diff options
| author | ducky | 2016-05-20 18:09:57 -0700 |
|---|---|---|
| committer | ducky | 2016-06-08 16:22:27 -0700 |
| commit | f36524e388b060b1bb535ae21cb1bcbbea220be9 (patch) | |
| tree | a32772f816f18b14002948964917be0cb8280c48 /src/main/scala/Chisel/util/Math.scala | |
| parent | 53813f61b7dfe246d214ab966739d01c65c8ecb0 (diff) | |
Rename packages to lowercase chisel, add compatibility layer
Diffstat (limited to 'src/main/scala/Chisel/util/Math.scala')
| -rw-r--r-- | src/main/scala/Chisel/util/Math.scala | 42 |
1 files changed, 0 insertions, 42 deletions
diff --git a/src/main/scala/Chisel/util/Math.scala b/src/main/scala/Chisel/util/Math.scala deleted file mode 100644 index 5f8212d8..00000000 --- a/src/main/scala/Chisel/util/Math.scala +++ /dev/null @@ -1,42 +0,0 @@ -// See LICENSE for license details. - -/** Scala-land math helper functions, like logs. - */ - -package Chisel - -/** Compute the log2 rounded up with min value of 1 */ -object log2Up { - def apply(in: BigInt): Int = { - require(in >= 0) - 1 max (in-1).bitLength - } - def apply(in: Int): Int = apply(BigInt(in)) -} - -/** Compute the log2 rounded up */ -object log2Ceil { - def apply(in: BigInt): Int = { - require(in > 0) - (in-1).bitLength - } - def apply(in: Int): Int = apply(BigInt(in)) -} - -/** Compute the log2 rounded down with min value of 1 */ -object log2Down { - def apply(in: BigInt): Int = log2Up(in) - (if (isPow2(in)) 0 else 1) - def apply(in: Int): Int = apply(BigInt(in)) -} - -/** Compute the log2 rounded down */ -object log2Floor { - def apply(in: BigInt): Int = log2Ceil(in) - (if (isPow2(in)) 0 else 1) - def apply(in: Int): Int = apply(BigInt(in)) -} - -/** Check if an Integer is a power of 2 */ -object isPow2 { - def apply(in: BigInt): Boolean = in > 0 && ((in & (in-1)) == 0) - def apply(in: Int): Boolean = apply(BigInt(in)) -} |
