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* gallivm: Updated lp_build_log2_approx to use a more accurate polynomial.James Benton2012-04-051-4/+4
| | | | | | | Tested with lp_test_arit with 100% passes and piglit tests with 100% pass for log but some tests still fail for pow. Signed-off-by: José Fonseca <[email protected]>
* gallivm: Simplify/reorder minimax helper.José Fonseca2012-04-031-10/+15
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* gallivm: Update minimax comments.José Fonseca2011-07-221-6/+17
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* gallivm: Import the code to compute the minimax polynomials.José Fonseca2010-05-081-0/+85
It's quite a pain to remember the details after a while, and it is quite likely we'll want to use this again, either for different polynomial orders or different functions, so commit it here.