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| author | azidar | 2015-08-20 14:19:02 -0700 |
|---|---|---|
| committer | azidar | 2015-08-20 14:19:26 -0700 |
| commit | 5bf451acbe03ecfd6407d7376cbb782ac0dd0f11 (patch) | |
| tree | dddff083fe2e733bec114b34aadae5070714bcc7 /src/main/stanza/ir-utils.stanza | |
| parent | 9175d99c622ca9b8c85ff733dbf9f0aa3ec8e266 (diff) | |
Added rsh to BigInt library. Const Prop now works on rsh's on constants. #19.
Diffstat (limited to 'src/main/stanza/ir-utils.stanza')
| -rw-r--r-- | src/main/stanza/ir-utils.stanza | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/main/stanza/ir-utils.stanza b/src/main/stanza/ir-utils.stanza index 25006659..8f260e8c 100644 --- a/src/main/stanza/ir-utils.stanza +++ b/src/main/stanza/ir-utils.stanza @@ -128,7 +128,10 @@ public defn to-int (x:Long) -> Int : else : to-int(to-string(x)) public defn req-num-bits (i: Int) -> Int : - max(1, ceil-log2(i + 1)) + val i* = + if i < 0 : ((-1 * i) - 1) + else : i + ceil-log2(i* + 1) + 1 ;============== PRINTERS =================================== |