text: /*
  ** $Id: lvm.h,v 2.35 2015/02/20 14:27:53 roberto Exp $
  ** Lua virtual machine
  ** See Copyright Notice in lua.h
  */
  
  #ifndef lvm_h
  #define lvm_h
  
  
  #include "ldo.h"
  #include "lobject.h"
  #include "ltm.h"
  
  
  #if !defined(LUA_NOCVTN2S)
  #define cvt2str(o)	ttisnumber(o)
  #else
  #define cvt2str(o)	0	/* no conversion from numbers to strings */
  #endif
  
  
  #if !defined(LUA_NOCVTS2N)
  #define cvt2num(o)	ttisstring(o)
  #else
  #define cvt2num(o)	0	/* no conversion from strings to numbers */
  #endif
  
  
  /*
  ** You can define LUA_FLOORN2I if you want to convert floats to integers
  ** by flooring them (instead of raising an error if they are not
  ** integral values)
  */
  #if !defined(LUA_FLOORN2I)
  #define LUA_FLOORN2I		0
  #endif
  
  
  #define tonumber(o,n) \
  	(ttisfloat(o) ? (*(n) = fltvalue(o), 1) : luaV_tonumber_(o,n))
  
  #define tointeger(o,i) \
      (ttisinteger(o) ? (*(i) = ivalue(o), 1) : luaV_tointeger(o,i,LUA_FLOORN2I))
  
  #define intop(op,v1,v2) l_castU2S(l_castS2U(v1) op l_castS2U(v2))
  
  #define luaV_rawequalobj(t1,t2)		luaV_equalobj(NULL,t1,t2)
  
  
  LUAI_FUNC int luaV_equalobj (lua_State *L, const TValue *t1, const TValue *t2);
  LUAI_FUNC int luaV_lessthan (lua_State *L, const TValue *l, const TValue *r);
  LUAI_FUNC int luaV_lessequal (lua_State *L, const TValue *l, const TValue *r);
  LUAI_FUNC int luaV_tonumber_ (const TValue *obj, lua_Number *n);
  LUAI_FUNC int luaV_tointeger (const TValue *obj, lua_Integer *p, int mode);
  LUAI_FUNC void luaV_gettable (lua_State *L, const TValue *t, TValue *key,
                                              StkId val);
  LUAI_FUNC void luaV_settable (lua_State *L, const TValue *t, TValue *key,
                                              StkId val);
  LUAI_FUNC void luaV_finishOp (lua_State *L);
  LUAI_FUNC void luaV_execute (lua_State *L);
  LUAI_FUNC void luaV_concat (lua_State *L, int total);
  LUAI_FUNC lua_Integer luaV_div (lua_State *L, lua_Integer x, lua_Integer y);
  LUAI_FUNC lua_Integer luaV_mod (lua_State *L, lua_Integer x, lua_Integer y);
  LUAI_FUNC lua_Integer luaV_shiftl (lua_Integer x, lua_Integer y);
  LUAI_FUNC void luaV_objlen (lua_State *L, StkId ra, const TValue *rb);
  
  #endif
  