Name

SPVM::R::OP::Float - N-Dimensional Array Operations for R::NDArray::Float

Description

R::OP::Float class in SPVM has methods for n-dimensional array operations for R::NDArray::Float.

Usage

use R::OP::Float as FOP;

my $ndarray_scalar = FOP->c((float)1);

my $ndarray_vector = FOP->c([(float)1, 2, 3]);

my $ndarray = FOP->c([(float)1, 2, 3, 4, 5, 6], [3, 2]);

my $ndarray2 = FOP->c($ndarray);

Class Methods

c

static method c : R::NDArray::Float ($data : object of Float|float[]|R::NDArray::Float, $dim : int[] = undef);

Creates a new R::NDArray::Float object given the data $data and the dimensions $dim.

Implemetation:

If $data is defined and the type of $data is Float, $data is set to [(float)$data-(Float)]>.

If $data is defined and the type of $data is R::NDArray::Float, $dim is set to $data->(R::NDArray::Float)->dim unless $dim is defined and $data is set to $data->(R::NDArray::Float)->data.

And this method calls R::NDArray::Float#new method given $dim and $data.

Exceptions:

The type of the data $data must be Float, float[], or R::NDArray::Float if defined. Othrewise, an exception is thrown. =head2 add

static method add : R::NDArray::Float ($x_ndarray : R::NDArray::Float, $y_ndarray : R::NDArray::Float);

Creates a new R::NDArray::Float object of the same dimensions as the n-dimensional array $x_ndarray for a return value, performs addition + operation on each element of the n-dimensional array $x_ndarray and $y_ndarray, and sets each element of the new n-dimensional array to the each operation result, and returns the new n-dimensional array.

Exceptions:

The n-dimensional array $x_ndarray must be defined. Otherwise, an exception is thrown.

The n-dimensional array $y_ndarray must be defined. Otherwise, an exception is thrown.

The dimensions of $x_ndarray must be equal to the dimensions of $y_ndarray. Otherwise, an exception is thrown.

sub

static method sub : R::NDArray::Float ($x_ndarray : R::NDArray::Float, $y_ndarray : R::NDArray::Float);

Creates a new R::NDArray::Float object of the same dimensions as the n-dimensional array $x_ndarray for a return value, performs subtraction - operation on each element of the n-dimensional array $x_ndarray and $y_ndarray, and sets each element of the new n-dimensional array to the each operation result, and returns the new n-dimensional array.

Exceptions:

The n-dimensional array $x_ndarray must be defined. Otherwise, an exception is thrown.

The n-dimensional array $y_ndarray must be defined. Otherwise, an exception is thrown.

The dimensions of $x_ndarray must be equal to the dimensions of $y_ndarray. Otherwise, an exception is thrown.

mul

static method mul : R::NDArray::Float ($y_ndarray : R::NDArray::Float, $x_ndarray : R::NDArray::Float);

Creates a new R::NDArray::Float object of the same dimensions as the n-dimensional array $x_ndarray for a return value, performs multiplication * operation on each element of the n-dimensional array $x_ndarray and $y_ndarray, and sets each element of the new n-dimensional array to the each operation result, and returns the new n-dimensional array.

Exceptions:

The n-dimensional array $x_ndarray must be defined. Otherwise, an exception is thrown.

The n-dimensional array $y_ndarray must be defined. Otherwise, an exception is thrown.

The dimensions of $x_ndarray must be equal to the dimensions of $y_ndarray. Otherwise, an exception is thrown.

scamul

static method scamul : R::NDArray::Float ($x_ndarray : R::NDArray::Float, $scalar_ndarray : R::NDArray::Float);

Creates a new R::NDArray::Float object of the same dimensions as the n-dimensional array $x_ndarray for a return value, performs multiplication * operation on each element of the n-dimensional array $x_ndarray, and sets each element of the new n-dimensional array and the n-dimensional array $scalar_ndarray at data index 0 to the each operation result, and returns the new n-dimensional array.

Exceptions:

The n-dimensional array $scalar_ndarray must be defined. Otherwise, an exception is thrown.

The n-dmension array $scalar_ndarray must be a scalar.

The n-dimensional array $x_ndarray must be defined. Otherwise, an exception is thrown.

div

static method div : R::NDArray::Float ($x_ndarray : R::NDArray::Float, $y_ndarray : R::NDArray::Float);

Creates a new R::NDArray::Float object of the same dimensions as the n-dimensional array $x_ndarray for a return value, performs division / operation on each element of the n-dimensional array $x_ndarray and $y_ndarray, and sets each element of the new n-dimensional array to the each operation result, and returns the new n-dimensional array.

Exceptions:

The n-dimensional array $x_ndarray must be defined. Otherwise, an exception is thrown.

The n-dimensional array $y_ndarray must be defined. Otherwise, an exception is thrown.

The dimensions of $x_ndarray must be equal to the dimensions of $y_ndarray. Otherwise, an exception is thrown.

scadiv

static method scadiv : R::NDArray::Float ($x_ndarray : R::NDArray::Float, $scalar_ndarray : R::NDArray::Float);

Creates a new R::NDArray::Float object of the same dimensions as the n-dimensional array $x_ndarray for a return value, performs division / operations on the n-dimensional array $scalar_ndarray at data index 0 and each element of the n-dimensional array $x_ndarray, and sets each element of the new n-dimensional array to the each operation result, and returns the new n-dimensional array.

Exceptions:

The n-dimensional array $scalar_ndarray must be defined. Otherwise, an exception is thrown.

The n-dmension array $scalar_ndarray must be a scalar.

The n-dimensional array $x_ndarray must be defined. Otherwise, an exception is thrown.

neg

static method neg : R::NDArray::Float ($x_ndarray : R::NDArray::Float);

Creates a new R::NDArray::Float object of the same dimensions as the n-dimensional array $x_ndarray for a return value, performs negation - operation on each element of the n-dimensional array $x_ndarray, and sets each element of the new n-dimensional array to the each operation result, and returns the new n-dimensional array.

Exceptions:

The n-dimensional array $x_ndarray must be defined. Otherwise, an exception is thrown.

abs

static method abs : R::NDArray::Float ($x_ndarray : R::NDArray::Float);

Creates a new R::NDArray::Float object of the same dimensions as the n-dimensional array $x_ndarray for a return value, performs Math#fabsf method on each element of the n-dimensional array $x_ndarray, and sets each element of the new n-dimensional array to the each operation result, and returns the new n-dimensional array.

Exceptions:

The n-dimensional array $x_ndarray must be defined. Otherwise, an exception is thrown.

eq

static method eq : R::NDArray::Int ($x_ndarray : R::NDArray::Float, $y_ndarray : R::NDArray::Float);

Creates a new R::NDArray::Int object of the same dimensions as the n-dimensional array $x_ndarray for a return value, performs numeric comparison == operation on each element of the n-dimensional array $x_ndarray and $y_ndarray, and sets each element of the new n-dimensional array to the each operation result, and returns the new n-dimensional array.

Exceptions:

The n-dimensional array $x_ndarray must be defined. Otherwise, an exception is thrown.

The n-dimensional array $y_ndarray must be defined. Otherwise, an exception is thrown.

The dimensions of $x_ndarray must be equal to the dimensions of $y_ndarray. Otherwise, an exception is thrown.

ne

static method ne : R::NDArray::Int ($x_ndarray : R::NDArray::Float, $y_ndarray : R::NDArray::Float);

Creates a new R::NDArray::Int object of the same dimensions as the n-dimensional array $x_ndarray for a return value, performs numeric comparison != operation on each element of the n-dimensional array $x_ndarray and $y_ndarray, and sets each element of the new n-dimensional array to the each operation result, and returns the new n-dimensional array.

Exceptions:

The n-dimensional array $x_ndarray must be defined. Otherwise, an exception is thrown.

The n-dimensional array $y_ndarray must be defined. Otherwise, an exception is thrown.

The dimensions of $x_ndarray must be equal to the dimensions of $y_ndarray. Otherwise, an exception is thrown.

gt

static method gt : R::NDArray::Int ($x_ndarray : R::NDArray::Float, $y_ndarray : R::NDArray::Float);

Creates a new R::NDArray::Int object of the same dimensions as the n-dimensional array $x_ndarray for a return value, performs numeric comparison > operation on each element of the n-dimensional array $x_ndarray and $y_ndarray, and sets each element of the new n-dimensional array to the each operation result, and returns the new n-dimensional array.

Exceptions:

The n-dimensional array $x_ndarray must be defined. Otherwise, an exception is thrown.

The n-dimensional array $y_ndarray must be defined. Otherwise, an exception is thrown.

The dimensions of $x_ndarray must be equal to the dimensions of $y_ndarray. Otherwise, an exception is thrown.

ge

static method ge : R::NDArray::Int ($x_ndarray : R::NDArray::Float, $y_ndarray : R::NDArray::Float);

Creates a new R::NDArray::Int object of the same dimensions as the n-dimensional array $x_ndarray for a return value, performs numeric comparison >= operation on each element of the n-dimensional array $x_ndarray and $y_ndarray, and sets each element of the new n-dimensional array to the each operation result, and returns the new n-dimensional array.

Exceptions:

The n-dimensional array $x_ndarray must be defined. Otherwise, an exception is thrown.

The n-dimensional array $y_ndarray must be defined. Otherwise, an exception is thrown.

The dimensions of $x_ndarray must be equal to the dimensions of $y_ndarray. Otherwise, an exception is thrown.

lt

static method lt : R::NDArray::Int ($x_ndarray : R::NDArray::Float, $y_ndarray : R::NDArray::Float);

Creates a new R::NDArray::Int object of the same dimensions as the n-dimensional array $x_ndarray for a return value, performs numeric comparison < operation on each element of the n-dimensional array $x_ndarray and $y_ndarray, and sets each element of the new n-dimensional array to the each operation result, and returns the new n-dimensional array.

Exceptions:

The n-dimensional array $x_ndarray must be defined. Otherwise, an exception is thrown.

The n-dimensional array $y_ndarray must be defined. Otherwise, an exception is thrown.

The dimensions of $x_ndarray must be equal to the dimensions of $y_ndarray. Otherwise, an exception is thrown.

le

static method le : R::NDArray::Int ($x_ndarray : R::NDArray::Float, $y_ndarray : R::NDArray::Float);

Creates a new R::NDArray::Int object of the same dimensions as the n-dimensional array $x_ndarray for a return value, performs numeric comparison <= operation on each element of the n-dimensional array $x_ndarray and $y_ndarray, and sets each element of the new n-dimensional array to the each operation result, and returns the new n-dimensional array.

Exceptions:

The n-dimensional array $x_ndarray must be defined. Otherwise, an exception is thrown.

The n-dimensional array $y_ndarray must be defined. Otherwise, an exception is thrown.

The dimensions of $x_ndarray must be equal to the dimensions of $y_ndarray. Otherwise, an exception is thrown.

rep

static method rep : R::NDArray::Float ($x_ndarray : R::NDArray::Float, $times : int);

Same as R::OP#rep method, but the return type is different.

rep_length

static method rep_length : R::NDArray::Float ($x_ndarray : R::NDArray::Float, $length : int);

Same as R::OP#rep_length method, but the return type is different.

seq

static method seq : R::NDArray::Float ($begin : float, $end : float, $by : float = 1);

Creates a R::NDArray::Float object from $bigin to $end at intervals of $by.

Exceptions:

$by must not be 0. Otherwise, an exception is thrown.

If $by is greater than 0 and $end is not greater than or equal to $begin, an exception is thrown.

If $by is less than 0 and $end Is not greater than or equal to $begin, an exception is thrown.

seq_length

static method seq_length : R::NDArray::Float ($begin : float, $end : float, $length : int); Creates a R::NDArray::Float object from $bigin to $end up to length $length.

An interval $by is calcurated by (($end - $begin + 1) / $length).

This method calls "seq" method given $by.

Exceptions:

Exceptions thrown by "seq" method could be thronw.

sin

static method sin : R::NDArray::Float ($x_ndarray : R::NDArray::Float);

Creates a new R::NDArray::Float object of the same dimensions as the n-dimensional array $x_ndarray for a return value, performs Math#sinf method on each element of the n-dimensional array $x_ndarray, and sets each element of the new n-dimensional array to the each operation result, and returns the new n-dimensional array.

Exceptions:

The n-dimensional array $x_ndarray must be defined. Otherwise, an exception is thrown.

cos

static method cos : R::NDArray::Float ($x_ndarray : R::NDArray::Float);

Creates a new R::NDArray::Float object of the same dimensions as the n-dimensional array $x_ndarray for a return value, performs Math#cosf method on each element of the n-dimensional array $x_ndarray, and sets each element of the new n-dimensional array to the each operation result, and returns the new n-dimensional array. Exceptions:

The n-dimensional array $x_ndarray must be defined. Otherwise, an exception is thrown.

tan

static method tan : R::NDArray::Float ($x_ndarray : R::NDArray::Float);

Creates a new R::NDArray::Float object of the same dimensions as the n-dimensional array $x_ndarray for a return value, performs Math#tanf method on each element of the n-dimensional array $x_ndarray, and sets each element of the new n-dimensional array to the each operation result, and returns the new n-dimensional array. Exceptions:

The n-dimensional array $x_ndarray must be defined. Otherwise, an exception is thrown.

sinh

static method sinh : R::NDArray::Float ($x_ndarray : R::NDArray::Float);

Creates a new R::NDArray::Float object of the same dimensions as the n-dimensional array $x_ndarray for a return value, performs Math#sinhf method on each element of the n-dimensional array $x_ndarray, and sets each element of the new n-dimensional array to the each operation result, and returns the new n-dimensional array.

Exceptions:

The n-dimensional array $x_ndarray must be defined. Otherwise, an exception is thrown.

cosh

static method cosh : R::NDArray::Float ($x_ndarray : R::NDArray::Float);

Creates a new R::NDArray::Float object of the same dimensions as the n-dimensional array $x_ndarray for a return value, performs Math#coshf method on each element of the n-dimensional array $x_ndarray, and sets each element of the new n-dimensional array to the each operation result, and returns the new n-dimensional array.

Exceptions:

The n-dimensional array $x_ndarray must be defined. Otherwise, an exception is thrown.

tanh

static method tanh : R::NDArray::Float ($x_ndarray : R::NDArray::Float);

Creates a new R::NDArray::Float object of the same dimensions as the n-dimensional array $x_ndarray for a return value, performs Math#tanhf method on each element of the n-dimensional array $x_ndarray, and sets each element of the new n-dimensional array to the each operation result, and returns the new n-dimensional array.

Exceptions:

The n-dimensional array $x_ndarray must be defined. Otherwise, an exception is thrown.

acos

static method acos : R::NDArray::Float ($x_ndarray : R::NDArray::Float);

Creates a new R::NDArray::Float object of the same dimensions as the n-dimensional array $x_ndarray for a return value, performs Math#acosf method on each element of the n-dimensional array $x_ndarray, and sets each element of the new n-dimensional array to the each operation result, and returns the new n-dimensional array.

Exceptions:

The n-dimensional array $x_ndarray must be defined. Otherwise, an exception is thrown.

asin

static method asin : R::NDArray::Float ($x_ndarray : R::NDArray::Float);

Creates a new R::NDArray::Float object of the same dimensions as the n-dimensional array $x_ndarray for a return value, performs Math#asinf method on each element of the n-dimensional array $x_ndarray, and sets each element of the new n-dimensional array to the each operation result, and returns the new n-dimensional array.

Exceptions:

The n-dimensional array $x_ndarray must be defined. Otherwise, an exception is thrown.

atan

static method atan : R::NDArray::Float ($x_ndarray : R::NDArray::Float);

Creates a new R::NDArray::Float object of the same dimensions as the n-dimensional array $x_ndarray for a return value, performs Math#atanf method on each element of the n-dimensional array $x_ndarray, and sets each element of the new n-dimensional array to the each operation result, and returns the new n-dimensional array.

Exceptions:

The n-dimensional array $x_ndarray must be defined. Otherwise, an exception is thrown.

asinh

static method asinh : R::NDArray::Float ($x_ndarray : R::NDArray::Float);

Creates a new R::NDArray::Float object of the same dimensions as the n-dimensional array $x_ndarray for a return value, performs Math#asinhf method on each element of the n-dimensional array $x_ndarray, and sets each element of the new n-dimensional array to the each operation result, and returns the new n-dimensional array.

Exceptions:

The n-dimensional array $x_ndarray must be defined. Otherwise, an exception is thrown.

acosh

static method acosh : R::NDArray::Float ($x_ndarray : R::NDArray::Float);

Creates a new R::NDArray::Float object of the same dimensions as the n-dimensional array $x_ndarray for a return value, performs Math#acoshf method on each element of the n-dimensional array $x_ndarray, and sets each element of the new n-dimensional array to the each operation result, and returns the new n-dimensional array.

Exceptions:

The n-dimensional array $x_ndarray must be defined. Otherwise, an exception is thrown.

atanh

static method atanh : R::NDArray::Float ($x_ndarray : R::NDArray::Float);

Creates a new R::NDArray::Float object of the same dimensions as the n-dimensional array $x_ndarray for a return value, performs Math#atanhf method on each element of the n-dimensional array $x_ndarray, and sets each element of the new n-dimensional array to the each operation result, and returns the new n-dimensional array.

Exceptions:

The n-dimensional array $x_ndarray must be defined. Otherwise, an exception is thrown.

exp

static method exp : R::NDArray::Float ($x_ndarray : R::NDArray::Float);

Creates a new R::NDArray::Float object of the same dimensions as the n-dimensional array $x_ndarray for a return value, performs Math#expf method on each element of the n-dimensional array $x_ndarray, and sets each element of the new n-dimensional array to the each operation result, and returns the new n-dimensional array.

Exceptions:

The n-dimensional array $x_ndarray must be defined. Otherwise, an exception is thrown.

expm1

static method expm1 : R::NDArray::Float ($x_ndarray : R::NDArray::Float);

Creates a new R::NDArray::Float object of the same dimensions as the n-dimensional array $x_ndarray for a return value, performs Math#expm1f method on each element of the n-dimensional array $x_ndarray, and sets each element of the new n-dimensional array to the each operation result, and returns the new n-dimensional array.

Exceptions:

The n-dimensional array $x_ndarray must be defined. Otherwise, an exception is thrown.

log

static method log : R::NDArray::Float ($x_ndarray : R::NDArray::Float);

Creates a new R::NDArray::Float object of the same dimensions as the n-dimensional array $x_ndarray for a return value, performs Math#logf method on each element of the n-dimensional array $x_ndarray, and sets each element of the new n-dimensional array to the each operation result, and returns the new n-dimensional array. Exceptions:

The n-dimensional array $x_ndarray must be defined. Otherwise, an exception is thrown.

logb

static method logb : R::NDArray::Float ($x_ndarray : R::NDArray::Float);

Creates a new R::NDArray::Float object of the same dimensions as the n-dimensional array $x_ndarray for a return value, performs Math#logbf method on each element of the n-dimensional array $x_ndarray, and sets each element of the new n-dimensional array to the each operation result, and returns the new n-dimensional array.

Exceptions:

The n-dimensional array $x_ndarray must be defined. Otherwise, an exception is thrown.

log2

static method log2 : R::NDArray::Float ($x_ndarray : R::NDArray::Float);

Creates a new R::NDArray::Float object of the same dimensions as the n-dimensional array $x_ndarray for a return value, performs Math#log2f method on each element of the n-dimensional array $x_ndarray, and sets each element of the new n-dimensional array to the each operation result, and returns the new n-dimensional array.

Exceptions:

The n-dimensional array $x_ndarray must be defined. Otherwise, an exception is thrown.

log10

static method log10 : R::NDArray::Float ($x_ndarray : R::NDArray::Float);

Creates a new R::NDArray::Float object of the same dimensions as the n-dimensional array $x_ndarray for a return value, performs Math#log10f method on each element of the n-dimensional array $x_ndarray, and sets each element of the new n-dimensional array to the each operation result, and returns the new n-dimensional array.

Exceptions:

The n-dimensional array $x_ndarray must be defined. Otherwise, an exception is thrown.

sqrt

static method sqrt : R::NDArray::Float ($x_ndarray : R::NDArray::Float);

Creates a new R::NDArray::Float object of the same dimensions as the n-dimensional array $x_ndarray for a return value, performs Math#sqrtf method on each element of the n-dimensional array $x_ndarray, and sets each element of the new n-dimensional array to the each operation result, and returns the new n-dimensional array.

Exceptions:

The n-dimensional array $x_ndarray must be defined. Otherwise, an exception is thrown.

isinf

static method isinf : R::NDArray::Int ($x_ndarray : R::NDArray::Float);

Creates a new R::NDArray::Float object of the same dimensions as the n-dimensional array $x_ndarray for a return value, performs Math#isinff method on each element of the n-dimensional array $x_ndarray, and sets each element of the new n-dimensional array to the each operation result, and returns the new n-dimensional array.

Exceptions:

The n-dimensional array $x_ndarray must be defined. Otherwise, an exception is thrown.

is_infinite

static method is_infinite : R::NDArray::Int ($x_ndarray : R::NDArray::Float);

Same as "isinf" method.

is_finite

static method is_finite : R::NDArray::Int ($x_ndarray : R::NDArray::Float);

Creates a new R::NDArray::Float object of the same dimensions as the n-dimensional array $x_ndarray for a return value, checks if the value is finite on each element of the n-dimensional array $x_ndarray, and sets each element of the new n-dimensional array to the each operation result, and returns the new n-dimensional array.

Implementation:

Returns R::OP::Int->and(R::OP::Int->not(&isnan($x_ndarray)), R::OP::Int->not(&is_infinite($x_ndarray))).

isnan

static method isnan : R::NDArray::Int ($x_ndarray : R::NDArray::Float);

Creates a new R::NDArray::Float object of the same dimensions as the n-dimensional array $x_ndarray for a return value, performs Math#isnanf method on each element of the n-dimensional array $x_ndarray, and sets each element of the new n-dimensional array to the each operation result, and returns the new n-dimensional array.

Exceptions:

The n-dimensional array $x_ndarray must be defined. Otherwise, an exception is thrown.

is_nan

static method is_nan : R::NDArray::Int ($x_ndarray : R::NDArray::Float);

Same as "isnan" method.

pow

static method pow : R::NDArray::Float ($x_ndarray : R::NDArray::Float, $y_ndarray : R::NDArray::Float);

Creates a new R::NDArray::Float object of the same dimensions as the n-dimensional array $x_ndarray for a return value, performs Math#powf method given each element of the n-dimensional array $x_ndarray and $y_ndarray, and sets each element of the new n-dimensional array to the each operation result, and returns the new n-dimensional array.

Exceptions:

The n-dimensional array $x_ndarray must be defined. Otherwise, an exception is thrown.

The n-dimensional array $y_ndarray must be defined. Otherwise, an exception is thrown.

The dimensions of $x_ndarray must be equal to the dimensions of $y_ndarray. Otherwise, an exception is thrown.

atan2

static method atan2 : R::NDArray::Float ($y_ndarray : R::NDArray::Float, $x_ndarray : R::NDArray::Float);

Creates a new R::NDArray::Float object of the same dimensions as the n-dimensional array $x_ndarray for a return value, performs Math#atan2f method given each element of the n-dimensional array $y_ndarray and $x_ndarray, and sets each element of the new n-dimensional array to the each operation result, and returns the new n-dimensional array.

Exceptions:

The n-dimensional array $x_ndarray must be defined. Otherwise, an exception is thrown.

The n-dimensional array $y_ndarray must be defined. Otherwise, an exception is thrown.

The dimensions of $x_ndarray must be equal to the dimensions of $y_ndarray. Otherwise, an exception is thrown.

modf

static method modf : R::NDArray::Float ($x_ndarray : R::NDArray::Float, $intpart_ndarray_ref : R::NDArray::Float[]);

Creates a new R::NDArray::Float object of the same dimensions as the n-dimensional array $x_ndarray for a return value, performs Math#modff method given each element of the n-dimensional array $x_ndarray and $intpart_ndarray_ref, and sets each element of the new n-dimensional array to the each operation result, and returns the new n-dimensional array.

Exceptions:

The n-dimensional array $x_ndarray must be defined. Otherwise, an exception is thrown.

The array of the n-dimensional array $intpart_ndarray_ref must be defined. Otherwise, an exception is thrown.

The integer part n-dimensional array $intpart_ndarray_ref must be defined. Otherwise, an exception is thrown.

The length of integer part n-dimensional array $intpart_ndarray_ref must be 1. Otherwise, an exception is thrown.

ceil

static method ceil : R::NDArray::Float ($x_ndarray : R::NDArray::Float);

Creates a new R::NDArray::Float object of the same dimensions as the n-dimensional array $x_ndarray for a return value, performs Math#ceilf method on each element of the n-dimensional array $x_ndarray, and sets each element of the new n-dimensional array to the each operation result, and returns the new n-dimensional array.

Exceptions:

The n-dimensional array $x_ndarray must be defined. Otherwise, an exception is thrown.

ceiling

static method ceiling : R::NDArray::Float ($x_ndarray : R::NDArray::Float);

Same as "ceil" method.

floor

static method floor : R::NDArray::Float ($x_ndarray : R::NDArray::Float);

Creates a new R::NDArray::Float object of the same dimensions as the n-dimensional array $x_ndarray for a return value, performs Math#floorf method on each element of the n-dimensional array $x_ndarray, and sets each element of the new n-dimensional array to the each operation result, and returns the new n-dimensional array.

Exceptions:

The n-dimensional array $x_ndarray must be defined. Otherwise, an exception is thrown.

round

static method round : R::NDArray::Float ($x_ndarray : R::NDArray::Float);

Creates a new R::NDArray::Float object of the same dimensions as the n-dimensional array $x_ndarray for a return value, performs Math#roundf method on each element of the n-dimensional array $x_ndarray, and sets each element of the new n-dimensional array to the each operation result, and returns the new n-dimensional array.

Exceptions:

The n-dimensional array $x_ndarray must be defined. Otherwise, an exception is thrown.

lround

static method lround : R::NDArray::Long ($x_ndarray : R::NDArray::Float);

Creates a new R::NDArray::Long object of the same dimensions as the n-dimensional array $x_ndarray for a return value, performs Math#lroundf method on each element of the n-dimensional array $x_ndarray, and sets each element of the new n-dimensional array to the each operation result, and returns the new n-dimensional array.

Exceptions:

The n-dimensional array $x_ndarray must be defined. Otherwise, an exception is thrown.

remainder

static method remainder : R::NDArray::Float ($x_ndarray : R::NDArray::Float, $y_ndarray : R::NDArray::Float);

Creates a new R::NDArray::Float object of the same dimensions as the n-dimensional array $x_ndarray for a return value, performs Math#remainderf method on on each element of the n-dimensional array $x_ndarray and $y_ndarray, and sets each element of the new n-dimensional array to the each operation result, and returns the new n-dimensional array.

Exceptions:

The n-dimensional array $x_ndarray must be defined. Otherwise, an exception is thrown.

The n-dimensional array $y_ndarray must be defined. Otherwise, an exception is thrown.

The dimensions of $x_ndarray must be equal to the dimensions of $y_ndarray. Otherwise, an exception is thrown.

fmod

static method fmod : R::NDArray::Float ($x_ndarray : R::NDArray::Float, $y_ndarray : R::NDArray::Float);

Creates a new R::NDArray::Float object of the same dimensions as the n-dimensional array $x_ndarray for a return value, performs Math#fmodf method on on each element of the n-dimensional array $x_ndarray and $y_ndarray, and sets each element of the new n-dimensional array to the each operation result, and returns the new n-dimensional array.

Exceptions:

The n-dimensional array $x_ndarray must be defined. Otherwise, an exception is thrown.

The n-dimensional array $y_ndarray must be defined. Otherwise, an exception is thrown.

The dimensions of $x_ndarray must be equal to the dimensions of $y_ndarray. Otherwise, an exception is thrown.

sum

static method sum : R::NDArray::Float ($x_ndarray : R::NDArray::Float);

Creates a new R::NDArray::Float object with the dimenstion [1] for a return value, calculates the sum of all elements of the n-dimensional array $x_ndarray, and sets the element of the new n-dimensional array to the result, and returns the new n-dimensional array.

Exceptions:

The n-dimensional array $x_ndarray must be defined. Otherwise, an exception is thrown.

cumsum

static method cumsum : R::NDArray::Float ($x_ndarray : R::NDArray::Float);

Creates a new R::NDArray::Float object of the same dimensions as the n-dimensional array $x_ndarray for a return value, calculates the cumulative sum on each element of the n-dimensional array $x_ndarray, and sets each element of the new n-dimensional array to the each operation result, and returns the new n-dimensional array.

Examples are

# data
[(float)3, 1, 4, 1, 5, 9, 2, 6, 5]

# result
[(float)0, 3, 4, 8, 9, 14, 23, 25, 31, 36]

Exceptions:

The n-dimensional array $x_ndarray must be defined. Otherwise, an exception is thrown.

prod

static method prod : R::NDArray::Float ($x_ndarray : R::NDArray::Float);

Creates a new R::NDArray::Float object with the dimenstion [1] for a return value, calculates the production of all elements of the n-dimensional array $x_ndarray, and sets the element of the new n-dimensional array to the result, and returns the new n-dimensional array.

Exceptions:

The n-dimensional array $x_ndarray must be defined. Otherwise, an exception is thrown.

cumprod

static method cumprod : R::NDArray::Float ($x_ndarray : R::NDArray::Float);

Creates a new R::NDArray::Float object of the same dimensions as the n-dimensional array $x_ndarray for a return value, calculates the cumulative product on each element of the n-dimensional array $x_ndarray, and sets each element of the new n-dimensional array to the each operation result, and returns the new n-dimensional array.

Examples are

# data
[(float)2, 3, 4, 5]

# result
[(float)2, 6, 24, 120]

Exceptions:

The n-dimensional array $x_ndarray must be defined. Otherwise, an exception is thrown.

diff

static method diff : R::NDArray::Float ($x_ndarray : R::NDArray::Float);

Creates a new R::NDArray::Float object of the dimensions as the n-dimensional array $x_ndarray minus 1 for a return value, calculats the difference of adjacent elements of the n-dimensional array $x_ndarray, and sets each element of the new n-dimensional array to the each operation result, and returns the new n-dimensional array.

Examples are

# data
[(float)2, 4, 7]

# result
[(float)2, 3]

Exceptions:

The n-dimensional array $x_ndarray must be defined. Otherwise, an exception is thrown.

max

static method max : R::NDArray::Float ($x_ndarray : R::NDArray::Float);

Creates a new R::NDArray::Float object with the dimenstion [1] for a return value, calculates the maximum value of all elements of the n-dimensional array $x_ndarray, and sets the element of the new n-dimensional array to the result, and returns the new n-dimensional array.

Exceptions:

The n-dimensional array $x_ndarray must be defined. Otherwise, an exception is thrown.

min

static method min : R::NDArray::Float ($x_ndarray : R::NDArray::Float);

Creates a new R::NDArray::Float object with the dimenstion [1] for a return value, calculates the minimum value of all elements of the n-dimensional array $x_ndarray, and sets the element of the new n-dimensional array to the result, and returns the new n-dimensional array.

Exceptions:

The n-dimensional array $x_ndarray must be defined. Otherwise, an exception is thrown.

mean

static method mean : R::NDArray::Float ($x_ndarray : R::NDArray::Float);

Creates a new R::NDArray::Float object with the dimenstion [1] for a return value, calculates the mean of all elements of the n-dimensional array $x_ndarray, and sets the element of the new n-dimensional array to the result, and returns the new n-dimensional array.

Exceptions:

The n-dimensional array $x_ndarray must be defined. Otherwise, an exception is thrown.

dot

static method dot : R::NDArray::Float ($x_ndarray : R::NDArray::Float, $y_ndarray : R::NDArray::Float);

Creates a new R::NDArray::Float object of the same dimensions as the n-dimensional array $x_ndarray for a return value, performs dot product of elements of the n-dimensional array $x_ndarray and $y_ndarray, and sets each element of the new n-dimensional array to the each operation result, and returns the new n-dimensional array.

Exceptions:

The n-dimensional array $x_ndarray must be defined. Otherwise, an exception is thrown.

The n-dimensional array $x_ndarray must be a vector. Otherwise, an exception is thrown.

The n-dimensional array $y_ndarray must be defined. Otherwise, an exception is thrown.

The n-dimensional array $y_ndarray must be a vector. Otherwise, an exception is thrown.

The length of the n-dimensional array $x_ndarray must be equal to the length of the n-dimensional array $y_ndarray. Otherwise, an exception is thrown.

cross

static method cross : R::NDArray::Float ($x_ndarray : R::NDArray::Float, $y_ndarray : R::NDArray::Float);

Creates a new R::NDArray::Float object of the same dimensions as the n-dimensional array $x_ndarray for a return value, performs cross product of elements of the n-dimensional array $x_ndarray and $y_ndarray, and sets each element of the new n-dimensional array to the each operation result, and returns the new n-dimensional array. Exceptions:

The n-dimensional array $x_ndarray must be defined. Otherwise, an exception is thrown.

The n-dimensional array $x_ndarray must be a vector. Otherwise, an exception is thrown.

The n-dimensional array $y_ndarray must be defined. Otherwise, an exception is thrown.

The n-dimensional array $y_ndarray must be a vector. Otherwise, an exception is thrown.

The length of the n-dimensional array $x_ndarray must be equal to the length of the n-dimensional array $y_ndarray. Otherwise, an exception is thrown.

The length of n-dimensional array $x_ndarray must be 3.

The length of n-dimensional array $y_ndarray must be 3.

outer

static method outer : R::NDArray::Float ($x_ndarray : R::NDArray::Float, $y_ndarray : R::NDArray::Float);

Creates a new R::NDArray::Float object of the dimensions [$x_dim, $y_dim] ($x_dim is the dimensions of $x_ndarray and $y_dim is the dimensions of $y_ndarray) for a return value, performs outer product of elements of the n-dimensional array $x_ndarray and $y_ndarray, and sets each element of the new n-dimensional array to the each operation result, and returns the new n-dimensional array.

Exceptions:

The n-dimensional array $x_ndarray must be defined. Otherwise, an exception is thrown.

The n-dimensional array $x_ndarray must be a vector. Otherwise, an exception is thrown.

The n-dimensional array $y_ndarray must be defined. Otherwise, an exception is thrown.

The n-dimensional array $y_ndarray must be a vector. Otherwise, an exception is thrown.

runif

static method runif : R::NDArray::Float ($length : int, $options : object[]);

Same as R::OP::Double#runif method, but the return type is different.

pi

static method pi : R::NDArray::Float ();

Same as R::OP::Double#pi method, but the return type is different.

See Also

Copyright & License

Copyright (c) 2024 Yuki Kimoto

MIT License