fix bigfloat itrunc error

backport of 9ce91ff, ref #9138
JuliaLang · Dec 2, 2014 · d7c9518 · d7c9518
1 parent 6fe7d7a
commit d7c9518
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Showing 3 changed files with 131 additions and 131 deletions.
diff --git a/base/mpfr.jl b/base/mpfr.jl
@@ -638,7 +638,7 @@ end
 
 function itrunc(x::BigFloat)
     z = BigInt()
-    ccall((:mpfr_get_z, :libmpfr), Int32, (Ptr{BigInt}, Ptr{BigFloat}, Int32), &z, &x, 0)
+    ccall((:mpfr_get_z, :libmpfr), Int32, (Ptr{BigInt}, Ptr{BigFloat}, Int32), &z, &x, to_mpfr(RoundToZero))
     return z
 end