Merge branch 'release/release-1.2'

[reservoir_sample] / randomness.h

diff --git a/randomness.h b/randomness.h
new file mode 100644 (file)
index 0000000..24d7653
--- /dev/null
+++ b/randomness.h
@@ -0,0 +1,19 @@
+#ifndef RANDOMNESS_H_4LC721CM
+#define RANDOMNESS_H_4LC721CM
+
+/*
+       Wrapper for wrangling random values.
+*/
+
+/*     rand_init
+       Prepare to read randomness from #filename.
+       If filename is NULL, use system pseudorandom generator.
+*/
+int randomness_init(const char *filename);
+
+/*     randomness_upto_inclusive
+       Return a random number from zero up through #limit.
+*/
+unsigned long randomness_upto_inclusive(unsigned long limit);
+
+#endif /* RANDOMNESS_H_4LC721CM */