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ruanhaishen
Nodemcu Firmware
Commits
ca92cfd3
Commit
ca92cfd3
authored
Jan 15, 2019
by
Javier Peletier
Committed by
Marcel Stör
Jan 15, 2019
Browse files
fix number2integer conversion for floating-point builds (#2605)
parent
1adbc791
Changes
1
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components/lua/luaconf.h
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ca92cfd3
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@@ -702,8 +702,18 @@ union luai_Cast { double l_d; long l_l; };
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@@ -702,8 +702,18 @@ union luai_Cast { double l_d; long l_l; };
/* this option always works, but may be slow */
/* this option always works, but may be slow */
#else
#else
#define lua_number2int(i,d) ((i)=(int)(d))
#define lua_number2integer(i,d) ((i)=(lua_Integer)(d))
#ifdef LUA_NUMBER_INTEGRAL
#define lua_number2int(i, d) ((i) = (int)(d))
#define lua_number2integer(i, d) ((i) = (lua_Integer)(d))
#else // for floating-point builds, cast to a larger integer first to avoid undefined behavior on overflows.
#define lua_number2int(i, d) ((i) = (int)(long long)(d))
#define lua_number2integer(i, d) ((i) = (lua_Integer)(long long)(d))
#endif // LUA_NUMBER_INTEGRAL
#endif
#endif
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