[Issue 20203] New: Make std.math.copysign work in CTFE

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=20203

          Issue ID: 20203
           Summary: Make std.math.copysign work in CTFE
           Product: D
           Version: D2
          Hardware: All
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P1
         Component: phobos
          Assignee: nobody at puremagic.com
          Reporter: n8sh.secondary at hotmail.com

This is a subissue of Issue #17007.

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