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* Improve accuracy of NR-based fp_sqrt with better initial estimation and ↵Michael Sevakis2010-06-08
| | | | | | using one more bit internally. More reliable early termination. Good enough until better method is completed. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@26681 a1c6a512-1295-4272-9138-f99709370657
* FFT Plugin: Revamp the main code to rid it of 64-bit math. Use 32-bit ↵Michael Sevakis2010-06-02
| | | | | | kiss_fft_scalar because 16-bit integers are generally a poor choice for computation on-target. Simplify display code to speed it up. Add logarithmic frequency display (need keymappings, guessed on some). On dual-core, perform FFT on COP. Add some support function to fixedpoint.c. ... and stuff. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@26470 a1c6a512-1295-4272-9138-f99709370657
* * FS#10411 - Fixed point math code is bloated by Jeffrey GoodeMaurus Cuelenaere2009-07-07
| | | | | | | * Set svn:keywords properties git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21701 a1c6a512-1295-4272-9138-f99709370657
* Take 2 at 'Consolidate all fixed point math routines in one library' ↵Maurus Cuelenaere2009-07-05
| | | | | | (FS#10400) by Jeffrey Goode git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21664 a1c6a512-1295-4272-9138-f99709370657
* Revert "Consolidate all fixed point math routines in one library (FS#10400) ↵Maurus Cuelenaere2009-07-04
| | | | | | by Jeffrey Goode" git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21635 a1c6a512-1295-4272-9138-f99709370657
* Set svn:keywords propertyMaurus Cuelenaere2009-07-04
| | | | git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21634 a1c6a512-1295-4272-9138-f99709370657
* Consolidate all fixed point math routines in one library (FS#10400) by ↵Maurus Cuelenaere2009-07-04
Jeffrey Goode git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21633 a1c6a512-1295-4272-9138-f99709370657