level2 compiles, nothing visible yet

1 files changed, 32 insertions, 0 deletions

diff --git a/starts/meaning-vm/level-2/sugar.cpp b/starts/meaning-vm/level-2/sugar.cpp
new file mode 100644
index 0000000..2a86cca
--- /dev/null
+++ b/starts/meaning-vm/level-2/sugar.cpp
@@ -0,0 +1,32 @@
+#include "sugar.hpp"
+
+#include <stdlib.h> // int rand(); void srand(int seed);
+#include <time.h> // int time(0); int clock_gettime(CLOCK_REALTIME, struct timespec *tp{tv_sec,tv_nsec})
+#include <unistd.h> // usleep(unsigned int usecs)
+
+namespace intellect {
+namespace level2 {
+namespace sugar {
+
+double rand(double min, double max)
+{
+	// seed random number generator statically, for habit delay
+	static struct timespec tp;
+	static int seed = (
+			clock_gettime(CLOCK_REALTIME, &tp),
+			srand(tp.tv_nsec),
+			tp.tv_nsec
+	);
+	(void)(seed);
+
+	return double(::rand()) / RAND_MAX * (max - min) + min;
+}
+
+void usleep(unsigned int usecs)
+{
+	::usleep(usecs);
+}
+
+}
+}
+}