diff options
| -rw-r--r-- | meson.build | 5 | ||||
| -rw-r--r-- | meson_options.txt | 9 | ||||
| -rw-r--r-- | src/defs.h | 21 |
3 files changed, 34 insertions, 1 deletions
diff --git a/meson.build b/meson.build index da58251..f378dcc 100644 --- a/meson.build +++ b/meson.build @@ -8,6 +8,11 @@ progname = 'alg' add_project_arguments('-D', '_GNU_SOURCE', language : 'c') add_project_arguments('-fplan9-extensions', language : 'c') +add_project_arguments('-D', 'entry_field_size=' + get_option('data-bitness'), language : 'c') + +if get_option('data-signed').enabled() + add_project_arguments('-D', 'entry_field_signed', language : 'c') +endif subdir('src') diff --git a/meson_options.txt b/meson_options.txt new file mode 100644 index 0000000..ab26488 --- /dev/null +++ b/meson_options.txt @@ -0,0 +1,9 @@ +option('data-signed', + type : 'feature', + value : 'disabled', + description : 'Switch whether to use signed data type') +option('data-bitness', + type : 'combo', + choices : ['64', '32', '16'], + value : '64', + description : 'Size of a data entry to use, in bits') @@ -22,6 +22,25 @@ goto l;\ }} while (0); +#if entry_field_size == 16 +# ifdef entry_field_signed + typedef int16_t field; +# else + typedef uint16_t field; +# endif +#elif entry_field_size == 32 +# ifdef entry_field_signed + typedef int32_t field; +# else + typedef uint32_t field; +# endif +#else +# ifdef entry_field_signed + typedef int64_t field; +# else + typedef uint64_t field; +# endif +#endif #define get(in) (in->settings->access == cached ? in->get_next_element_cache(in) : in->get_next_element_direct(in)) #define put(in, data) (in->settings->access == cached ? in->place_next_element_cache(in, data) : in->place_next_element_direct(in, data)) @@ -44,7 +63,7 @@ union cachewrap { /* for array implementation */ struct entry { - uint64_t val; + field val; }; /* for linked list implementation */ |