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Diffstat (limited to 'config.mk')
| -rw-r--r-- | config.mk | 13 |
1 files changed, 13 insertions, 0 deletions
@@ -23,6 +23,19 @@ LDFLAGS = # which returns the index, plus 1, of the least significant set bit # or 0 for 0, you can add -DHAVE_BUILTIN_FFSLL to CPPFLAGS; if you # are using GCC>=3.4 or clang>=5, this is added automatically. +# Additionally, you can add -DUSE_INTERPOLATION_SEARCH to CPPFLAGS +# if you want the library to use interpolation search instead of +# binary search, this is probably a bad idea on platforms that do +# not support division natively, even on amd64, it does not seem to +# make any difference at the moment. If you add -DUSE_INTERPOLATION_SEARCH, +# you may also add `-DINTERPOLATION_SEARCH_FLOAT=long double` (default), +# `-DINTERPOLATION_SEARCH_FLOAT=double` or `-DINTERPOLATION_SEARCH_FLOAT=float` +# to specify which floating point type interpolation search should use +# if it cannot used integers; which option is best depends on the +# platform, as some platforms can work natively with any of the types +# and those `float` is most performant, and other platforms (such as +# i386) can only work natively with a specific type (`long double` in +# the case of i386) and thus performs best with that type. DOWNLOAD = curl -- |