merge

+#include "channel.h"
+void Cchannel::AWGN() {
+	std::default_random_engine generator;
+	std::normal_distribution<double> distribution(0.0, No);
+
+	int NN = Nbits / Nbitspersymbol * Nsamplespersymbol;
+	for (int i = 0; i < NN; i++) {
+		r[i] = s[i] + distribution(generator);
+	}
+}
\ No newline at end of file

@@ -110,7 +110,9 @@
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>
+    <ClCompile Include="channel.cpp" />
     <ClCompile Include="constellation_main.cpp" />
+    <ClCompile Include="evaluate.cpp" />
     <ClCompile Include="myMatrix.cpp" />
     <ClCompile Include="receiver.cpp" />
   </ItemGroup>

@@ -21,7 +21,14 @@
     <ClCompile Include="myMatrix.cpp">
       <Filter>소스 파일</Filter>
     </ClCompile>
+
     <ClCompile Include="receiver.cpp">
+
+    <ClCompile Include="channel.cpp">
+      <Filter>소스 파일</Filter>
+    </ClCompile>
+    <ClCompile Include="evaluate.cpp">
+
       <Filter>소스 파일</Filter>
     </ClCompile>
   </ItemGroup>
@@ -45,4 +52,4 @@
       <Filter>헤더 파일</Filter>
     </ClInclude>
   </ItemGroup>
-</Project>
\ No newline at end of file
+</Project>

+#include "evaluate.h"
+void Cevaluate::evaluate() {
+	float errors = 0;
+	for (int i = 0; i < Nbits; i++) if (Data[i] != DecodedData[i]) errors += 1;
+	BER = errors / Nbits;
+}
\ No newline at end of file