http://bugzilla.gdcproject.org/show_bug.cgi?id=159
Bug ID: 159
Summary: Correctly handle excess FPU precision
Product: GDC
Version: development
Hardware: All
OS: All
Status: NEW
Severity: normal
Priority: Normal
Component: gdc
Assignee: ibuc...@gdcproject.org
Reporter: ibuc...@gdcproject.org
Taken from:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=323
---
import std.stdio;
void test(double x, double y)
{
double y2 = x + 1.0;
if (y != y2)
writeln("error");
}
void main()
{
immutable double x = .012; // Remove 'immutable', and 'error' is not
printed.
double y = x + 1.0;
test(x, y);
}
---
This is a GCC bug with a front-end fix. It may be a good idea to conform to
this behaviour in D (GDC) too. If not at least because the reference compiler
doesn't appear to optimise aggressively enough to get this problem.
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