From 6eb00023fcc3ad77b98e51971f6e193ea506b9cc Mon Sep 17 00:00:00 2001 From: ducky Date: Wed, 21 Sep 2016 17:59:38 -0700 Subject: Improved scaladoc in utils and friends --- src/main/scala/chisel3/util/CircuitMath.scala | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) (limited to 'src/main/scala/chisel3/util/CircuitMath.scala') 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 -- cgit v1.2.3