From d884099e0db8b4510847ec106b59ef7dca3c245b Mon Sep 17 00:00:00 2001
From: Kenneth Heafield <github@kheafield.com>
Date: Fri, 18 Jan 2013 17:12:51 +0000
Subject: KenLM dffafbf with lmplz source (but not built)

---
 klm/lm/builder/discount.hh | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 klm/lm/builder/discount.hh

(limited to 'klm/lm/builder/discount.hh')

diff --git a/klm/lm/builder/discount.hh b/klm/lm/builder/discount.hh
new file mode 100644
index 00000000..754fb20d
--- /dev/null
+++ b/klm/lm/builder/discount.hh
@@ -0,0 +1,26 @@
+#ifndef BUILDER_DISCOUNT__
+#define BUILDER_DISCOUNT__
+
+#include <algorithm>
+
+#include <inttypes.h>
+
+namespace lm {
+namespace builder {
+
+struct Discount {
+  float amount[4];
+
+  float Get(uint64_t count) const {
+    return amount[std::min<uint64_t>(count, 3)];
+  }
+
+  float Apply(uint64_t count) const {
+    return static_cast<float>(count) - Get(count);
+  }
+};
+
+} // namespace builder
+} // namespace lm
+
+#endif // BUILDER_DISCOUNT__
-- 
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