Tensor-like Objects

A tensorish value is any object that can be passed as an input to anvil primitive functions such as nvl_add or is an output of such a function.

During runtime, these are AnvilTensor objects.

The following types are tensorish (during compile-time):

• AnvilTensor: a concrete tensor holding data on a device.

• GraphBox: a boxed abstract tensor representing a value in a graph.

• Literals: numeric(1), integer(1), logical(1): promoted to scalar tensors.

Use is_tensorish() to check whether a value is tensorish.

Usage

is_tensorish(x, literal = TRUE)

Arguments

x

(any)
Object to check.

literal

(logical(1))
Whether to accept R literals as tensorish.

Value

logical(1)

See also

AnvilTensor, GraphBox

Examples

# AnvilTensors are tensorish
is_tensorish(nv_tensor(1:4))
#> [1] TRUE

# Scalar R literals are tensorish by default
is_tensorish(1.5)
#> [1] TRUE

# Non-scalar vectors are not tensorish
is_tensorish(1:4)
#> [1] FALSE

is_tensorish(DebugBox(nv_aten("f32", c(2L, 3L))))
#> [1] TRUE

# Disable literal promotion
is_tensorish(1.5, literal = FALSE)
#> [1] FALSE