aoc-2019-c

Advent of Code 2019 Solutions in C
git clone https://git.sinitax.com/sinitax/aoc-2019-c
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hmap_s.c (819B)

      1#include "hmap_s.h"
      2#include "vec.h"
      3#include <stdint.h>
      4
      5uint32_t
      6vec2i_hmap_hash(struct hmap_key key)
      7{
      8	const struct vec2i *v = key.p;
      9
     10	return (uint32_t) v->x + (uint32_t) v->y * 1337;
     11}
     12
     13bool
     14vec2i_hmap_keycmp(struct hmap_key k1, struct hmap_key k2)
     15{
     16	const struct vec2i *v1 = k1.p, *v2 = k2.p;
     17
     18	return vec2i_eql(v1, v2);
     19}
     20
     21uint32_t
     22vec3i_hmap_hash(struct hmap_key key)
     23{
     24	const struct vec3i *v = key.p;
     25
     26	return (uint32_t) v->x + (uint32_t) v->y * 1337
     27		+ (uint32_t) v->z * 1337 * 1337;
     28}
     29
     30bool
     31vec3i_hmap_keycmp(struct hmap_key k1, struct hmap_key k2)
     32{
     33	const struct vec3i *v1 = k1.p, *v2 = k2.p;
     34
     35	return vec3i_eql(v1, v2);
     36}
     37
     38uint32_t
     39ssizet_hmap_hash(struct hmap_key key)
     40{
     41	return (uint32_t) (key.s * 1737);
     42}
     43
     44bool
     45ssizet_hmap_keycmp(struct hmap_key k1, struct hmap_key k2)
     46{
     47	return k1.ss == k2.ss;
     48}