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Diffstat (limited to 'src/main')
| -rw-r--r-- | src/main/scala/chisel3/util/CircuitMath.scala | 6 |
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 = { |