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| author | Kevin Ferrare <kevin@rockbox.org> | 2008-01-22 08:02:31 +0000 |
|---|---|---|
| committer | Kevin Ferrare <kevin@rockbox.org> | 2008-01-22 08:02:31 +0000 |
| commit | eb93be2dd9fdca99ffae450e0630045ece449a2f (patch) | |
| tree | 713c96efcdedfe54b7876d483de2c91e14b84d81 /apps/plugins/lib/fixedpoint.h | |
| parent | 7da7e7bdd2d88cefe09f8c9953df076875750c25 (diff) | |
| download | rockbox-eb93be2dd9fdca99ffae450e0630045ece449a2f.zip rockbox-eb93be2dd9fdca99ffae450e0630045ece449a2f.tar.gz rockbox-eb93be2dd9fdca99ffae450e0630045ece449a2f.tar.bz2 rockbox-eb93be2dd9fdca99ffae450e0630045ece449a2f.tar.xz | |
Fire plugin : initializes palettes with a function instead of storing them in static arrays, changed the color LCD's palette to make it look nicer, switched the button API to the action API, reorganized code a little bit
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@16138 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'apps/plugins/lib/fixedpoint.h')
| -rw-r--r-- | apps/plugins/lib/fixedpoint.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/apps/plugins/lib/fixedpoint.h b/apps/plugins/lib/fixedpoint.h index 7199157..a9650e7 100644 --- a/apps/plugins/lib/fixedpoint.h +++ b/apps/plugins/lib/fixedpoint.h @@ -24,3 +24,11 @@ long fsqrt(long a, unsigned int fracbits); long cos_int(int val); long sin_int(int val); long flog(int x); + +/* fast unsigned multiplication (16x16bit->32bit or 32x32bit->32bit, + * whichever is faster for the architecture) */ +#ifdef CPU_ARM +#define FMULU(a, b) ((uint32_t) (((uint32_t) (a)) * ((uint32_t) (b)))) +#else /* SH1, coldfire */ +#define FMULU(a, b) ((uint32_t) (((uint16_t) (a)) * ((uint16_t) (b)))) +#endif |