"Fossies" - the Fresh Open Source Software Archive  

Source code changes of the file "GENERATED/PDL/Primitive.pm" between
PDL-2.077.tar.gz and PDL-2.078.tar.gz

About: PDL (Perl Data Language) aims to turn perl into an efficient numerical language for scientific computing (similar to IDL and MatLab).

Primitive.pm  (PDL-2.077):Primitive.pm  (PDL-2.078)
skipping to change at line 119 skipping to change at line 119
It will set the bad-value flag of all output ndarrays if the flag is set for any of the input ndarrays. It will set the bad-value flag of all output ndarrays if the flag is set for any of the input ndarrays.
=cut =cut
#line 145 "Primitive.pm" #line 145 "Primitive.pm"
#line 1060 "../../blib/lib/PDL/PP.pm" #line 1060 "../../blib/lib/PDL/PP.pm"
*outer = \&PDL::outer; *outer = \&PDL::outer;
#line 152 "Primitive.pm" #line 152 "Primitive.pm"
#line 120 "primitive.pd" #line 113 "primitive.pd"
=head2 x =head2 x
=for sig =for sig
Signature: (a(i,z), b(x,i),[o]c(x,z)) Signature: (a(i,z), b(x,i),[o]c(x,z))
=for ref =for ref
Matrix multiplication Matrix multiplication
skipping to change at line 381 skipping to change at line 381
It is hoped that things like this could be taken care of as a kind of It is hoped that things like this could be taken care of as a kind of
closures at some point. closures at some point.
=for bad =for bad
inner2t processes bad values. inner2t processes bad values.
It will set the bad-value flag of all output ndarrays if the flag is set for any of the input ndarrays. It will set the bad-value flag of all output ndarrays if the flag is set for any of the input ndarrays.
=cut =cut
#line 469 "Primitive.pm" #line 468 "Primitive.pm"
#line 1060 "../../blib/lib/PDL/PP.pm" #line 1060 "../../blib/lib/PDL/PP.pm"
*inner2t = \&PDL::inner2t; *inner2t = \&PDL::inner2t;
#line 476 "Primitive.pm" #line 475 "Primitive.pm"
#line 1058 "../../blib/lib/PDL/PP.pm" #line 1058 "../../blib/lib/PDL/PP.pm"
=head2 crossp =head2 crossp
=for sig =for sig
Signature: (a(tri=3); b(tri); [o] c(tri)) Signature: (a(tri=3); b(tri); [o] c(tri))
=for ref =for ref
skipping to change at line 415 skipping to change at line 415
the inner product C<$c*$x> and C<$c*$y> will be zero, i.e. C<$c> is the inner product C<$c*$x> and C<$c*$y> will be zero, i.e. C<$c> is
orthogonal to C<$x> and C<$y> orthogonal to C<$x> and C<$y>
=for bad =for bad
crossp does not process bad values. crossp does not process bad values.
It will set the bad-value flag of all output ndarrays if the flag is set for any of the input ndarrays. It will set the bad-value flag of all output ndarrays if the flag is set for any of the input ndarrays.
=cut =cut
#line 513 "Primitive.pm" #line 512 "Primitive.pm"
#line 1060 "../../blib/lib/PDL/PP.pm" #line 1060 "../../blib/lib/PDL/PP.pm"
*crossp = \&PDL::crossp; *crossp = \&PDL::crossp;
#line 520 "Primitive.pm" #line 519 "Primitive.pm"
#line 1058 "../../blib/lib/PDL/PP.pm" #line 1058 "../../blib/lib/PDL/PP.pm"
=head2 norm =head2 norm
=for sig =for sig
Signature: (vec(n); [o] norm(n)) Signature: (vec(n); [o] norm(n))
=for ref =for ref
Normalises a vector to unit Euclidean length Normalises a vector to unit Euclidean length
=for bad =for bad
norm processes bad values. norm processes bad values.
It will set the bad-value flag of all output ndarrays if the flag is set for any of the input ndarrays. It will set the bad-value flag of all output ndarrays if the flag is set for any of the input ndarrays.
=cut =cut
#line 545 "Primitive.pm" #line 544 "Primitive.pm"
#line 1060 "../../blib/lib/PDL/PP.pm" #line 1060 "../../blib/lib/PDL/PP.pm"
*norm = \&PDL::norm; *norm = \&PDL::norm;
#line 552 "Primitive.pm" #line 551 "Primitive.pm"
#line 1058 "../../blib/lib/PDL/PP.pm" #line 1058 "../../blib/lib/PDL/PP.pm"
=head2 indadd =head2 indadd
=for sig =for sig
Signature: (a(n); indx ind(n); [o] sum(m)) Signature: (input(n); indx ind(n); [io] sum(m))
=for ref =for ref
Threaded Index Add: Add C<a> to the C<ind> element of C<sum>, i.e: Broadcasting index add: add C<input> to the C<ind> element of C<sum>, i.e:
sum(ind) += a sum(ind) += input
=for example =for example
Simple Example: Simple example:
$x = 2; $x = 2;
$ind = 3; $ind = 3;
$sum = zeroes(10); $sum = zeroes(10);
indadd($x,$ind, $sum); indadd($x,$ind, $sum);
print $sum print $sum
#Result: ( 2 added to element 3 of $sum) #Result: ( 2 added to element 3 of $sum)
# [0 0 0 2 0 0 0 0 0 0] # [0 0 0 2 0 0 0 0 0 0]
Threaded Example: Broadcasting example:
$x = pdl( 1,2,3); $x = pdl( 1,2,3);
$ind = pdl( 1,4,6); $ind = pdl( 1,4,6);
$sum = zeroes(10); $sum = zeroes(10);
indadd($x,$ind, $sum); indadd($x,$ind, $sum);
print $sum."\n"; print $sum."\n";
#Result: ( 1, 2, and 3 added to elements 1,4,6 $sum) #Result: ( 1, 2, and 3 added to elements 1,4,6 $sum)
# [0 1 0 0 2 0 3 0 0 0] # [0 1 0 0 2 0 3 0 0 0]
=for bad =for bad
=for bad =for bad
The routine barfs if any of the indices are bad. The routine barfs on bad indices, and bad inputs set target outputs bad.
=cut =cut
#line 607 "Primitive.pm" #line 605 "Primitive.pm"
#line 1060 "../../blib/lib/PDL/PP.pm" #line 1060 "../../blib/lib/PDL/PP.pm"
*indadd = \&PDL::indadd; *indadd = \&PDL::indadd;
#line 614 "Primitive.pm" #line 612 "Primitive.pm"
#line 1058 "../../blib/lib/PDL/PP.pm" #line 1058 "../../blib/lib/PDL/PP.pm"
=head2 conv1d =head2 conv1d
=for sig =for sig
Signature: (a(m); kern(p); [o]b(m); int reflect) Signature: (a(m); kern(p); [o]b(m); int reflect)
=for ref =for ref
skipping to change at line 561 skipping to change at line 561
the numeric value of C<< $pdl->badvalue >> so it is not the numeric value of C<< $pdl->badvalue >> so it is not
recommended for processing pdls with bad values in them recommended for processing pdls with bad values in them
unless special care is taken. unless special care is taken.
=for bad =for bad
conv1d ignores the bad-value flag of the input ndarrays. conv1d ignores the bad-value flag of the input ndarrays.
It will set the bad-value flag of all output ndarrays if the flag is set for any of the input ndarrays. It will set the bad-value flag of all output ndarrays if the flag is set for any of the input ndarrays.
=cut =cut
#line 689 "Primitive.pm" #line 687 "Primitive.pm"
#line 1059 "../../blib/lib/PDL/PP.pm" #line 1059 "../../blib/lib/PDL/PP.pm"
sub PDL::conv1d { sub PDL::conv1d {
my $opt = pop @_ if ref($_[-1]) eq 'HASH'; my $opt = pop @_ if ref($_[-1]) eq 'HASH';
die 'Usage: conv1d( a(m), kern(p), [o]b(m), {Options} )' die 'Usage: conv1d( a(m), kern(p), [o]b(m), {Options} )'
if @_<2 || @_>3; if @_<2 || @_>3;
my($x,$kern) = @_; my($x,$kern) = @_;
my $c = @_ == 3 ? $_[2] : PDL->null; my $c = @_ == 3 ? $_[2] : PDL->null;
PDL::_conv1d_int($x,$kern,$c, PDL::_conv1d_int($x,$kern,$c,
!(defined $opt && exists $$opt{Boundary}) ? 0 : !(defined $opt && exists $$opt{Boundary}) ? 0 :
lc $$opt{Boundary} eq "reflect"); lc $$opt{Boundary} eq "reflect");
return $c; return $c;
} }
#line 708 "Primitive.pm" #line 706 "Primitive.pm"
#line 1060 "../../blib/lib/PDL/PP.pm" #line 1060 "../../blib/lib/PDL/PP.pm"
*conv1d = \&PDL::conv1d; *conv1d = \&PDL::conv1d;
#line 715 "Primitive.pm" #line 713 "Primitive.pm"
#line 1058 "../../blib/lib/PDL/PP.pm" #line 1058 "../../blib/lib/PDL/PP.pm"
=head2 in =head2 in
=for sig =for sig
Signature: (a(); b(n); [o] c()) Signature: (a(); b(n); [o] c())
=for ref =for ref
skipping to change at line 616 skipping to change at line 616
However, C<in> doesn't create a (potentially large) intermediate However, C<in> doesn't create a (potentially large) intermediate
and is generally faster. and is generally faster.
=for bad =for bad
in does not process bad values. in does not process bad values.
It will set the bad-value flag of all output ndarrays if the flag is set for any of the input ndarrays. It will set the bad-value flag of all output ndarrays if the flag is set for any of the input ndarrays.
=cut =cut
#line 758 "Primitive.pm" #line 756 "Primitive.pm"
#line 1060 "../../blib/lib/PDL/PP.pm" #line 1060 "../../blib/lib/PDL/PP.pm"
*in = \&PDL::in; *in = \&PDL::in;
#line 765 "Primitive.pm" #line 763 "Primitive.pm"
#line 762 "primitive.pd" #line 706 "primitive.pd"
=head2 uniq =head2 uniq
=for ref =for ref
return all unique elements of an ndarray return all unique elements of an ndarray
The unique elements are returned in ascending order. The unique elements are returned in ascending order.
=for example =for example
skipping to change at line 681 skipping to change at line 681
my $uniq = ($srt->nelem > 0) ? $srt->where($srt != $srt->rotate(-1)) : $srt; my $uniq = ($srt->nelem > 0) ? $srt->where($srt != $srt->rotate(-1)) : $srt;
# make sure we return something if there is only one value # make sure we return something if there is only one value
my $answ = $nans; # NaN values always uniq my $answ = $nans; # NaN values always uniq
if ( $uniq->nelem > 0 ) { if ( $uniq->nelem > 0 ) {
$answ = $uniq->append($answ); $answ = $uniq->append($answ);
} else { } else {
$answ = ( ($srt->nelem == 0) ? $srt : PDL::pdl( ref($srt), [$srt->index(0 )] ) )->append($answ); $answ = ( ($srt->nelem == 0) ? $srt : PDL::pdl( ref($srt), [$srt->index(0 )] ) )->append($answ);
} }
return $answ; return $answ;
} }
#line 827 "Primitive.pm" #line 825 "Primitive.pm"
#line 822 "primitive.pd" #line 766 "primitive.pd"
=head2 uniqind =head2 uniqind
=for ref =for ref
Return the indices of all unique elements of an ndarray Return the indices of all unique elements of an ndarray
The order is in the order of the values to be consistent The order is in the order of the values to be consistent
with uniq. C<NaN> values never compare equal with any with uniq. C<NaN> values never compare equal with any
other value and so are always unique. This follows the other value and so are always unique. This follows the
Matlab usage. Matlab usage.
skipping to change at line 745 skipping to change at line 745
} }
# Now map back to the original space # Now map back to the original space
my $ansind = $nanind; my $ansind = $nanind;
if ( $uniqind->nelem > 0 ) { if ( $uniqind->nelem > 0 ) {
$ansind = ($good->index($i_srt->index($uniqind)))->append($ansind); $ansind = ($good->index($i_srt->index($uniqind)))->append($ansind);
} else { } else {
$ansind = $uniqind->append($ansind); $ansind = $uniqind->append($ansind);
} }
return $ansind; return $ansind;
} }
#line 894 "Primitive.pm" #line 892 "Primitive.pm"
#line 888 "primitive.pd" #line 832 "primitive.pd"
=head2 uniqvec =head2 uniqvec
=for ref =for ref
Return all unique vectors out of a collection Return all unique vectors out of a collection
NOTE: If any vectors in the input ndarray have NaN values NOTE: If any vectors in the input ndarray have NaN values
they are returned at the end of the non-NaN ones. This is they are returned at the end of the non-NaN ones. This is
because, by definition, NaN values never compare equal with because, by definition, NaN values never compare equal with
skipping to change at line 816 skipping to change at line 816
my $uniq = $srtdice->nelem > 0 my $uniq = $srtdice->nelem > 0
? ($srtdice != $srtdice->rotate(-1))->mv(0,-1)->orover->which ? ($srtdice != $srtdice->rotate(-1))->mv(0,-1)->orover->which
: $srtdice->orover->which; : $srtdice->orover->which;
my $ans = $uniq->nelem > 0 ? $srtdice->dice($uniq) : my $ans = $uniq->nelem > 0 ? $srtdice->dice($uniq) :
($srtdice->nelem > 0) ? $srtdice->slice("0,:") : ($srtdice->nelem > 0) ? $srtdice->slice("0,:") :
$srtdice; $srtdice;
return $ans->append($somebad)->append($nanvec->mv(0,-1))->mv(0,-1); return $ans->append($somebad)->append($nanvec->mv(0,-1))->mv(0,-1);
} }
#line 967 "Primitive.pm" #line 965 "Primitive.pm"
#line 1058 "../../blib/lib/PDL/PP.pm" #line 1058 "../../blib/lib/PDL/PP.pm"
=head2 hclip =head2 hclip
=for sig =for sig
Signature: (a(); b(); [o] c()) Signature: (a(); b(); [o] c())
=for ref =for ref
clip (threshold) C<$a> by C<$b> (C<$b> is upper bound) clip (threshold) C<$a> by C<$b> (C<$b> is upper bound)
=for bad =for bad
hclip processes bad values. hclip processes bad values.
It will set the bad-value flag of all output ndarrays if the flag is set for any of the input ndarrays. It will set the bad-value flag of all output ndarrays if the flag is set for any of the input ndarrays.
=cut =cut
#line 992 "Primitive.pm" #line 990 "Primitive.pm"
#line 1059 "../../blib/lib/PDL/PP.pm" #line 1059 "../../blib/lib/PDL/PP.pm"
sub PDL::hclip { sub PDL::hclip {
my ($x,$y) = @_; my ($x,$y) = @_;
my $c; my $c;
if ($x->is_inplace) { if ($x->is_inplace) {
$x->set_inplace(0); $c = $x; $x->set_inplace(0); $c = $x;
} elsif (@_ > 2) {$c=$_[2]} else {$c=PDL->nullcreate($x)} } elsif (@_ > 2) {$c=$_[2]} else {$c=PDL->nullcreate($x)}
PDL::_hclip_int($x,$y,$c); PDL::_hclip_int($x,$y,$c);
return $c; return $c;
} }
#line 1007 "Primitive.pm" #line 1005 "Primitive.pm"
#line 1060 "../../blib/lib/PDL/PP.pm" #line 1060 "../../blib/lib/PDL/PP.pm"
*hclip = \&PDL::hclip; *hclip = \&PDL::hclip;
#line 1014 "Primitive.pm" #line 1012 "Primitive.pm"
#line 1058 "../../blib/lib/PDL/PP.pm" #line 1058 "../../blib/lib/PDL/PP.pm"
=head2 lclip =head2 lclip
=for sig =for sig
Signature: (a(); b(); [o] c()) Signature: (a(); b(); [o] c())
=for ref =for ref
clip (threshold) C<$a> by C<$b> (C<$b> is lower bound) clip (threshold) C<$a> by C<$b> (C<$b> is lower bound)
=for bad =for bad
lclip processes bad values. lclip processes bad values.
It will set the bad-value flag of all output ndarrays if the flag is set for any of the input ndarrays. It will set the bad-value flag of all output ndarrays if the flag is set for any of the input ndarrays.
=cut =cut
#line 1039 "Primitive.pm" #line 1037 "Primitive.pm"
#line 1059 "../../blib/lib/PDL/PP.pm" #line 1059 "../../blib/lib/PDL/PP.pm"
sub PDL::lclip { sub PDL::lclip {
my ($x,$y) = @_; my ($x,$y) = @_;
my $c; my $c;
if ($x->is_inplace) { if ($x->is_inplace) {
$x->set_inplace(0); $c = $x; $x->set_inplace(0); $c = $x;
} elsif (@_ > 2) {$c=$_[2]} else {$c=PDL->nullcreate($x)} } elsif (@_ > 2) {$c=$_[2]} else {$c=PDL->nullcreate($x)}
PDL::_lclip_int($x,$y,$c); PDL::_lclip_int($x,$y,$c);
return $c; return $c;
} }
#line 1054 "Primitive.pm" #line 1052 "Primitive.pm"
#line 1060 "../../blib/lib/PDL/PP.pm" #line 1060 "../../blib/lib/PDL/PP.pm"
*lclip = \&PDL::lclip; *lclip = \&PDL::lclip;
#line 1061 "Primitive.pm" #line 1059 "Primitive.pm"
#line 999 "primitive.pd" #line 942 "primitive.pd"
=head2 clip =head2 clip
=for ref =for ref
Clip (threshold) an ndarray by (optional) upper or lower bounds. Clip (threshold) an ndarray by (optional) upper or lower bounds.
=for usage =for usage
$y = $x->clip(0,3); $y = $x->clip(0,3);
$c = $x->clip(undef, $x); $c = $x->clip(undef, $x);
=for bad =for bad
clip handles bad values since it is just a clip handles bad values since it is just a
wrapper around L</hclip> and wrapper around L</hclip> and
L</lclip>. L</lclip>.
=cut =cut
#line 1085 "Primitive.pm" #line 1083 "Primitive.pm"
#line 1058 "../../blib/lib/PDL/PP.pm" #line 1058 "../../blib/lib/PDL/PP.pm"
=head2 clip =head2 clip
=for sig =for sig
Signature: (a(); l(); h(); [o] c()) Signature: (a(); l(); h(); [o] c())
=for ref =for ref
info not available info not available
=for bad =for bad
clip processes bad values. clip processes bad values.
It will set the bad-value flag of all output ndarrays if the flag is set for any of the input ndarrays. It will set the bad-value flag of all output ndarrays if the flag is set for any of the input ndarrays.
=cut =cut
#line 1112 "Primitive.pm" #line 1110 "Primitive.pm"
#line 1059 "../../blib/lib/PDL/PP.pm" #line 1059 "../../blib/lib/PDL/PP.pm"
*clip = \&PDL::clip; *clip = \&PDL::clip;
sub PDL::clip { sub PDL::clip {
my($x, $l, $h) = @_; my($x, $l, $h) = @_;
my $d; my $d;
unless(defined($l) || defined($h)) { unless(defined($l) || defined($h)) {
# Deal with pathological case # Deal with pathological case
if($x->is_inplace) { if($x->is_inplace) {
skipping to change at line 971 skipping to change at line 971
} elsif( defined($l) ) { } elsif( defined($l) ) {
PDL::_lclip_int($x,$l,$d); PDL::_lclip_int($x,$l,$d);
} elsif( defined($h) ) { } elsif( defined($h) ) {
PDL::_hclip_int($x,$h,$d); PDL::_hclip_int($x,$h,$d);
} else { } else {
die "This can't happen (clip contingency) - file a bug"; die "This can't happen (clip contingency) - file a bug";
} }
return $d; return $d;
} }
#line 1151 "Primitive.pm" #line 1149 "Primitive.pm"
#line 1060 "../../blib/lib/PDL/PP.pm" #line 1060 "../../blib/lib/PDL/PP.pm"
*clip = \&PDL::clip; *clip = \&PDL::clip;
#line 1158 "Primitive.pm" #line 1156 "Primitive.pm"
#line 1058 "../../blib/lib/PDL/PP.pm" #line 1058 "../../blib/lib/PDL/PP.pm"
=head2 wtstat =head2 wtstat
=for sig =for sig
Signature: (a(n); wt(n); avg(); [o]b(); int deg) Signature: (a(n); wt(n); avg(); [o]b(); int deg)
=for ref =for ref
skipping to change at line 1003 skipping to change at line 1003
b() = (sum_i wt_i * (a_i ** degree - avg)) / (sum_i wt_i) b() = (sum_i wt_i * (a_i ** degree - avg)) / (sum_i wt_i)
=for bad =for bad
=for bad =for bad
Bad values are ignored in any calculation; C<$b> will only Bad values are ignored in any calculation; C<$b> will only
have its bad flag set if the output contains any bad data. have its bad flag set if the output contains any bad data.
=cut =cut
#line 1192 "Primitive.pm" #line 1190 "Primitive.pm"
#line 1060 "../../blib/lib/PDL/PP.pm" #line 1060 "../../blib/lib/PDL/PP.pm"
*wtstat = \&PDL::wtstat; *wtstat = \&PDL::wtstat;
#line 1199 "Primitive.pm" #line 1197 "Primitive.pm"
#line 1058 "../../blib/lib/PDL/PP.pm" #line 1058 "../../blib/lib/PDL/PP.pm"
=head2 statsover =head2 statsover
=for sig =for sig
Signature: (a(n); w(n); float+ [o]avg(); float+ [o]prms(); int+ [o]median(); i nt+ [o]min(); int+ [o]max(); float+ [o]adev(); float+ [o]rms()) Signature: (a(n); w(n); float+ [o]avg(); float+ [o]prms(); int+ [o]median(); i nt+ [o]min(); int+ [o]max(); float+ [o]adev(); float+ [o]rms())
=for ref =for ref
skipping to change at line 1080 skipping to change at line 1080
use C<clump(-1)> directly on the ndarray or call C<stats>. use C<clump(-1)> directly on the ndarray or call C<stats>.
=for bad =for bad
=for bad =for bad
Bad values are simply ignored in the calculation, effectively reducing Bad values are simply ignored in the calculation, effectively reducing
the sample size. If all data are bad then the output data are marked bad. the sample size. If all data are bad then the output data are marked bad.
=cut =cut
#line 1281 "Primitive.pm" #line 1278 "Primitive.pm"
#line 1059 "../../blib/lib/PDL/PP.pm" #line 1059 "../../blib/lib/PDL/PP.pm"
sub PDL::statsover { sub PDL::statsover {
barf('Usage: ($mean,[$prms, $median, $min, $max, $adev, $rms]) = statsover($d ata,[$weights])') if @_>2; barf('Usage: ($mean,[$prms, $median, $min, $max, $adev, $rms]) = statsover($d ata,[$weights])') if @_>2;
my ($data, $weights) = @_; my ($data, $weights) = @_;
$weights = $data->ones() if !defined($weights); $weights //= $data->ones();
my $median = $data->medover;
my $median = $data->medover();
my $mean = PDL->nullcreate($data); my $mean = PDL->nullcreate($data);
my $rms = PDL->nullcreate($data); my $rms = PDL->nullcreate($data);
my $min = PDL->nullcreate($data); my $min = PDL->nullcreate($data);
my $max = PDL->nullcreate($data); my $max = PDL->nullcreate($data);
my $adev = PDL->nullcreate($data); my $adev = PDL->nullcreate($data);
my $prms = PDL->nullcreate($data); my $prms = PDL->nullcreate($data);
PDL::_statsover_int($data, $weights, $mean, $prms, $median, $min, $max, $adev , $rms); PDL::_statsover_int($data, $weights, $mean, $prms, $median, $min, $max, $adev , $rms);
wantarray ? ($mean, $prms, $median, $min, $max, $adev, $rms) : $mean;
return $mean unless wantarray;
return ($mean, $prms, $median, $min, $max, $adev, $rms);
} }
#line 1306 "Primitive.pm" #line 1299 "Primitive.pm"
#line 1060 "../../blib/lib/PDL/PP.pm" #line 1060 "../../blib/lib/PDL/PP.pm"
*statsover = \&PDL::statsover; *statsover = \&PDL::statsover;
#line 1313 "Primitive.pm" #line 1306 "Primitive.pm"
#line 1307 "primitive.pd" #line 1195 "primitive.pd"
=head2 stats =head2 stats
=for ref =for ref
Calculates useful statistics on an ndarray Calculates useful statistics on an ndarray
=for usage =for usage
($mean,$prms,$median,$min,$max,$adev,$rms) = stats($ndarray,[$weights]); ($mean,$prms,$median,$min,$max,$adev,$rms) = stats($ndarray,[$weights]);
skipping to change at line 1152 skipping to change at line 1149
if( ($weights->ndims != $data->ndims) or if( ($weights->ndims != $data->ndims) or
(pdl($weights->dims) != pdl($data->dims))->or (pdl($weights->dims) != pdl($data->dims))->or
) { ) {
$weights = $weights + zeroes($data) $weights = $weights + zeroes($data)
} }
$weights = $weights->flat; $weights = $weights->flat;
} }
return PDL::statsover($data->flat,$weights); return PDL::statsover($data->flat,$weights);
} }
#line 1361 "Primitive.pm" #line 1354 "Primitive.pm"
#line 1058 "../../blib/lib/PDL/PP.pm" #line 1058 "../../blib/lib/PDL/PP.pm"
=head2 histogram =head2 histogram
=for sig =for sig
Signature: (in(n); int+[o] hist(m); double step; double min; int msize => m) Signature: (in(n); int+[o] hist(m); double step; double min; int msize => m)
=for ref =for ref
skipping to change at line 1196 skipping to change at line 1193
pdl> p histogram(pdl(1,1,2),1,0,3) pdl> p histogram(pdl(1,1,2),1,0,3)
[0 2 1] [0 2 1]
=for bad =for bad
histogram processes bad values. histogram processes bad values.
It will set the bad-value flag of all output ndarrays if the flag is set for any of the input ndarrays. It will set the bad-value flag of all output ndarrays if the flag is set for any of the input ndarrays.
=cut =cut
#line 1413 "Primitive.pm" #line 1406 "Primitive.pm"
#line 1060 "../../blib/lib/PDL/PP.pm" #line 1060 "../../blib/lib/PDL/PP.pm"
*histogram = \&PDL::histogram; *histogram = \&PDL::histogram;
#line 1420 "Primitive.pm" #line 1413 "Primitive.pm"
#line 1058 "../../blib/lib/PDL/PP.pm" #line 1058 "../../blib/lib/PDL/PP.pm"
=head2 whistogram =head2 whistogram
=for sig =for sig
Signature: (in(n); float+ wt(n);float+[o] hist(m); double step; double min; in t msize => m) Signature: (in(n); float+ wt(n);float+[o] hist(m); double step; double min; in t msize => m)
=for ref =for ref
skipping to change at line 1243 skipping to change at line 1240
pdl> p whistogram(pdl(1,1,2), pdl(0.1,0.1,0.5), 1, 0, 4) pdl> p whistogram(pdl(1,1,2), pdl(0.1,0.1,0.5), 1, 0, 4)
[0 0.2 0.5 0] [0 0.2 0.5 0]
=for bad =for bad
whistogram processes bad values. whistogram processes bad values.
It will set the bad-value flag of all output ndarrays if the flag is set for any of the input ndarrays. It will set the bad-value flag of all output ndarrays if the flag is set for any of the input ndarrays.
=cut =cut
#line 1469 "Primitive.pm" #line 1462 "Primitive.pm"
#line 1060 "../../blib/lib/PDL/PP.pm" #line 1060 "../../blib/lib/PDL/PP.pm"
*whistogram = \&PDL::whistogram; *whistogram = \&PDL::whistogram;
#line 1476 "Primitive.pm" #line 1469 "Primitive.pm"
#line 1058 "../../blib/lib/PDL/PP.pm" #line 1058 "../../blib/lib/PDL/PP.pm"
=head2 histogram2d =head2 histogram2d
=for sig =for sig
Signature: (ina(n); inb(n); int+[o] hist(ma,mb); double stepa; double mina; in t masize => ma; Signature: (ina(n); inb(n); int+[o] hist(ma,mb); double stepa; double mina; in t masize => ma;
double stepb; double minb; int mbsize => mb;) double stepb; double minb; int mbsize => mb;)
skipping to change at line 1295 skipping to change at line 1292
[0 2 2] [0 2 2]
[0 1 0] [0 1 0]
] ]
=for bad =for bad
histogram2d processes bad values. histogram2d processes bad values.
It will set the bad-value flag of all output ndarrays if the flag is set for any of the input ndarrays. It will set the bad-value flag of all output ndarrays if the flag is set for any of the input ndarrays.
=cut =cut
#line 1530 "Primitive.pm" #line 1523 "Primitive.pm"
#line 1060 "../../blib/lib/PDL/PP.pm" #line 1060 "../../blib/lib/PDL/PP.pm"
*histogram2d = \&PDL::histogram2d; *histogram2d = \&PDL::histogram2d;
#line 1537 "Primitive.pm" #line 1530 "Primitive.pm"
#line 1058 "../../blib/lib/PDL/PP.pm" #line 1058 "../../blib/lib/PDL/PP.pm"
=head2 whistogram2d =head2 whistogram2d
=for sig =for sig
Signature: (ina(n); inb(n); float+ wt(n);float+[o] hist(ma,mb); double stepa; double mina; int masize => ma; Signature: (ina(n); inb(n); float+ wt(n);float+[o] hist(ma,mb); double stepa; double mina; int masize => ma;
double stepb; double minb; int mbsize => mb;) double stepb; double minb; int mbsize => mb;)
skipping to change at line 1347 skipping to change at line 1344
[ 0 0.5 0.9] [ 0 0.5 0.9]
[ 0 0.1 0] [ 0 0.1 0]
] ]
=for bad =for bad
whistogram2d processes bad values. whistogram2d processes bad values.
It will set the bad-value flag of all output ndarrays if the flag is set for any of the input ndarrays. It will set the bad-value flag of all output ndarrays if the flag is set for any of the input ndarrays.
=cut =cut
#line 1591 "Primitive.pm" #line 1584 "Primitive.pm"
#line 1060 "../../blib/lib/PDL/PP.pm" #line 1060 "../../blib/lib/PDL/PP.pm"
*whistogram2d = \&PDL::whistogram2d; *whistogram2d = \&PDL::whistogram2d;
#line 1598 "Primitive.pm" #line 1591 "Primitive.pm"
#line 1058 "../../blib/lib/PDL/PP.pm" #line 1058 "../../blib/lib/PDL/PP.pm"
=head2 fibonacci =head2 fibonacci
=for sig =for sig
Signature: (i(n); indx [o]x(n)) Signature: (i(n); indx [o]x(n))
=for ref =for ref
Constructor - a vector with Fibonacci's sequence Constructor - a vector with Fibonacci's sequence
=for bad =for bad
fibonacci does not process bad values. fibonacci does not process bad values.
It will set the bad-value flag of all output ndarrays if the flag is set for any of the input ndarrays. It will set the bad-value flag of all output ndarrays if the flag is set for any of the input ndarrays.
=cut =cut
#line 1623 "Primitive.pm" #line 1616 "Primitive.pm"
#line 1059 "../../blib/lib/PDL/PP.pm" #line 1059 "../../blib/lib/PDL/PP.pm"
sub fibonacci { ref($_[0]) && ref($_[0]) ne 'PDL::Type' ? $_[0]->fibonacci : PDL ->fibonacci(@_) } sub fibonacci { ref($_[0]) && ref($_[0]) ne 'PDL::Type' ? $_[0]->fibonacci : PDL ->fibonacci(@_) }
sub PDL::fibonacci{ sub PDL::fibonacci{
my $x = &PDL::Core::_construct; my $x = &PDL::Core::_construct;
my $is_inplace = $x->is_inplace; my $is_inplace = $x->is_inplace;
my ($in, $out) = $x->clump(-1); my ($in, $out) = $x->clump(-1);
$out = $is_inplace ? $in->inplace : PDL->null; $out = $is_inplace ? $in->inplace : PDL->null;
PDL::_fibonacci_int($in, $out); PDL::_fibonacci_int($in, $out);
$out; $out;
} }
#line 1638 "Primitive.pm" #line 1631 "Primitive.pm"
#line 1060 "../../blib/lib/PDL/PP.pm" #line 1060 "../../blib/lib/PDL/PP.pm"
#line 1643 "Primitive.pm" #line 1636 "Primitive.pm"
#line 1058 "../../blib/lib/PDL/PP.pm" #line 1058 "../../blib/lib/PDL/PP.pm"
=head2 append =head2 append
=for sig =for sig
Signature: (a(n); b(m); [o] c(mn)) Signature: (a(n); b(m); [o] c(mn))
=for ref =for ref
skipping to change at line 1424 skipping to change at line 1421
than two ndarrays along an arbitrary dimension, and than two ndarrays along an arbitrary dimension, and
L<cat|PDL::Core/cat>, which can append more than two ndarrays that all L<cat|PDL::Core/cat>, which can append more than two ndarrays that all
have the same sized dimensions. have the same sized dimensions.
=for bad =for bad
append does not process bad values. append does not process bad values.
It will set the bad-value flag of all output ndarrays if the flag is set for any of the input ndarrays. It will set the bad-value flag of all output ndarrays if the flag is set for any of the input ndarrays.
=cut =cut
#line 1686 "Primitive.pm" #line 1679 "Primitive.pm"
#line 1059 "../../blib/lib/PDL/PP.pm" #line 1059 "../../blib/lib/PDL/PP.pm"
#line 1618 "primitive.pd" #line 1504 "primitive.pd"
sub PDL::append { sub PDL::append {
my ($i1, $i2, $o) = map PDL->topdl($_), @_; my ($i1, $i2, $o) = map PDL->topdl($_), @_;
if (grep $_->isempty, $i1, $i2) { if (grep $_->isempty, $i1, $i2) {
if (!defined $o) { if (!defined $o) {
return $i2->isnull ? PDL->zeroes(0) : $i2->copy if $i1->isempty; return $i2->isnull ? PDL->zeroes(0) : $i2->copy if $i1->isempty;
return $i1->isnull ? PDL->zeroes(0) : $i1->copy; return $i1->isnull ? PDL->zeroes(0) : $i1->copy;
} else { } else {
$o .= $i2->isnull ? PDL->zeroes(0) : $i2, return $o if $i1->isempty; $o .= $i2->isnull ? PDL->zeroes(0) : $i2, return $o if $i1->isempty;
$o .= $i1->isnull ? PDL->zeroes(0) : $i1, return $o; $o .= $i1->isnull ? PDL->zeroes(0) : $i1, return $o;
} }
} }
$o //= PDL->null; $o //= PDL->null;
PDL::_append_int($i1, $i2->convert($i1->type), $o); PDL::_append_int($i1, $i2->convert($i1->type), $o);
$o; $o;
} }
#line 1079 "../../blib/lib/PDL/PP.pm" #line 1079 "../../blib/lib/PDL/PP.pm"
#line 1712 "Primitive.pm" #line 1705 "Primitive.pm"
#line 1060 "../../blib/lib/PDL/PP.pm" #line 1060 "../../blib/lib/PDL/PP.pm"
*append = \&PDL::append; *append = \&PDL::append;
#line 1719 "Primitive.pm" #line 1712 "Primitive.pm"
#line 1665 "primitive.pd" #line 1551 "primitive.pd"
=head2 glue =head2 glue
=for usage =for usage
$c = $x->glue(<dim>,$y,...) $c = $x->glue(<dim>,$y,...)
=for ref =for ref
Glue two or more PDLs together along an arbitrary dimension Glue two or more PDLs together along an arbitrary dimension
skipping to change at line 1531 skipping to change at line 1528
next unless(defined $y && $y->nelem); next unless(defined $y && $y->nelem);
while($dim >= $y->ndims) { while($dim >= $y->ndims) {
$y = $y->dummy(-1,1); $y = $y->dummy(-1,1);
} }
$y = $y->xchg(0,$dim); $y = $y->xchg(0,$dim);
$x = $x->append($y); $x = $x->append($y);
} }
$x->xchg(0,$dim); $x->xchg(0,$dim);
} }
#line 1800 "Primitive.pm" #line 1793 "Primitive.pm"
#line 1060 "../../blib/lib/PDL/PP.pm" #line 1060 "../../blib/lib/PDL/PP.pm"
*axisvalues = \&PDL::axisvalues; *axisvalues = \&PDL::axisvalues;
#line 1807 "Primitive.pm" #line 1800 "Primitive.pm"
#line 1058 "../../blib/lib/PDL/PP.pm" #line 1058 "../../blib/lib/PDL/PP.pm"
=head2 srand =head2 srand
=for sig =for sig
Signature: (a()) Signature: (a())
=for ref =for ref
skipping to change at line 1563 skipping to change at line 1560
srand(); # uses current time srand(); # uses current time
srand(5); # fixed number e.g. for testing srand(5); # fixed number e.g. for testing
=for bad =for bad
srand does not process bad values. srand does not process bad values.
It will set the bad-value flag of all output ndarrays if the flag is set for any of the input ndarrays. It will set the bad-value flag of all output ndarrays if the flag is set for any of the input ndarrays.
=cut =cut
#line 1841 "Primitive.pm" #line 1834 "Primitive.pm"
#line 1059 "../../blib/lib/PDL/PP.pm" #line 1059 "../../blib/lib/PDL/PP.pm"
*srand = \&PDL::srand; *srand = \&PDL::srand;
sub PDL::srand { PDL::_srand_int($_[0] // PDL::Core::seed()) } sub PDL::srand { PDL::_srand_int($_[0] // PDL::Core::seed()) }
#line 1849 "Primitive.pm" #line 1842 "Primitive.pm"
#line 1060 "../../blib/lib/PDL/PP.pm" #line 1060 "../../blib/lib/PDL/PP.pm"
*srand = \&PDL::srand; *srand = \&PDL::srand;
#line 1856 "Primitive.pm" #line 1849 "Primitive.pm"
#line 1058 "../../blib/lib/PDL/PP.pm" #line 1058 "../../blib/lib/PDL/PP.pm"
=head2 random =head2 random
=for sig =for sig
Signature: (a()) Signature: (a())
=for ref =for ref
skipping to change at line 1609 skipping to change at line 1606
You can use the PDL function L</srand> to seed the random generator. You can use the PDL function L</srand> to seed the random generator.
If it has not been called yet, it will be with the current time. If it has not been called yet, it will be with the current time.
=for bad =for bad
random does not process bad values. random does not process bad values.
It will set the bad-value flag of all output ndarrays if the flag is set for any of the input ndarrays. It will set the bad-value flag of all output ndarrays if the flag is set for any of the input ndarrays.
=cut =cut
#line 1897 "Primitive.pm" #line 1890 "Primitive.pm"
#line 1059 "../../blib/lib/PDL/PP.pm" #line 1059 "../../blib/lib/PDL/PP.pm"
sub random { ref($_[0]) && ref($_[0]) ne 'PDL::Type' ? $_[0]->random : PDL->rand om(@_) } sub random { ref($_[0]) && ref($_[0]) ne 'PDL::Type' ? $_[0]->random : PDL->rand om(@_) }
sub PDL::random { sub PDL::random {
my $class = shift; my $class = shift;
my $x = scalar(@_)? $class->new_from_specification(@_) : $class->new_or_inpla ce; my $x = scalar(@_)? $class->new_from_specification(@_) : $class->new_or_inpla ce;
PDL::_random_int($x); PDL::_random_int($x);
return $x; return $x;
} }
#line 1910 "Primitive.pm" #line 1903 "Primitive.pm"
#line 1060 "../../blib/lib/PDL/PP.pm" #line 1060 "../../blib/lib/PDL/PP.pm"
#line 1915 "Primitive.pm" #line 1908 "Primitive.pm"
#line 1058 "../../blib/lib/PDL/PP.pm" #line 1058 "../../blib/lib/PDL/PP.pm"
=head2 randsym =head2 randsym
=for sig =for sig
Signature: (a()) Signature: (a())
=for ref =for ref
skipping to change at line 1657 skipping to change at line 1654
You can use the PDL function L</srand> to seed the random generator. You can use the PDL function L</srand> to seed the random generator.
If it has not been called yet, it will be with the current time. If it has not been called yet, it will be with the current time.
=for bad =for bad
randsym does not process bad values. randsym does not process bad values.
It will set the bad-value flag of all output ndarrays if the flag is set for any of the input ndarrays. It will set the bad-value flag of all output ndarrays if the flag is set for any of the input ndarrays.
=cut =cut
#line 1955 "Primitive.pm" #line 1948 "Primitive.pm"
#line 1059 "../../blib/lib/PDL/PP.pm" #line 1059 "../../blib/lib/PDL/PP.pm"
sub randsym { ref($_[0]) && ref($_[0]) ne 'PDL::Type' ? $_[0]->randsym : PDL->ra ndsym(@_) } sub randsym { ref($_[0]) && ref($_[0]) ne 'PDL::Type' ? $_[0]->randsym : PDL->ra ndsym(@_) }
sub PDL::randsym { sub PDL::randsym {
my $class = shift; my $class = shift;
my $x = scalar(@_)? $class->new_from_specification(@_) : $class->new_or_inpla ce; my $x = scalar(@_)? $class->new_from_specification(@_) : $class->new_or_inpla ce;
PDL::_randsym_int($x); PDL::_randsym_int($x);
return $x; return $x;
} }
#line 1968 "Primitive.pm" #line 1961 "Primitive.pm"
#line 1060 "../../blib/lib/PDL/PP.pm" #line 1060 "../../blib/lib/PDL/PP.pm"
#line 1973 "Primitive.pm" #line 1966 "Primitive.pm"
#line 1890 "primitive.pd" #line 1776 "primitive.pd"
=head2 grandom =head2 grandom
=for ref =for ref
Constructor which returns ndarray of Gaussian random numbers Constructor which returns ndarray of Gaussian random numbers
=for usage =for usage
$x = grandom([type], $nx, $ny, $nz,...); $x = grandom([type], $nx, $ny, $nz,...);
skipping to change at line 1705 skipping to change at line 1702
=cut =cut
sub grandom { ref($_[0]) && ref($_[0]) ne 'PDL::Type' ? $_[0]->grandom : PDL->gr andom(@_) } sub grandom { ref($_[0]) && ref($_[0]) ne 'PDL::Type' ? $_[0]->grandom : PDL->gr andom(@_) }
sub PDL::grandom { sub PDL::grandom {
my $class = shift; my $class = shift;
my $x = scalar(@_)? $class->new_from_specification(@_) : $class->new_or_inpla ce; my $x = scalar(@_)? $class->new_from_specification(@_) : $class->new_or_inpla ce;
use PDL::Math 'ndtri'; use PDL::Math 'ndtri';
$x .= ndtri(randsym($x)); $x .= ndtri(randsym($x));
return $x; return $x;
} }
#line 2009 "Primitive.pm" #line 2002 "Primitive.pm"
#line 1930 "primitive.pd" #line 1816 "primitive.pd"
=head2 vsearch =head2 vsearch
=for sig =for sig
Signature: ( vals(); xs(n); [o] indx(); [\%options] ) Signature: ( vals(); xs(n); [o] indx(); [\%options] )
=for ref =for ref
Efficiently search for values in a sorted ndarray, returning indices. Efficiently search for values in a sorted ndarray, returning indices.
skipping to change at line 1853 skipping to change at line 1850
$mode eq 'sample' ? \&vsearch_sample $mode eq 'sample' ? \&vsearch_sample
: $mode eq 'insert_leftmost' ? \&vsearch_insert_leftmost : $mode eq 'insert_leftmost' ? \&vsearch_insert_leftmost
: $mode eq 'insert_rightmost' ? \&vsearch_insert_rightmost : $mode eq 'insert_rightmost' ? \&vsearch_insert_rightmost
: $mode eq 'match' ? \&vsearch_match : $mode eq 'match' ? \&vsearch_match
: $mode eq 'bin_inclusive' ? \&vsearch_bin_inclusive : $mode eq 'bin_inclusive' ? \&vsearch_bin_inclusive
: $mode eq 'bin_exclusive' ? \&vsearch_bin_exclusive : $mode eq 'bin_exclusive' ? \&vsearch_bin_exclusive
: croak( "unknown vsearch mode: $mode\n" ); : croak( "unknown vsearch mode: $mode\n" );
} }
*PDL::vsearch = \&vsearch; *PDL::vsearch = \&vsearch;
#line 2160 "Primitive.pm" #line 2153 "Primitive.pm"
#line 1058 "../../blib/lib/PDL/PP.pm" #line 1058 "../../blib/lib/PDL/PP.pm"
=head2 vsearch_sample =head2 vsearch_sample
=for sig =for sig
Signature: (vals(); x(n); indx [o]idx()) Signature: (vals(); x(n); indx [o]idx())
=for ref =for ref
skipping to change at line 1921 skipping to change at line 1918
$c = vsearch_sample($y, $x); # Now, $c will have the appropriate distr. $c = vsearch_sample($y, $x); # Now, $c will have the appropriate distr.
It is possible to use the L<cumusumover|PDL::Ufunc/cumusumover> It is possible to use the L<cumusumover|PDL::Ufunc/cumusumover>
function to obtain cumulative probabilities from absolute probabilities. function to obtain cumulative probabilities from absolute probabilities.
=for bad =for bad
needs major (?) work to handles bad values needs major (?) work to handles bad values
=cut =cut
#line 2254 "Primitive.pm" #line 2247 "Primitive.pm"
#line 1060 "../../blib/lib/PDL/PP.pm" #line 1060 "../../blib/lib/PDL/PP.pm"
*vsearch_sample = \&PDL::vsearch_sample; *vsearch_sample = \&PDL::vsearch_sample;
#line 2261 "Primitive.pm" #line 2254 "Primitive.pm"
#line 1058 "../../blib/lib/PDL/PP.pm" #line 1058 "../../blib/lib/PDL/PP.pm"
=head2 vsearch_insert_leftmost =head2 vsearch_insert_leftmost
=for sig =for sig
Signature: (vals(); x(n); indx [o]idx()) Signature: (vals(); x(n); indx [o]idx())
=for ref =for ref
skipping to change at line 1990 skipping to change at line 1987
i = 0 i = 0
If C<$x> contains duplicated elements, I<I> is the index of the If C<$x> contains duplicated elements, I<I> is the index of the
leftmost (by index in array) duplicate if I<V> matches. leftmost (by index in array) duplicate if I<V> matches.
=for bad =for bad
needs major (?) work to handles bad values needs major (?) work to handles bad values
=cut =cut
#line 2351 "Primitive.pm" #line 2344 "Primitive.pm"
#line 1060 "../../blib/lib/PDL/PP.pm" #line 1060 "../../blib/lib/PDL/PP.pm"
*vsearch_insert_leftmost = \&PDL::vsearch_insert_leftmost; *vsearch_insert_leftmost = \&PDL::vsearch_insert_leftmost;
#line 2358 "Primitive.pm" #line 2351 "Primitive.pm"
#line 1058 "../../blib/lib/PDL/PP.pm" #line 1058 "../../blib/lib/PDL/PP.pm"
=head2 vsearch_insert_rightmost =head2 vsearch_insert_rightmost
=for sig =for sig
Signature: (vals(); x(n); indx [o]idx()) Signature: (vals(); x(n); indx [o]idx())
=for ref =for ref
skipping to change at line 2059 skipping to change at line 2056
i = $x->nelem - 1 i = $x->nelem - 1
If C<$x> contains duplicated elements, I<I> is the index of the If C<$x> contains duplicated elements, I<I> is the index of the
leftmost (by index in array) duplicate if I<V> matches. leftmost (by index in array) duplicate if I<V> matches.
=for bad =for bad
needs major (?) work to handles bad values needs major (?) work to handles bad values
=cut =cut
#line 2448 "Primitive.pm" #line 2441 "Primitive.pm"
#line 1060 "../../blib/lib/PDL/PP.pm" #line 1060 "../../blib/lib/PDL/PP.pm"
*vsearch_insert_rightmost = \&PDL::vsearch_insert_rightmost; *vsearch_insert_rightmost = \&PDL::vsearch_insert_rightmost;
#line 2455 "Primitive.pm" #line 2448 "Primitive.pm"
#line 1058 "../../blib/lib/PDL/PP.pm" #line 1058 "../../blib/lib/PDL/PP.pm"
=head2 vsearch_match =head2 vsearch_match
=for sig =for sig
Signature: (vals(); x(n); indx [o]idx()) Signature: (vals(); x(n); indx [o]idx())
=for ref =for ref
skipping to change at line 2097 skipping to change at line 2094
index of that element, otherwise it is I<-( insertion_point + 1 )>, index of that element, otherwise it is I<-( insertion_point + 1 )>,
where I<insertion_point> is an index in C<$x> where I<V> may be where I<insertion_point> is an index in C<$x> where I<V> may be
inserted while maintaining the order in C<$x>. If C<$x> has inserted while maintaining the order in C<$x>. If C<$x> has
duplicated values, I<I> may refer to any of them. duplicated values, I<I> may refer to any of them.
=for bad =for bad
needs major (?) work to handles bad values needs major (?) work to handles bad values
=cut =cut
#line 2503 "Primitive.pm" #line 2496 "Primitive.pm"
#line 1060 "../../blib/lib/PDL/PP.pm" #line 1060 "../../blib/lib/PDL/PP.pm"
*vsearch_match = \&PDL::vsearch_match; *vsearch_match = \&PDL::vsearch_match;
#line 2510 "Primitive.pm" #line 2503 "Primitive.pm"
#line 1058 "../../blib/lib/PDL/PP.pm" #line 1058 "../../blib/lib/PDL/PP.pm"
=head2 vsearch_bin_inclusive =head2 vsearch_bin_inclusive
=for sig =for sig
Signature: (vals(); x(n); indx [o]idx()) Signature: (vals(); x(n); indx [o]idx())
=for ref =for ref
skipping to change at line 2164 skipping to change at line 2161
i = $x->nelem - 1 i = $x->nelem - 1
If C<$x> contains duplicated elements, I<I> is the index of the If C<$x> contains duplicated elements, I<I> is the index of the
righmost (by index in array) duplicate if I<V> matches. righmost (by index in array) duplicate if I<V> matches.
=for bad =for bad
needs major (?) work to handles bad values needs major (?) work to handles bad values
=cut =cut
#line 2598 "Primitive.pm" #line 2591 "Primitive.pm"
#line 1060 "../../blib/lib/PDL/PP.pm" #line 1060 "../../blib/lib/PDL/PP.pm"
*vsearch_bin_inclusive = \&PDL::vsearch_bin_inclusive; *vsearch_bin_inclusive = \&PDL::vsearch_bin_inclusive;
#line 2605 "Primitive.pm" #line 2598 "Primitive.pm"
#line 1058 "../../blib/lib/PDL/PP.pm" #line 1058 "../../blib/lib/PDL/PP.pm"
=head2 vsearch_bin_exclusive =head2 vsearch_bin_exclusive
=for sig =for sig
Signature: (vals(); x(n); indx [o]idx()) Signature: (vals(); x(n); indx [o]idx())
=for ref =for ref
skipping to change at line 2231 skipping to change at line 2228
i = $x->nelem - 1 i = $x->nelem - 1
If C<$x> contains duplicated elements, I<I> is the index of the If C<$x> contains duplicated elements, I<I> is the index of the
righmost (by index in array) duplicate if I<V> matches. righmost (by index in array) duplicate if I<V> matches.
=for bad =for bad
needs major (?) work to handles bad values needs major (?) work to handles bad values
=cut =cut
#line 2693 "Primitive.pm" #line 2686 "Primitive.pm"
#line 1060 "../../blib/lib/PDL/PP.pm" #line 1060 "../../blib/lib/PDL/PP.pm"
*vsearch_bin_exclusive = \&PDL::vsearch_bin_exclusive; *vsearch_bin_exclusive = \&PDL::vsearch_bin_exclusive;
#line 2700 "Primitive.pm" #line 2693 "Primitive.pm"
#line 1058 "../../blib/lib/PDL/PP.pm" #line 1058 "../../blib/lib/PDL/PP.pm"
=head2 interpolate =head2 interpolate
=for sig =for sig
Signature: (xi(); x(n); y(n); [o] yi(); int [o] err()) Signature: (xi(); x(n); y(n); [o] yi(); int [o] err())
=for ref =for ref
skipping to change at line 2277 skipping to change at line 2274
See also L</interpol>, which uses the same routine, See also L</interpol>, which uses the same routine,
differing only in the handling of extrapolation - an error message differing only in the handling of extrapolation - an error message
is printed rather than returning an error ndarray. is printed rather than returning an error ndarray.
=for bad =for bad
needs major (?) work to handles bad values needs major (?) work to handles bad values
=cut =cut
#line 2748 "Primitive.pm" #line 2741 "Primitive.pm"
#line 1060 "../../blib/lib/PDL/PP.pm" #line 1060 "../../blib/lib/PDL/PP.pm"
*interpolate = \&PDL::interpolate; *interpolate = \&PDL::interpolate;
#line 2755 "Primitive.pm" #line 2748 "Primitive.pm"
#line 2606 "primitive.pd" #line 2492 "primitive.pd"
=head2 interpol =head2 interpol
=for sig =for sig
Signature: (xi(); x(n); y(n); [o] yi()) Signature: (xi(); x(n); y(n); [o] yi())
=for ref =for ref
routine for 1D linear interpolation routine for 1D linear interpolation
skipping to change at line 2319 skipping to change at line 2316
my $xi = shift; my $xi = shift;
my $x = shift; my $x = shift;
my $y = shift; my $y = shift;
my $yi = @_ == 1 ? $_[0] : PDL->null; my $yi = @_ == 1 ? $_[0] : PDL->null;
interpolate( $xi, $x, $y, $yi, my $err = PDL->null ); interpolate( $xi, $x, $y, $yi, my $err = PDL->null );
print "some values had to be extrapolated\n" print "some values had to be extrapolated\n"
if any $err; if any $err;
return $yi if @_ == 0; return $yi if @_ == 0;
} # sub: interpol() } # sub: interpol()
*PDL::interpol = \&interpol; *PDL::interpol = \&interpol;
#line 2794 "Primitive.pm" #line 2787 "Primitive.pm"
#line 2644 "primitive.pd" #line 2530 "primitive.pd"
=head2 interpND =head2 interpND
=for ref =for ref
Interpolate values from an N-D ndarray, with switchable method Interpolate values from an N-D ndarray, with switchable method
=for example =for example
$source = 10*xvals(10,10) + yvals(10,10); $source = 10*xvals(10,10) + yvals(10,10);
skipping to change at line 2563 skipping to change at line 2560
$mag = $mag->dummy(-1,$index->dim($i)); $mag = $mag->dummy(-1,$index->dim($i));
} }
my $out = cos($phase + $phref ) * $mag; my $out = cos($phase + $phref ) * $mag;
$out = $out->clump($source->ndims)->sumover; $out = $out->clump($source->ndims)->sumover;
return $out; return $out;
} else { } else {
barf("interpND: unknown method '$method'; valid ones are 'linear' and 'samp le'.\n"); barf("interpND: unknown method '$method'; valid ones are 'linear' and 'samp le'.\n");
} }
} }
#line 3041 "Primitive.pm" #line 3034 "Primitive.pm"
#line 2894 "primitive.pd" #line 2780 "primitive.pd"
=head2 one2nd =head2 one2nd
=for ref =for ref
Converts a one dimensional index ndarray to a set of ND coordinates Converts a one dimensional index ndarray to a set of ND coordinates
=for usage =for usage
@coords=one2nd($x, $indices) @coords=one2nd($x, $indices)
skipping to change at line 2613 skipping to change at line 2610
my @dimension=$x->dims; my @dimension=$x->dims;
$ind = indx($ind); $ind = indx($ind);
my(@index); my(@index);
my $count=0; my $count=0;
foreach (@dimension) { foreach (@dimension) {
$index[$count++]=$ind % $_; $index[$count++]=$ind % $_;
$ind /= $_; $ind /= $_;
} }
return @index; return @index;
} }
#line 3093 "Primitive.pm" #line 3086 "Primitive.pm"
#line 1058 "../../blib/lib/PDL/PP.pm" #line 1058 "../../blib/lib/PDL/PP.pm"
=head2 which =head2 which
=for sig =for sig
Signature: (mask(n); indx [o] inds(m)) Signature: (mask(n); indx [o] inds(m))
=for ref =for ref
skipping to change at line 2671 skipping to change at line 2668
[0 1 2 3 4 5 6 7 8 9] [0 1 2 3 4 5 6 7 8 9]
pdl> $indx = which($x>6); p $indx pdl> $indx = which($x>6); p $indx
[7 8 9] [7 8 9]
=for bad =for bad
which processes bad values. which processes bad values.
It will set the bad-value flag of all output ndarrays if the flag is set for any of the input ndarrays. It will set the bad-value flag of all output ndarrays if the flag is set for any of the input ndarrays.
=cut =cut
#line 3159 "Primitive.pm" #line 3152 "Primitive.pm"
#line 1059 "../../blib/lib/PDL/PP.pm" #line 1059 "../../blib/lib/PDL/PP.pm"
sub which { my ($this,$out) = @_; sub which { my ($this,$out) = @_;
$this = $this->flat; $this = $this->flat;
$out //= $this->nullcreate; $out //= $this->nullcreate;
PDL::_which_int($this,$out); PDL::_which_int($this,$out);
return $out; return $out;
} }
*PDL::which = \&which; *PDL::which = \&which;
#line 3172 "Primitive.pm" #line 3165 "Primitive.pm"
#line 1060 "../../blib/lib/PDL/PP.pm" #line 1060 "../../blib/lib/PDL/PP.pm"
*which = \&PDL::which; *which = \&PDL::which;
#line 3179 "Primitive.pm" #line 3172 "Primitive.pm"
#line 1058 "../../blib/lib/PDL/PP.pm" #line 1058 "../../blib/lib/PDL/PP.pm"
=head2 which_both =head2 which_both
=for sig =for sig
Signature: (mask(n); indx [o] inds(m); indx [o]notinds(q)) Signature: (mask(n); indx [o] inds(m); indx [o]notinds(q))
=for ref =for ref
skipping to change at line 2722 skipping to change at line 2719
pdl> ($big, $small) = which_both($x >= 5); p "$big\n$small" pdl> ($big, $small) = which_both($x >= 5); p "$big\n$small"
[5 6 7 8 9] [5 6 7 8 9]
[0 1 2 3 4] [0 1 2 3 4]
=for bad =for bad
which_both processes bad values. which_both processes bad values.
It will set the bad-value flag of all output ndarrays if the flag is set for any of the input ndarrays. It will set the bad-value flag of all output ndarrays if the flag is set for any of the input ndarrays.
=cut =cut
#line 3222 "Primitive.pm" #line 3215 "Primitive.pm"
#line 1059 "../../blib/lib/PDL/PP.pm" #line 1059 "../../blib/lib/PDL/PP.pm"
sub which_both { my ($this,$outi,$outni) = @_; sub which_both { my ($this,$outi,$outni) = @_;
$this = $this->flat; $this = $this->flat;
$outi //= $this->nullcreate; $outi //= $this->nullcreate;
$outni //= $this->nullcreate; $outni //= $this->nullcreate;
PDL::_which_both_int($this,$outi,$outni); PDL::_which_both_int($this,$outi,$outni);
return wantarray ? ($outi,$outni) : $outi; return wantarray ? ($outi,$outni) : $outi;
} }
*PDL::which_both = \&which_both; *PDL::which_both = \&which_both;
#line 3236 "Primitive.pm" #line 3229 "Primitive.pm"
#line 1060 "../../blib/lib/PDL/PP.pm" #line 1060 "../../blib/lib/PDL/PP.pm"
*which_both = \&PDL::which_both; *which_both = \&PDL::which_both;
#line 3243 "Primitive.pm" #line 3236 "Primitive.pm"
#line 3101 "primitive.pd" #line 2984 "primitive.pd"
=head2 where =head2 where
=for ref =for ref
Use a mask to select values from one or more data PDLs Use a mask to select values from one or more data PDLs
C<where> accepts one or more data ndarrays and a mask ndarray. It C<where> accepts one or more data ndarrays and a mask ndarray. It
returns a list of output ndarrays, corresponding to the input data returns a list of output ndarrays, corresponding to the input data
ndarrays. Each output ndarray is a 1-dimensional list of values in its ndarrays. Each output ndarray is a 1-dimensional list of values in its
skipping to change at line 2806 skipping to change at line 2803
if($_[-1]->getndims > 1) { if($_[-1]->getndims > 1) {
my $mask = $_[-1]->clump(-1)->which; my $mask = $_[-1]->clump(-1)->which;
return map {$_->clump(-1)->index($mask)} @_[0..$#_-1]; return map {$_->clump(-1)->index($mask)} @_[0..$#_-1];
} else { } else {
my $mask = $_[-1]->which; my $mask = $_[-1]->which;
return map {$_->index($mask)} @_[0..$#_-1]; return map {$_->index($mask)} @_[0..$#_-1];
} }
} }
} }
*where = \&PDL::where; *where = \&PDL::where;
#line 3312 "Primitive.pm" #line 3305 "Primitive.pm"
#line 3169 "primitive.pd" #line 3052 "primitive.pd"
=head2 where_both =head2 where_both
=for ref =for ref
Returns slices (non-zero in mask, zero) of an ndarray according to a mask Returns slices (non-zero in mask, zero) of an ndarray according to a mask
=for usage =for usage
($match_vals, $non_match_vals) = where_both($pdl, $mask); ($match_vals, $non_match_vals) = where_both($pdl, $mask);
skipping to change at line 2844 skipping to change at line 2841
=cut =cut
sub PDL::where_both { sub PDL::where_both {
barf "Usage: where_both(\$pdl, \$mask)\n" if @_ != 2; barf "Usage: where_both(\$pdl, \$mask)\n" if @_ != 2;
my ($arr, $mask) = @_; # $mask has 0==false, 1==true my ($arr, $mask) = @_; # $mask has 0==false, 1==true
my $arr_flat = $arr->clump(-1); my $arr_flat = $arr->clump(-1);
map $arr_flat->index1d($_), PDL::which_both($mask); map $arr_flat->index1d($_), PDL::which_both($mask);
} }
*where_both = \&PDL::where_both; *where_both = \&PDL::where_both;
#line 3352 "Primitive.pm" #line 3345 "Primitive.pm"
#line 3207 "primitive.pd" #line 3090 "primitive.pd"
=head2 whereND =head2 whereND
=for ref =for ref
C<where> with support for ND masks and broadcasting C<where> with support for ND masks and broadcasting
C<whereND> accepts one or more data ndarrays and a C<whereND> accepts one or more data ndarrays and a
mask ndarray. It returns a list of output ndarrays, mask ndarray. It returns a list of output ndarrays,
corresponding to the input data ndarrays. The values corresponding to the input data ndarrays. The values
skipping to change at line 2924 skipping to change at line 2921
foreach ( dims($mask) ) { shift(@idims) }; foreach ( dims($mask) ) { shift(@idims) };
my $ndim = 0; my $ndim = 0;
foreach my $id ($n, @idims[0..($#idims-1)]) { foreach my $id ($n, @idims[0..($#idims-1)]) {
$where_sub_i = $where_sub_i->splitdim($ndim++,$id) if $n>0; $where_sub_i = $where_sub_i->splitdim($ndim++,$id) if $n>0;
} }
push @to_return, $where_sub_i; push @to_return, $where_sub_i;
} }
return (@to_return == 1) ? $to_return[0] : @to_return; return (@to_return == 1) ? $to_return[0] : @to_return;
} }
*whereND = \&PDL::whereND; *whereND = \&PDL::whereND;
#line 3434 "Primitive.pm" #line 3427 "Primitive.pm"
#line 3288 "primitive.pd" #line 3171 "primitive.pd"
=head2 whichND =head2 whichND
=for ref =for ref
Return the coordinates of non-zero values in a mask. Return the coordinates of non-zero values in a mask.
=for usage =for usage
WhichND returns the N-dimensional coordinates of each nonzero value in WhichND returns the N-dimensional coordinates of each nonzero value in
skipping to change at line 3029 skipping to change at line 3026
} }
for my $i (0..$#mdims) { for my $i (0..$#mdims) {
my($s) = $ind->index($i); my($s) = $ind->index($i);
$s /= $mult->index($i); $s /= $mult->index($i);
$s %= $mdims[$i]; $s %= $mdims[$i];
} }
return $ind; return $ind;
} }
#line 3541 "Primitive.pm" #line 3534 "Primitive.pm"
#line 3397 "primitive.pd" #line 3280 "primitive.pd"
=head2 setops =head2 setops
=for ref =for ref
Implements simple set operations like union and intersection Implements simple set operations like union and intersection
=for usage =for usage
Usage: $set = setops($x, <OPERATOR>, $y); Usage: $set = setops($x, <OPERATOR>, $y);
skipping to change at line 3211 skipping to change at line 3208
# Make ordered list of set union. # Make ordered list of set union.
my $union = append($x, $y)->qsort; my $union = append($x, $y)->qsort;
return $union->where($union == rotate($union, -1)); return $union->where($union == rotate($union, -1));
} else { } else {
print "The operation $op is not known!"; print "The operation $op is not known!";
return -1; return -1;
} }
} }
#line 3726 "Primitive.pm" #line 3719 "Primitive.pm"
#line 3580 "primitive.pd" #line 3463 "primitive.pd"
=head2 intersect =head2 intersect
=for ref =for ref
Calculate the intersection of two ndarrays Calculate the intersection of two ndarrays
=for usage =for usage
Usage: $set = intersect($x, $y); Usage: $set = intersect($x, $y);
skipping to change at line 3248 skipping to change at line 3245
=cut =cut
*intersect = \&PDL::intersect; *intersect = \&PDL::intersect;
sub PDL::intersect { sub PDL::intersect {
return setops($_[0], 'AND', $_[1]); return setops($_[0], 'AND', $_[1]);
} }
#line 3765 "Primitive.pm" #line 3758 "Primitive.pm"
#line 3616 "primitive.pd" #line 3499 "primitive.pd"
=head1 AUTHOR =head1 AUTHOR
Copyright (C) Tuomas J. Lukka 1997 (lukka@husc.harvard.edu). Contributions Copyright (C) Tuomas J. Lukka 1997 (lukka@husc.harvard.edu). Contributions
by Christian Soeller (c.soeller@auckland.ac.nz), Karl Glazebrook by Christian Soeller (c.soeller@auckland.ac.nz), Karl Glazebrook
(kgb@aaoepp.aao.gov.au), Craig DeForest (deforest@boulder.swri.edu) (kgb@aaoepp.aao.gov.au), Craig DeForest (deforest@boulder.swri.edu)
and Jarle Brinchmann (jarle@astro.up.pt) and Jarle Brinchmann (jarle@astro.up.pt)
All rights reserved. There is no warranty. You are allowed All rights reserved. There is no warranty. You are allowed
to redistribute this software / documentation under certain to redistribute this software / documentation under certain
conditions. For details, see the file COPYING in the PDL conditions. For details, see the file COPYING in the PDL
distribution. If this file is separated from the PDL distribution, distribution. If this file is separated from the PDL distribution,
the copyright notice should be included in the file. the copyright notice should be included in the file.
Updated for CPAN viewing compatibility by David Mertens. Updated for CPAN viewing compatibility by David Mertens.
=cut =cut
#line 3789 "Primitive.pm" #line 3782 "Primitive.pm"
# Exit with OK status # Exit with OK status
1; 1;
 End of changes. 117 change blocks. 
121 lines changed or deleted 118 lines changed or added

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