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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) -} |
