diff options
Diffstat (limited to 'src/main/scala/chisel3/util/Math.scala')
| -rw-r--r-- | src/main/scala/chisel3/util/Math.scala | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/src/main/scala/chisel3/util/Math.scala b/src/main/scala/chisel3/util/Math.scala index 73665f0f..cf75e756 100644 --- a/src/main/scala/chisel3/util/Math.scala +++ b/src/main/scala/chisel3/util/Math.scala @@ -8,12 +8,9 @@ package chisel3.util import chisel3._ /** Compute the log2 rounded up with min value of 1 */ +@deprecated("Use log2Ceil instead", "chisel3") object log2Up { - def apply(in: BigInt): Int = { - require(in >= 0) - 1 max (in-1).bitLength - } - def apply(in: Int): Int = apply(BigInt(in)) + def apply(in: BigInt): Int = Chisel.log2Up(in) } /** Compute the log2 rounded up */ @@ -26,9 +23,9 @@ object log2Ceil { } /** Compute the log2 rounded down with min value of 1 */ +@deprecated("Use log2Floor instead", "chisel3") object log2Down { - def apply(in: BigInt): Int = log2Up(in) - (if (isPow2(in)) 0 else 1) - def apply(in: Int): Int = apply(BigInt(in)) + def apply(in: BigInt): Int = Chisel.log2Down(in) } /** Compute the log2 rounded down */ |