## Expand description

*Function that is not part of the language but is offered as a helper for tests, etc.*
Multiply two numerics if condition `c`

is set (all bits 1).
Returns `x`

if condition `c`

is `0`

.
Note: Multiplication is always wrapping.

*Function that is not part of the language but is offered as a helper for tests, etc.*
Multiply two numerics if condition `c`

is set (all bits 1).
Returns `x`

if condition `c`

is `0`

.
Note: Multiplication is always wrapping.