Add sample/check-output.cpp for output verification

Author: JkarVN

sample/CMakeLists.txt

@@ -1,4 +1,4 @@
-set(SAMPLE_TARGETS basic_usage pcg-demo codebook cppref-sample make-partytrick)
+set(SAMPLE_TARGETS basic_usage pcg-demo codebook cppref-sample make-partytrick check-output)
 
 foreach(sample ${SAMPLE_TARGETS})
     add_executable(${sample} ${sample}.cpp)

sample/check-output.cpp

@@ -0,0 +1,12 @@
+#include <iostream>
+#include <iomanip>
+#include "pcg_random.hpp"
+
+int main() {
+    pcg32 rng(42u); // Seed with 42
+    std::cout << "First 10 random numbers from pcg32(42):" << std::endl;
+    for(int i=0; i<10; ++i) {
+        std::cout << std::setw(12) << rng() << ((i+1)%5 == 0 ? "\n" : " ");
+    }
+    return 0;
+}