diff --git a/Buddhabrot/Buddhabrot.cpp b/Buddhabrot/Buddhabrot.cpp
index bd80c52..eac456e 100644
--- a/Buddhabrot/Buddhabrot.cpp
+++ b/Buddhabrot/Buddhabrot.cpp
@@ -18,7 +18,7 @@ void buddhabrot::render(
 	nsum = 0;
 
 	int i, j, n, ix, iy;
-	double x, y, x0, y0, xnew, ynew;
+	number x, y, x0, y0, xnew, ynew;
 
 	// Coordinates sequence
 	std::vector<point> xyseq(nmax);
@@ -31,13 +31,13 @@ void buddhabrot::render(
 
 	std::vector<color> ct(nmax);
 	color* ctp = ct.data();
-	for (int i = 0; i < ct.size(); i++) {
-		ctp[i] = hue((double)i / nmax);
+	for (size_t i = 0; i < ct.size(); i++) {
+		ctp[i] = hue((number)i / nmax);
 	}
 
 	// Make unique random sequence
 	std::mt19937_64 prng(std::chrono::high_resolution_clock::now().time_since_epoch().count() + quote);
-	std::uniform_real_distribution<double> distribution(0.0, 1.0);
+	std::uniform_real_distribution<number> distribution(0.0, 1.0);
 
 	// Iterate
 	int i1 = quote * frames / pool, i2 = (quote + 1) * frames / pool;
diff --git a/Buddhabrot/param.cpp b/Buddhabrot/param.cpp
index 0961266..88566d1 100644
--- a/Buddhabrot/param.cpp
+++ b/Buddhabrot/param.cpp
@@ -157,7 +157,7 @@ int __cdecl wmain(int argc, wchar_t *argv[]) {
 	number dur = g.rendermt(pool, img, color::rainbow, true);
 	std::wcout << L"\r" << dur << L"s            " << std::endl;
 	std::wcout << L"discard points: " << (100. * buddhabrot::numdiscard / frames) << L"%" << std::endl;
-	std::wcout << L"average bailout: " << ((double)buddhabrot::nsum / (frames - buddhabrot::numdiscard)) << std::endl;
+	std::wcout << L"average bailout: " << ((number)buddhabrot::nsum / (frames - buddhabrot::numdiscard)) << std::endl;
 	std::wcout << L"total iterations: " << (buddhabrot::nsum / 1e6) << L"M" << std::endl;
 
 	// Save image
diff --git a/Clifford/script.vcxproj b/Clifford/script.vcxproj
index 7d00ca5..53cc125 100644
--- a/Clifford/script.vcxproj
+++ b/Clifford/script.vcxproj
@@ -128,6 +128,7 @@
       <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
       <EnableEnhancedInstructionSet>StreamingSIMDExtensions2</EnableEnhancedInstructionSet>
       <FloatingPointModel>Fast</FloatingPointModel>
+      <CallingConvention>FastCall</CallingConvention>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
@@ -151,6 +152,7 @@
       <FloatingPointModel>Fast</FloatingPointModel>
       <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
       <OmitFramePointers>true</OmitFramePointers>
+      <CallingConvention>FastCall</CallingConvention>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
diff --git a/luaattractors.cpp b/luaattractors.cpp
index a07638b..779aa9b 100644
--- a/luaattractors.cpp
+++ b/luaattractors.cpp
@@ -234,7 +234,7 @@ LUNA_DECLEX(luaimage, clear) {
 
 LUNA_DECLEX(luaimage, writetga) {
 	auto filename = luaL_checkwstr(L, 1);
-	auto sensitivity = (double)luaL_optnumber(L, 2, 0.02);
+	auto sensitivity = (number)luaL_optnumber(L, 2, 0.02);
 	writetga(filename.c_str(), sensitivity);
 	return 0;
 }