diff options
| author | Jim Lawson | 2016-06-20 11:08:46 -0700 |
|---|---|---|
| committer | Jim Lawson | 2016-06-20 11:08:46 -0700 |
| commit | d408d73a171535bd7c2ba9d0037c194022b8a62f (patch) | |
| tree | 81885a99ec56e89532bc3fa338f22b163dcc4d1f /src/main/scala/chisel/util/CircuitMath.scala | |
| parent | b5a534914795d9d17f4dfe623525f1b804e4c60f (diff) | |
Rename chisel3 package.
Diffstat (limited to 'src/main/scala/chisel/util/CircuitMath.scala')
| -rw-r--r-- | src/main/scala/chisel/util/CircuitMath.scala | 28 |
1 files changed, 0 insertions, 28 deletions
diff --git a/src/main/scala/chisel/util/CircuitMath.scala b/src/main/scala/chisel/util/CircuitMath.scala deleted file mode 100644 index c3b94fdb..00000000 --- a/src/main/scala/chisel/util/CircuitMath.scala +++ /dev/null @@ -1,28 +0,0 @@ -// See LICENSE for license details. - -/** Circuit-land math operations. - */ - -package chisel.util - -import chisel._ - -/** 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 - * @example - * {{{ data_out := Log2(data_in) }}} - * @note Truncation is used so Log2(UInt(12412)) = 13*/ -object Log2 { - /** Compute the Log2 on the least significant n bits of x */ - def apply(x: Bits, width: Int): UInt = { - if (width < 2) { - UInt(0) - } else if (width == 2) { - x(1) - } else { - Mux(x(width-1), UInt(width-1), apply(x, width-1)) - } - } - - def apply(x: Bits): UInt = apply(x, x.getWidth) -} |
