1 files changed, 10 insertions, 0 deletions
diff --git a/rtl/modular/modular_invertor/modinv_clog2.v b/rtl/modular/modular_invertor/modinv_clog2.v
new file mode 100644
index 0000000..2f7b64d
--- /dev/null
+++ b/rtl/modular/modular_invertor/modinv_clog2.v
@@ -0,0 +1,10 @@
+function	integer clog2;
+	input	integer value;
+			integer result;
+	begin
+		value = value - 1;
+		for (result = 0; value > 0; result = result + 1)
+			value = value >> 1;
+		clog2 = result;
+	end
+endfunction