Merge pull request #291 from ucb-bar/utilscaladocs

Scaladocs for utils

1 files changed, 8 insertions, 6 deletions

diff --git a/src/main/scala/chisel3/util/CircuitMath.scala b/src/main/scala/chisel3/util/CircuitMath.scala
index a64447d9..d478e10e 100644
--- a/src/main/scala/chisel3/util/CircuitMath.scala
+++ b/src/main/scala/chisel3/util/CircuitMath.scala
@@ -7,13 +7,11 @@ package chisel3.util
 
 import chisel3._
 
-/** Compute the base-2 integer logarithm of a UInt
-  * @example
-  * {{{ data_out := Log2(data_in) }}}
-  * @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 */
+  /** Returns the base-2 integer logarithm of the least-significant `width` bits of an UInt.
+    *
+    * @note The result is truncated, so e.g. Log2(UInt(13)) === UInt(3)
+    */
   def apply(x: Bits, width: Int): UInt = {
     if (width < 2) {
       UInt(0)
@@ -30,6 +28,10 @@ object Log2 {
     }
   }
 
+  /** Returns the base-2 integer logarithm of an UInt.
+    *
+    * @note The result is truncated, so e.g. Log2(UInt(13)) === UInt(3)
+    */
   def apply(x: Bits): UInt = apply(x, x.getWidth)
 
   private def divideAndConquerThreshold = 4