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authorJim Lawson2016-10-06 08:57:10 -0700
committerJim Lawson2016-10-06 08:57:10 -0700
commit82625071405672eb4a19363d6f73f359ac28a7f5 (patch)
treedee5beff0e7333fa86c1cdcdb79c0d111114b8c9 /src/main/scala/Chisel/util/Math.scala
parentb7c6e0d1a2098b545938a5a8dfce2b1d9294532f (diff)
parent7de30c2b893a3f24d43f2e131557430eb64f6bc8 (diff)
Merge branch 'master' into tobits-deprecation
Diffstat (limited to 'src/main/scala/Chisel/util/Math.scala')
-rw-r--r--src/main/scala/Chisel/util/Math.scala42
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))
-}