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authorJosé Fonseca <[email protected]>2008-10-01 01:13:40 +0900
committerJosé Fonseca <[email protected]>2008-10-01 01:13:40 +0900
commit8415d06d90a197e16554dab98d160334fd9f9f93 (patch)
tree25d004929ecac18de0e4b8bf4180bb2b33ba45f7 /src/glut/glx/glut_menu2.c
parent5dc8e67078be8b8c42a809311debd275ac7d64a7 (diff)
util: Fix util_fast_pow/exp2/log2.
- Use a lookup table for log2. - Compute (float) (1 << ipart) by tweaking with the exponent directly to avoid integer overflow and float conversion. - Also table negative exponents to avoid float division and branching. - Implement util_fast_exp as function of util_fast_exp2.
Diffstat (limited to 'src/glut/glx/glut_menu2.c')
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