bugfix #1356577, changed double=>lua_number in a few places.

added the std::pair wrapping


git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@8672 626c5289-ae23-0410-ae9c-e8d60b6d4f22

SWIG/Examples/test-suite/lua/li_std_pair_runme.lua

@@ -0,0 +1,34 @@
+require("import")	-- the import fn
+import("li_std_pair")	-- import code
+
+for k,v in pairs(li_std_pair) do _G[k]=v end -- move to global
+
+intPair = makeIntPair(7, 6)
+assert(intPair.first==7 and intPair.second==6)
+
+intPairPtr = makeIntPairPtr(7, 6)
+assert(intPairPtr.first==7 and intPairPtr.second==6)
+
+intPairRef = makeIntPairRef(7, 6)
+assert(intPairRef.first == 7 and intPairRef.second == 6)
+
+intPairConstRef = makeIntPairConstRef(7, 6)
+assert(intPairConstRef.first == 7 and intPairConstRef.second == 6)
+
+-- call fns
+assert(product1(intPair) == 42)
+assert(product2(intPair) == 42)
+assert(product3(intPair) == 42)
+
+-- also use the pointer version
+assert(product1(intPairPtr) == 42)
+assert(product2(intPairPtr) == 42)
+assert(product3(intPairPtr) == 42)
+
+-- or the other types
+assert(product1(intPairRef) == 42)
+assert(product2(intPairRef) == 42)
+assert(product3(intPairRef) == 42)
+assert(product1(intPairConstRef) == 42)
+assert(product2(intPairConstRef) == 42)
+assert(product3(intPairConstRef) == 42)