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path: root/libcelt/mathops.h
AgeCommit message (Expand)Author
2009-10-31celt_ilog2() is only used in fixed-point modeJean-Marc Valin
2009-10-31Expose the normalized range for reciprocal square roots in fixed-point mode. ...Timothy Terriberry
2009-10-22Enhancements the fixed-point approximations of non-linear functions.Timothy B. Terriberry
2009-10-20Accuracy improvements to the fixed-point celt_rsqrt().Timothy B. Terriberry
2009-10-18Removed the _t from all the celt*_t types to avoid clashing with POSIXJean-Marc Valin
2009-10-18Updated copyright noticesJean-Marc Valin
2009-10-17Changed all the celt*int*_t types to remove the _t suffix, which is reservedJean-Marc Valin
2009-07-05removed useless commentsJean-Marc Valin
2009-06-29Additional mathops.h tests.Gregory Maxwell
2009-06-16Minor stuff: preventing float underflow in celt_exp2(), preventing the use ofJean-Marc Valin
2009-06-14float approximations for log2() and exp2()Jean-Marc Valin
2009-06-07This simplifies the energy quantisation by converting to the log2() scaleJean-Marc Valin
2009-03-27Squashed commit of the following:Jean-Marc Valin
2008-08-29Fixed a bunch of fixed-point overflows on insanely hot signals by changingJean-Marc Valin
2008-04-16optimisation: Making it clear to the compiler that many of the loops in cwrsJean-Marc Valin
2008-04-15optimisation: simplified the "full gain" case of alg_quant() to remove someJean-Marc Valin
2008-03-27Trying to clean up celt_ilog2() vs. EC_ILOG a bit.Jean-Marc Valin
2008-03-26optimisation: defined a reciprocal square root (celt_rsqrt) for use inJean-Marc Valin
2008-03-25oops. find_max32() now uses VERY_LARGE32 (instead of VERY_LARGE16)Jean-Marc Valin
2008-03-25optimisations: Another bunch of simplifications to alg_quant(), mainly toJean-Marc Valin
2008-03-25optimisations: caching sign of x in alg_quant(), changed celt_div()/celt_rcp()Jean-Marc Valin
2008-03-23defined find_max16 and overrode it for C55xJean-Marc Valin
2008-03-22No longer trying to save bits when encoding integers near the upper limitJean-Marc Valin
2008-03-22fixed-point: added cheap celt_div() division using a reciprocalJean-Marc Valin
2008-03-21fixed-point: defined celt_maxabs16() as basic operatorJean-Marc Valin
2008-03-21fixed-point: using TI intrinsic for celt_ilog2() if available.Jean-Marc Valin
2008-03-15Some work on assertions.Jean-Marc Valin
2008-03-14fixed-point: playing it safe. SHL32() now automatically casts input to 32-bitJean-Marc Valin
2008-03-13fixed-point: simplifying the arithmetic in alg_quant()Jean-Marc Valin
2008-03-12More accurate sqrt approximation using MULT16_16_Q15() instead of Q14.Jean-Marc Valin
2008-03-12Increased accuracy of the reciprocal approximation and made it useJean-Marc Valin
2008-03-12Defined the celt_rcp() reciprocal approximationJean-Marc Valin
2008-02-28fixed-point: copied the exp2 implementation from Speex, using it for dB2Amp()Jean-Marc Valin
2008-02-28fixed-point: log approximationJean-Marc Valin
2008-02-27fixed-point: Moved sqrt and cos approximations to mathops.hJean-Marc Valin
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