua_tostring or lua_tonumber.
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#15【Lua】lua_tonumber返回0_k527971724的博客-程序员宝宝
printf("%d\n",lua_tonumber(lua,-1)); //0printf("%d\n",(int)lua_tonumber(lua,-1)); //返回的是double类型，转型才能的到正确答案.
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#16C++ lua_pushthread函數代碼示例- 純淨天空
... ti = lua_tonumber(L, -1); lua_pop(L,1); lua_pushthread(L); lua_rawget(L, ... lua_upvalueindex(2)); // 取出totaltime double total_time = lua_tonumber(L, ...
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#17Lua--3.編程 - 台部落
lua_tonumber 轉換指定索引的值爲數字（lua_Number默認爲double）。這一lua值必須數字或可轉換爲數字的字符串（參考2.2.1），否則lua_tonumber返回0。
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#18lua_tonumber ( L idx -- lua_Number ) - Factor Documentation
LIBRARY: liblua5.1 FUNCTION: lua_Number lua_tonumber ( lua_State* L, int idx ). This documentation was generated offline from a load-all image.
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#19在c中調用lua函數
int argc = lua_gettop( L ) ; //總共的參數個數int n = (int)lua_tonumber( L , 1 ) ; //取得第一個參數，lua_tonumber、lua_tostring等api，把參數從lua抓到c的函 ...
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#20浮点数问题探究
... int n = lua_gettop(l); if (n == 2) { uint64_t a = lua_tonumber(l, 1); uint64_t b = lua_tonumber(l, 2); //printf("%"PRIu64" %"PRIu64"\n", ...
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#21lua/lapi.c File Reference - Ftp
LUA_API lua_Number, lua_tonumber (lua_State *L, int idx). LUA_API int, lua_toboolean (lua_State *L, int idx). LUA_API const char *, lua_tostring (lua_State ...
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#22在c中调用lua函数，获取返回值等 - 华为云社区
然后调用lua_call(), 并且告诉程序偶们有两个参数一个返回值. * 接着偶们从栈顶取回返回值, 用lua_tonumber(). * 最后偶们用lua_pop()把返回值清掉.
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#23Lua调用C++动态链接库.so - 1024搜-程序员专属的搜索引擎
<< endl; return 0; } int a = lua_tonumber(L, 1); //获取第一个参数，被减数 int b = lua_tonumber(L, 2); //获取第二个参数，减数 int diff = a ...
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#24lua与配置文件#61
s=%d\n", lpszTableName, lpszTableItem, (int)lua_tonumber(L, -1)); lua_pop(L, 2); } static void ReadTableFromIndex(lua_State *L, const char* lpszTableName, ...
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#25lua调用C++函数-白红宇的个人博客
... 头文件#include"lua.hpp"//第一步：定义luaGlue函数intadd(lua_State*L){doubleop1=lua_tonumber(L,-1);doubleop2=lua_tonumber(L,-2);lua_push.
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#27lua_utility.cpp - The ARGoS Website
40 pcRNG->Bernoulli(lua_tonumber(pt_state, 1)));. 41 return 1; ... 190 case LUA_TNUMBER: c_log << lua_tonumber(pt_state, n_index); break;.
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#28为什么lua_tonumber()在处理大整数时与lua_tointeger()有不同 ...
但是,我发现lua_tonumber()在处理大整数时与lua_tointeger()有不同的行为. int main() { int in; double db; lua_State* Lua = luaL_newstate(); ...
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#29ocl: lua-repl.h File Reference - ROS Documentation
LUA_API lua_Number(), lua_tonumber (lua_State *L, int idx). LUA_API const void *(), lua_topointer (lua_State *L, int idx).
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#30lua 和C++ 相互调用 - 知乎专栏
... -1); cout << "lua myTable.name is : " << tableName << endl; lua_getfield(L, -2, "id"); int tableId = lua_tonumber(L, -1); cout << "lua myTable.id is ...
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#31Lua调用C++动态链接库.so - 51CTO博客
int a = lua_tonumber(L, 1); //获取第一个参数，被减数 int b = lua_tonumber(L, 2); //获取第二个参数，减数 int diff = a - b;
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#32测试Lua数是整数还是浮点 - 955Yes
... -1)) // int / unsigned int / float: { luaVarName = lua_tostring(luaCtx, -2); double n = static_cast<double>(lua_tonumber(luaCtx, ...
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#33luatypemaps.swg * * basic typemaps for Lua ...
... unsigned char %{SWIG_contract_assert((lua_tonumber(L,$input)>=0),"number must ... $1 = ($type)lua_tonumber(L, $input);%} %typemap(out) int,short,long, ...
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#34LUA学习 - 编程猎人
//C++取出LUA脚本里的值 lua_tonumber //取出实数 lua_tointeger //取出整数 lua_toboolean //取出布尔类型 lua_tolstring //取出字符串//LUA取出C++里的值 ...
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#353.5 – Getting Values from the Stack - 《Lua 5.0 Reference ...
lua_Number lua_tonumber (lua_State *L,int index);; constchar ...
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#36C和lua的互相调用_王绍全的博客-程序员ITS201
lua_tonumber 这个是把堆栈中的某个值作为int取出来（因为l_ff有返回值，因此堆栈最顶上就是函数的返回值）. 在函数c_add里面，lua_pushnumber才是lua调用的返回值（ ...
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#373.5 – Getting Values from the Stack - 《Lua 5.0 ... - 书栈网
lua_Number lua_tonumber (lua_State *L, int index);; const char ...
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#38Lua calls C + + dynamic link library so
<< endl; return 0; } int a = lua_tonumber(L, 1); // Get the first parameter , minuend int b = lua_tonumber(L, 2); // Get the second ...
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#39【+Extending+Lua+with+c+c+Embedding+Lua+in+c+c+】 - #1
... 的，我们可以通过编写新的C函数来扩展Lua。 先编写C函数； int add(lua_State *L){ int num1 = lua_tonumber(L, 1); int num2 = lua_tonumber(L, 2); int sum =.
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#40Minimap: Do a double-typecast to fix compiling with MSVC
m->setMinimapShape((MinimapShape)lua_tonumber(L, 2));. m->setMinimapShape((MinimapShape)((int)lua_tonumber(L, 2)));. return 0;.
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#41Lua and Ogre
... Ogre::String name = lua_tostring(L,1); PhysicsWorld::getSingleton()->applyForce(name, Ogre::Vector3(lua_tonumber(L,2),lua_tonumber(L,3), lua_tonumber(L ...
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#42c调用lua - 文章整合
... fResult = lua_tonumber(L, -1); //弹出返回值 lua_pop(L, 1); return fResult; } float sub(lua_State* L, float a, float b){ lua_getglobal(L, ...
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#43c - 从C 中的args 读取Lua 表- 堆栈级别不正确？ - Cache One
... o->position.y = lua_tonumber(L, -1); lua_pop(L, 1); lua_getfield(L, -1, "z"); o->position.z = lua_tonumber(L, -1); lua_pop(L, 2); lua_pushstring(L, ...
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#44Lua调用C++动态链接库.so_牧羊女-程序员宅基地
<< endl; return 0; } int a = lua_tonumber(L, 1); //获取第一个参数，被减数 int b = lua_tonumber(L, 2); //获取第二个参数，减数 int diff = a - b; ...
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#45#AltDevBlogADay » A Little Trick To Make Faster Lua Bindings
... "this" ) ) { self->SetThis( (int)lua_tonumber( L, 3 ) ); return 0; } else if ( !strcmp( key, "that" ) ) { self->SetThat( (int)lua_tonumber( L, ...
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#46(Lua) C++ 呼叫Lua 的變數、函式- IT閱讀
-1] 16 lua_getglobal(L, "blood"); 17 lua_getglobal(L, "monster_type"); 18 19 double blood = lua_tonumber(L, 1); // index = 1 or -2 20 string ...
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#47typemaps.i - Apple Open Source
... this: %typemap(in,checkfn="lua_isnumber") int *INPUT(int temp), int &INPUT(int temp) %{ temp = (int)lua_tonumber(L,$input); $1 = &temp; %} %typemap(in, ...
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#48Lua tutorial (19): C calls Lua | Develop Paper
int r = (int)(lua_tonumber(L,-1) * 255); lua_pop(L,1); lua_getfield(L,-1,”g”); if (!lua_isnumber(L,-1)) {
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#49深入xLua實現原理之C#如何呼叫Lua | IT人
Cdecl)] public static extern double lua_tonumber(IntPtr L, int index); [DllImport(LUADLL, CallingConvention = CallingConvention.
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#50lua笔记之如何在编写能被lua调用的c库[原创] - imjacob的专栏
所以要用到lua_tonumber，lua_pushnumber等操作。二.所有在Lua中被调用的C/C++函数必须是下面这种格式： typedef int (*lua_CFunction) (lua_State *L);.
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#51lua_pop(L, 2) and lua_pushnumber() | OTLand
int32_t NpcScript::luaGetItemCount(lua_State* L){ int item_count= (int)lua_tonumber(L, -1); uint32_t item_id = (uint32_t)lua_tonumber(L, ...
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#52为什么lua_tonumber() 在处理大整数时与lua_tointeger() 有不同 ...
我尝试将字符串从Lua(5.1.5) 转换为整数，并检查该数字是否为有效整数(0~99999)。但是，我发现lua_tonumber() 在处理大整数时与lua_tointeger() 有不同的行为。
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#53lua调用c动态库教程 - ICode9
... (lua_State* L); static int lnum_add(lua_State* L) { double a = lua_tonumber(L, 1); //利用lua_tonumber获取参数 double b = lua_tonumber(L, ...
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#54(Lua) C++ 呼叫Lua 的變數、函式 - 术之多
cout << lua_tonumber(L, -) << endl;; lua_pop(L, );; }; }. 在C++ 輸入變數給Lua 且return 結果. int luaf(lua_State *L){; double sum;
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#55深入lua栈交互—cpp调用lua数据
... y); lua_call(l, 2, 3);cout << "top is " << lua_gettop(l) << endl;cout << lua_tonumber(l, lua_gettop(l) - 0) << endl;cout << lua_tonumber(l, ...
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#5624.2.2 查询元素- Lua程序设计
double lua_tonumber (lua_State *L, int index); ... 在这种情况下，lua_toboolean、lua_tonumber和lua_strlen返回0，其他函数返回NULL。由于ANSI C没有提供有效的 ...
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#57issue linking with lua [solved] / Programming & Scripting / Arch ...
... undefined reference to `lua_tonumber(lua_State*, int)' texture.cpp:(.text+0x2b1): undefined reference to `lua_tonumber(lua_State*, ...
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#58LUA怎么获取指定的函数返回值? - 慕课网
... 获取第一个参数 double x=lua_tonumber(L,1); double y=lua_tonumber(L,2); //返回值压栈，压入两个返回值 lua_pushnumber(L,x+y);  ...
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#59为什么在处理大整数时lua_tonumber()与lua_tointeger()具有 ...
Why lua_tonumber() has different behavior from lua_tointeger() when dealing with big integer?我试图将字符串从Lua(5.1.5)转换为整数， ...
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#60C/C++调用Lua接口封装技巧 - 豌豆代理
... -1))); if(!lua_isnumber(L, -1)) LOG(LERROR, ("function 'f' must return a number")); z = lua_tonumber(L, -1); lua_pop(L, 1); return z; }.
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#61【Lua与C#交互①】Lua中的栈-爱代码爱编程
luaL_newstate(); LuaAPI.lua_pushnumber(L, num); if(LuaAPI.lua_isnumber(L, 1)) { Debug.Log(LuaAPI.lua_tonumber(L, 1)); } LuaAPI.lua_close(L); } ...
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#62little丶Sunshine的博客-程序员信息网_lua调用c++函数
... 加载lua头文件#include "lua.hpp"// 第一步：定义luaGlue函数int add(lua_State* L){ double op1 = lua_tonumber(L, -1); double op2 ...
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#63Lua怎么调用C/C++函数/库- 编程语言 - 亿速云
lua_pcall(L, 1, 1, 0)) { printf("cpp call lua function failed\n"); } printf("cos(0.5)=%f\n", lua_tonumber(L, -1)); lua_pop(L, 1); } //注册库 ...
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#64lua53_sys::lua::lua_pushglobaltable - Rust - Docs.rs
... lua_stringtonumber · lua_toboolean · lua_tocfunction · lua_tointeger · lua_tointegerx · lua_tolstring · lua_tonumber · lua_tonumberx · lua_topointer ...
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#65Lua：垃圾收集userdata - 自由资讯
... sizeof(rgb_t *)); *ud = rgb(lua_tonumber(L,1),lua_tonumber(L,2),lua_tonumber(L,3)); return 1; }. 当从Lua调用L_rgb函数时,会发生两次分配.
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#66【Lua与C#交互③】方法调用和错误处理函数 - 灰信网（软件 ...
0) { Debug.LogError(LuaDLL.lua_tostring(L, -1)); } Debug.Log(LuaDLL.lua_tonumber(L, -1)); Debug.Log(LuaDLL.lua_tonumber(L, -2)); LuaDLL.lua_close(L);.
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#67problem with compling c code with luaL functions - Lua Users
... value at the top of the stack (index -1) */ sum = lua_tonumber(L, ... to `lua_tonumber' test.c:(.text+0x1b0): undefined reference to ...
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#68lua c++ 互操作 - 菊长的菊花田
首先使用 lua_getglobal() 函数将想要获得的lua值放入栈顶，之后使用 lua_tonumber(L,-1) 函数将栈顶的数字传给c++变量，使用 lua_tostring(L, ...
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#69lua 在c/c++里的调用
T val = (T)lua_tonumber(pL,1);; lua_pop(pL,1);; return val;; }; inline string PopLuaTableString(lua_State* pL, const char* tableName,const ...
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#70lua 最简易C模块
#include "lua.h" #include "lauxlib.h" static int add(lua_State *L) { float a1 = lua_tonumber(L, 1); float a2 = lua_tonumber(L, ...
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#71Lua入門之二：C/C++ 調用Lua及多個函數返回值的獲取 - Linux ...
double x=lua_tonumber(L,1); double y=lua_tonumber(L,2); //返回值壓棧，壓入兩個返回值 lua_pushnumber(L,x+y); lua_pushnumber(L,1000);.
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#72lua笔记_至尊宝 - 博客- 新浪
... cout<<"error"<<endl;; result=(int)lua_tonumber(L,-1);; lua_pop(L,1);; returnresult;; }. 虽然代码最终运行成功。但是过程中，各种bug。
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#73[置顶] lua进阶8-－ C++读取lua文件裏的三维表 - 程序员那么可爱
... int m_id = 0; while(lua_next(L,it_idx)) { const char* strkey = lua_tostring(L,-2); if (strcmp(strkey,"m_nId") == 0) { m_id = (int)lua_tonumber(L, ...
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#74Nginx+lua 实现调用.so文件 - ITPUB博客
1.编写业务代码，其中包括业务方法的封装器。 static int lua_Locate( lua_State* L ) { long handle = lua_tonumber( L, 1 ); const char* ...
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#75深入lua栈交互—cpp调用lua数据 - 布布扣
... lua_pop(l, 3);/*function返回了3个值*/ cout << "\n\n" << endl; lua_getglobal(l, "b");/*获取变量 压入栈中*/ cout <<"b=" <<lua_tonumber(l, ...
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#76ubuntu配置lua環境，并進行c與lua的互相調用 - 天天看點
... a = lua_tonumber(L,1); b = lua_tonumber(L,2); c = a + b; lua_pushnumber(L,c); return 1; } static const struct luaL_Reg lib[] = { //左邊 ...
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#77lua_tonumber - Codea
lua_tonumber. Possible bug: lua_tonumber not working after update to runtime? 359 views 5 comments 0 points Most recent by Zoyt March 2014 Bugs.
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#78programming in lua (9) - O 的笔记
... 1); /* get size of table */ for (i = 0; i < n; ++i) { int value; lua_rawgeti(l, 1, i); value = lua_tonumber(l, -1); printf("%d -> %d\n", ...
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#79Exposing C functions to Lua - Sasank's Blog
You will then read the arguments from the stack as (indexing for this stack starts with 1 like in lua): double arg1 = lua_tonumber (L, 1); ...
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#80为lua添加简单的网络功能(操作系统) - AI牛丝
... 注册到lua中的C函数int lua_PrepareSend(lua_State *L) { SOCKET_INFORMATION *sockInfo = lua_touserdata(L,-2); int len = lua_tonumber(L,-1); ...
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#81Lua Reference Manual of the Programming Language Lua 4.0
lua_tonumber converts the value at the given index to a floating-point number. This value must be a number or a string convertible to number ...
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#82Ways Ahead: Proceedings of the First International Csound ...
opcodename , lua_tostring ( L , -1 ) ) ; } result = lua_tonumber ( L , -1 ) ; lua_pop ( L , 1 ) ; return OK ; } int kontrol ( CSOUND * csound ) { int result ...
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#83Seven More Languages in Seven Weeks: Languages That Are ...
... status = lua_tonumber(L, -3); double data1 = lua_tonumber(L, -2); double data2 = lua_tonumber(L, -1); // ...rest of C++ function here.
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#84Lua Quick Start Guide: The easiest way to learn Lua programming
The following code demonstrates this: int LuaWrapperVec3Magnitude(lua_State* L) { } double x = lua_tonumber(L, 3); double y = lua_tonumber(L, ...
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#85lua - luaL_checknumber和lua_tonumber有什么区别？
lua_tonumber 还将转换表示数字的字符串。 luaL_checknumber 如何处理不是数字的东西？ 还有 luaL_checklong 和 luaL_checkinteger 。它们分别与 (int)luaL_checknumber ...
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#86精通Cocos2d-x游___（__卷） - Google 圖書結果
下面的代码演示了提供给Lua使用的add()方法是如何定义的。 int add_for_lua ( lua_State* L) { double a = lua_tonumber(L, 1); double b = lua_tonumber(L, ...
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#87Making a Game Demo: From Concept to Demo Gold
The programmer needs to retrieve the parameters, for example, by calling lua_tonumber with the correct index to retrieve the actual return value. 9.
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#88Programming Game AI by Example - 第 275 頁 - Google 圖書結果
... 2 ) ; int user score = ( int ) lua_tonumber ( PL , 3 ) ; int comp_score = ( int ) lua_tonumber ( PL , 4 ) ; // call the C ++ function proper ...
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#89Core Techniques and Algorithms in Game Programming
... xvalue " ) ; int i = lua_gettop ( ls ) ; x = lua_tonumber ( ls , i ) ; lua_getglobal ( ls , " yvalue " ) ; i = lua_gettop ( ls ) ; y = lua_tonumber ( ls ...
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#90Programming in Lua - 第 223 頁 - Google 圖書結果
In this case, lua_toboolean, lua_tonumber, lua_tointeger, and lua_objlen return zero; the other functions return NULL. The zero is not useful, ...
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#91關於lua的閉包（Closure）和Upvalue - 开发者知识库
upval1 = lua_tonumber(L, lua_upvalueindex(1)); /* 注意upvalue索引1,2是閉包依賴的，不會和其他的閉包中的索引沖突*/ upval2 = lua_tonumber(L ...
lua_tonumber 在 コバにゃんチャンネル Youtube 的最佳解答
lua_tonumber 在 大象中醫 Youtube 的最佳貼文
lua_tonumber 在 大象中醫 Youtube 的最佳解答