From 09e95c484e145e2a1b2f0a1aacf549c7354a1eca Mon Sep 17 00:00:00 2001
From: Andrew Waterman
Date: Fri, 24 Feb 2017 00:34:04 -0800
Subject: Move log2Up and log2Down to compatibility wrapper

---
 src/main/scala/chisel3/util/Math.scala | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

(limited to 'src/main/scala/chisel3/util')

diff --git a/src/main/scala/chisel3/util/Math.scala b/src/main/scala/chisel3/util/Math.scala
index 73665f0f..cf75e756 100644
--- a/src/main/scala/chisel3/util/Math.scala
+++ b/src/main/scala/chisel3/util/Math.scala
@@ -8,12 +8,9 @@ package chisel3.util
 import chisel3._
 
 /** Compute the log2 rounded up with min value of 1 */
+@deprecated("Use log2Ceil instead", "chisel3")
 object log2Up {
-  def apply(in: BigInt): Int = {
-    require(in >= 0)
-    1 max (in-1).bitLength
-  }
-  def apply(in: Int): Int = apply(BigInt(in))
+  def apply(in: BigInt): Int = Chisel.log2Up(in)
 }
 
 /** Compute the log2 rounded up */
@@ -26,9 +23,9 @@ object log2Ceil {
 }
 
 /** Compute the log2 rounded down with min value of 1 */
+@deprecated("Use log2Floor instead", "chisel3")
 object log2Down {
-  def apply(in: BigInt): Int = log2Up(in) - (if (isPow2(in)) 0 else 1)
-  def apply(in: Int): Int = apply(BigInt(in))
+  def apply(in: BigInt): Int = Chisel.log2Down(in)
 }
 
 /** Compute the log2 rounded down */
-- 
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