Is object a scalar double-precision vector

Returns TRUE if x is a scalar double (double-precision vector of length 1).

Usage

is_scalar_double(x)

Arguments

x

The object to be tested.

Value

Scalar logical

Examples

#----------------------------------------------------------------------------
# is_scalar_double() examples
#----------------------------------------------------------------------------
library(bkbase)

# TRUE
is_scalar_double(0)
#> [1] TRUE
is_scalar_double(1.5)
#> [1] TRUE
is_scalar_double(NA_real_)
#> [1] TRUE

# FALSE
is_scalar_double(1L)
#> [1] FALSE
is_scalar_double(c(1, 2))
#> [1] FALSE
is_scalar_double(numeric(0L))
#> [1] FALSE
is_scalar_double(NULL)
#> [1] FALSE