jyapayne/Nim
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

NaN fixes for clang backend (#9652)

Browse source
This commit is contained in:
Arne Döring 2018-11-08 20:17:37 +01:00 • committed by GitHub
commit 6a57ec6d2e
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
2 changed files with 4 additions and 9 deletions
Download patch file Download diff file Expand all files Collapse all files

7
compiler/semfold.nim
View file

@ -267,12 +267,7 @@ proc evalOp(m: TMagic, n, a, b, c: PNode; g: ModuleGraph): PNode =
of mSubF64: result = newFloatNodeT(getFloat(a) - getFloat(b), n, g)
of mMulF64: result = newFloatNodeT(getFloat(a) * getFloat(b), n, g)
of mDivF64:
if getFloat(b) == 0.0:
if getFloat(a) == 0.0: result = newFloatNodeT(NaN, n, g)
elif getFloat(b).classify == fcNegZero: result = newFloatNodeT(-Inf, n, g)
else: result = newFloatNodeT(Inf, n, g)
else:
result = newFloatNodeT(getFloat(a) / getFloat(b), n, g)
result = newFloatNodeT(getFloat(a) / getFloat(b), n, g)
of mMaxF64:
if getFloat(a) > getFloat(b): result = newFloatNodeT(getFloat(a), n, g)
else: result = newFloatNodeT(getFloat(b), n, g)