| 1 |
extern "C" { |
| 2 |
#include "EXTERN.h" |
| 3 |
#include "perl.h" |
| 4 |
#include "XSUB.h" |
| 5 |
} |
| 6 |
|
| 7 |
#include "PMT.h" |
| 8 |
|
| 9 |
typedef PMT Tree__M__MT; |
| 10 |
typedef double *Key; |
| 11 |
|
| 12 |
static double * |
| 13 |
sv2c(SV *sv, int ndims) |
| 14 |
{ |
| 15 |
if (!SvROK (sv) || SvTYPE (SvRV (sv)) != SVt_PVAV) |
| 16 |
croak ("Tree::M: key must be array reference"); |
| 17 |
|
| 18 |
AV *av = (AV *)SvRV (sv); |
| 19 |
|
| 20 |
if (av_len (av) != ndims -1) |
| 21 |
croak ("Tree::M: illegal key, expected %d elements, found %d", |
| 22 |
ndims, av_len (av) + 1); |
| 23 |
|
| 24 |
double *k = new double [ndims]; |
| 25 |
|
| 26 |
for (int i = ndims; i--; ) |
| 27 |
k[i] = SvNV (*av_fetch (av, i, 1)); |
| 28 |
|
| 29 |
return k; |
| 30 |
} |
| 31 |
|
| 32 |
static SV * |
| 33 |
c2sv(double *k, int ndims) |
| 34 |
{ |
| 35 |
AV *av = newAV (); |
| 36 |
|
| 37 |
av_extend (av, ndims); |
| 38 |
for (int i = ndims; i--; ) |
| 39 |
av_store (av, i, newSVnv (k[i])); |
| 40 |
|
| 41 |
return newRV_noinc ((SV *)av); |
| 42 |
} |
| 43 |
|
| 44 |
static AV *searchres; |
| 45 |
|
| 46 |
void add_result(int data, double *k, int ndims) |
| 47 |
{ |
| 48 |
AV *r = newAV (); |
| 49 |
|
| 50 |
av_push (r, c2sv (k, ndims)); |
| 51 |
av_push (r, newSViv (data)); |
| 52 |
|
| 53 |
av_push (searchres, newRV_noinc ((SV *)r)); |
| 54 |
} |
| 55 |
|
| 56 |
MODULE = Tree::M PACKAGE = Tree::M |
| 57 |
|
| 58 |
PROTOTYPES: ENABLE |
| 59 |
|
| 60 |
PMT * |
| 61 |
_new(class, ndims, min = 0.0, max = 255.0, steps = 256.0, pagesize = 4096) |
| 62 |
int ndims |
| 63 |
double min |
| 64 |
double max |
| 65 |
double steps |
| 66 |
unsigned int pagesize |
| 67 |
CODE: |
| 68 |
RETVAL = new PMT(ndims, min, max, steps, pagesize); |
| 69 |
OUTPUT: |
| 70 |
RETVAL |
| 71 |
|
| 72 |
void |
| 73 |
PMT::create(path) |
| 74 |
char * path |
| 75 |
|
| 76 |
void |
| 77 |
PMT::open(path) |
| 78 |
char * path |
| 79 |
|
| 80 |
void |
| 81 |
PMT::insert(k, idx = 0) |
| 82 |
SV * k |
| 83 |
int idx |
| 84 |
C_ARGS: |
| 85 |
sv2c(k, THIS->ndims), idx |
| 86 |
|
| 87 |
double |
| 88 |
PMT::distance(k1, k2) |
| 89 |
SV * k1 |
| 90 |
SV * k2 |
| 91 |
C_ARGS: |
| 92 |
sv2c(k1, THIS->ndims), sv2c(k2, THIS->ndims) |
| 93 |
|
| 94 |
SV * |
| 95 |
PMT::range(k, r) |
| 96 |
SV * k |
| 97 |
double r |
| 98 |
CODE: |
| 99 |
searchres = newAV (); |
| 100 |
THIS->range(sv2c(k, THIS->ndims), r); |
| 101 |
RETVAL = newRV_noinc ((SV *)searchres); |
| 102 |
OUTPUT: |
| 103 |
RETVAL |
| 104 |
|
| 105 |
SV * |
| 106 |
PMT::top(k, n) |
| 107 |
SV * k |
| 108 |
int n |
| 109 |
CODE: |
| 110 |
searchres = newAV (); |
| 111 |
THIS->top(sv2c(k, THIS->ndims), n); |
| 112 |
RETVAL = newRV_noinc ((SV *)searchres); |
| 113 |
OUTPUT: |
| 114 |
RETVAL |
| 115 |
|
| 116 |
void |
| 117 |
PMT::sync() |
| 118 |
|
| 119 |
int |
| 120 |
PMT::maxlevel() |
| 121 |
|
| 122 |
void |
| 123 |
PMT::DESTROY() |
| 124 |
|
