Improved AstNode::realAsConst for large numbers

diff --git a/frontends/ast/ast.cc b/frontends/ast/ast.cc
index cc7f442bb9c0e36b12064f991fa5df2dbe734ccd..967111d306333ffa760352d2f9fb38cd3847d4f5 100644 (file)
--- a/frontends/ast/ast.cc
+++ b/frontends/ast/ast.cc
@@ -808,7 +808,7 @@ RTLIL::Const AstNode::realAsConst(int width)
                if (is_negative)
                        v *= -1;
                for (int i = 0; i < width; i++, v /= 2)
-                       result.bits.push_back((int(v) & 1) ? RTLIL::State::S1 : RTLIL::State::S0);
+                       result.bits.push_back((fmod(floor(v), 2) != 0) ? RTLIL::State::S1 : RTLIL::State::S0);
                if (is_negative)
                        result = const_neg(result, result, false, false, result.bits.size());
        }