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Jet murmur3

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This commit is contained in:
Raymond Pasco 2016-08-02 10:35:32 -07:00
parent 6e45acd5cc
commit 1d1c3f962c
5 changed files with 59 additions and 0 deletions
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1
Makefile
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@ -213,6 +213,7 @@ J_C_OFILES=\
jets/c/met.o \
jets/c/mix.o \
jets/c/mug.o \
jets/c/muk.o \
jets/c/peg.o \
jets/c/po.o \
jets/c/pow.o \

1
include/jets/q.h
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@ -59,6 +59,7 @@
u3_noun u3qc_mas(u3_atom);
u3_noun u3qc_met(u3_atom, u3_atom);
u3_noun u3qc_mix(u3_atom, u3_atom);
u3_noun u3qc_muk(u3_atom, u3_atom, u3_atom);
u3_noun u3qc_peg(u3_atom, u3_atom);
u3_noun u3qc_pow(u3_atom, u3_atom);
u3_noun u3qc_rap(u3_atom, u3_noun);

1
include/jets/w.h
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@ -59,6 +59,7 @@
u3_noun u3wc_met(u3_noun);
u3_noun u3wc_mix(u3_noun);
u3_noun u3wc_mug(u3_noun);
u3_noun u3wc_muk(u3_noun);
u3_noun u3wc_peg(u3_noun);
u3_noun u3wc_pow(u3_noun);
u3_noun u3wc_rap(u3_noun);

54
jets/c/muk.c Normal file
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@ -0,0 +1,54 @@
/* j/c/muk.c
**
*/
#include "all.h"
#include <MurmurHash3.h>
/* functions
*/
u3_noun
u3qc_muk(u3_atom seed,
u3_atom len,
u3_atom key)
{
c3_w seed_w;
c3_w len_w;
c3_y *key_y;
c3_w out_w;
c3_assert(u3r_met(5, seed) <= 1);
c3_assert(u3r_met(0, len) <= 31);
c3_assert(u3r_met(3, key) <= len);
seed_w = u3r_word(0, seed);
len_w = u3r_word(0, len);
if (len_w > 0) { /* can't u3a_calloc 0 bytes */
key_y = u3a_calloc(sizeof(c3_y), len);
} else {
key_y = 0;
}
u3r_bytes(0, len, key_y, key);
MurmurHash3_x86_32(key_y, len, seed_w, &out_w);
u3a_free(key_y);
return u3i_words(1, &out_w);
}
u3_noun
u3wc_muk(u3_noun cor)
{
u3_noun seed, len, key;
if ( (c3n == u3r_mean(cor, u3x_sam_2, &seed,
u3x_sam_6, &len,
u3x_sam_7, &key, 0)) ||
(c3n == u3ud(seed)) ||
(c3n == u3ud(len)) ||
(c3n == u3ud(key)) )
{
return u3m_bail(c3__exit);
} else {
return u3qc_muk(seed, len, key);
}
}

2
jets/tree.c
View File

@ -54,6 +54,7 @@ static u3j_harm _mood__hoon_mas_a[] = {{".2", u3wc_mas, c3y}, {}};
static u3j_harm _mood__hoon_met_a[] = {{".2", u3wc_met, c3y}, {}};
static u3j_harm _mood__hoon_mix_a[] = {{".2", u3wc_mix, c3y}, {}};
static u3j_harm _mood__hoon_mug_a[] = {{".2", u3wc_mug, c3y}, {}};
static u3j_harm _mood__hoon_muk_a[] = {{".2", u3wc_muk, c3y}, {}};
static u3j_harm _mood__hoon_peg_a[] = {{".2", u3wc_peg, c3y}, {}};
static u3j_harm _mood__hoon_pow_a[] = {{".2", u3wc_pow, c3y}, {}};
static u3j_harm _mood__hoon_rap_a[] = {{".2", u3wc_rap, c3y}, {}};
@ -464,6 +465,7 @@ static u3j_core _mood__hoon_d[] =
{ "met", _mood__hoon_met_a },
{ "mix", _mood__hoon_mix_a },
{ "mug", _mood__hoon_mug_a },
{ "muk", _mood__hoon_muk_a },
{ "peg", _mood__hoon_peg_a },
{ "pow", _mood__hoon_pow_a },
{ "rap", _mood__hoon_rap_a },