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(define-module (test text-big-numbers)
:use-module (srfi srfi-64)
:use-module (srfi srfi-64 test-error)
:use-module (text big-numbers))
(test-assert (power-of-10? #e1e100))
(test-assert (power-of-10? 1e100))
;; (test-assert (not (power-of-10? (+ #e1e100 1))))
;; (test-assert (not (power-of-10? (+ 1e100 1))))
;; (test-assert (not (power-of-10? (- #e1e100 1))))
;; (test-assert (not (power-of-10? (- 1e100 1))))
(test-equal "₉₆₈₀₂₃₇₄₅₁" (subscript 9680237451))
(test-equal "⁹⁶⁸⁰²³⁷⁴⁵¹" (supscript 9680237451))
(test-equal "10¹⁰⁰"
(number->exponential-form #e1e100))
(test-error 'wrong-type-arg
(number->exponential-form 20))
'((text big-numbers))
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