(Free42) roundoff for complex SQRT

04042018, 07:25 AM
Post: #7




RE: (Free42) roundoff for complex SQRT
If I'm going to check for Re(X)=0, cases where Im(X)/2 is a perfect square should return exact results, or at least no worse than SQRT for real arguments.
That 48G code doesn't check for purereal or pureimaginary arguments, but Free42 uses such checks in lots of places, for various reasons, so it doesn't bother me to add one to complex SQRT as well. 

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