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authorAndrew Waterman2016-07-06 23:01:42 -0700
committerAndrew Waterman2016-07-07 00:37:01 -0700
commitbae5cbbbf64782ffe7a5a06981d94655bfc76089 (patch)
treeb0a43ebcfa493e8e15d28f60644989ccf6c73475 /src/main/scala
parentfb39f7dc372b5836f02d8d7964f5fcc6a38f8747 (diff)
Correct erroneous Log2 documentation
Diffstat (limited to 'src/main/scala')
-rw-r--r--src/main/scala/chisel3/util/CircuitMath.scala6
1 files changed, 3 insertions, 3 deletions
diff --git a/src/main/scala/chisel3/util/CircuitMath.scala b/src/main/scala/chisel3/util/CircuitMath.scala
index 1174c71c..b5be03bf 100644
--- a/src/main/scala/chisel3/util/CircuitMath.scala
+++ b/src/main/scala/chisel3/util/CircuitMath.scala
@@ -7,11 +7,11 @@ package chisel3.util
import chisel3._
-/** Compute Log2 with truncation of a UInt in hardware using a Mux Tree
- * An alternative interpretation is it computes the minimum number of bits needed to represent x
+/** Compute the base-2 integer logarithm of a UInt
* @example
* {{{ data_out := Log2(data_in) }}}
- * @note Truncation is used so Log2(UInt(12412)) = 13*/
+ * @note The result is truncated, so e.g. Log2(UInt(13)) = 3
+ */
object Log2 {
/** Compute the Log2 on the least significant n bits of x */
def apply(x: Bits, width: Int): UInt = {