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cmucl / cmucl
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Raymond Toy
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code/irrat-dd.lisp o Make REDUCE-ARG return an extra result. Since the reduction returns 3 double's, return a double-double result and the third double result for extra accuracy o Update dd-%tan and dd-%%tan to take the extra arg. o Add new constant dd-pi/4-lo. o Increase accuracy of tan by using the relationship tan(pi/4-y)=(1-tan(y))/(1+tan(y)). tests/trig.lisp: o Update the allowed error threshold for two tests to reflect the increased accuracy.
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