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A comment on Floating point oddity. Parent comment

Re:Floating point oddity by tlb on Monday November 11, 2019 @10:24PM (#21511272)
Oops, you're right. https://godbolt.org/z/pAwqUA shows it better. Adding a -0 and +0 together in either order gives +0, using the actual x86-64 addsd instruction.
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