https://issues.dlang.org/show_bug.cgi?id=20147

          Issue ID: 20147
           Summary: Enable comparison (==, >, >=, <=, <) between
                    std.bigint.BigInt and floating point numbers
           Product: D
           Version: D2
          Hardware: All
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P1
         Component: phobos
          Assignee: nobody@puremagic.com
          Reporter: n8sh.secondary@hotmail.com

Currently opCmp and opEquals only accept built-in integer types.

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