o add bsnes

bsnes/lib/nall/algorithm.hpp

@@ -0,0 +1,23 @@
+#ifndef NALL_ALGORITHM_HPP
+#define NALL_ALGORITHM_HPP
+
+#undef min
+#undef max
+
+namespace nall {
+  template<typename T, typename U> T min(const T& t, const U& u) {
+    return t < u ? t : u;
+  }
+
+  template<typename T, typename U> T max(const T& t, const U& u) {
+    return t > u ? t : u;
+  }
+
+  //pseudo-random number generator
+  inline unsigned prng() {
+    static unsigned n = 0;
+    return n = (n >> 1) ^ (((n & 1) - 1) & 0xedb88320);
+  }
+}
+
+#endif