built in operator: measure-currency
description:
measure-currency sp
returns the sum of the coeffs in the given superposition
in other words, the amount of currency used by that superposition
eg, for a currency preserving operator, op, we have:
measure-currency sp == measure-currency op sp
for any superposition sp
examples:
measure-currency |>
|number: 0>
measure-currency split |a b c d e f g>
|number: 7>
measure-currency normalize split |a b c d e f g>
|number: 1.0>
measure-currency normalize[10] split |a b c d e f g>
|number: 10>
measure-currency (0|a> + 2|b> + 3|c> + 5|d> + 7|e> + 11|f>)
|number: 28>
see also:
how-many, show-many, normalize, rescale, smeasure-currency
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