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added more examples and tests for order-of-magnitude

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svn: r17212
This commit is contained in:
Robby Findler 2009-12-05 20:38:38 +00:00
parent 1a8bca736f
commit ada899f158
2 changed files with 6 additions and 2 deletions
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6
collects/scribblings/reference/numbers.scrbl
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@ -955,11 +955,13 @@ Computes the greatest exact integer @scheme[m] such that:
(inexact->exact r))] (inexact->exact r))]
Hence also Hence also
@schemeblock[(< (inexact->exact r) @schemeblock[(< (inexact->exact r)
(expt 10 (add1 m)))]. (expt 10 (add1 m)))]
@mz-examples[#:eval math-eval @mz-examples[#:eval math-eval
(order-of-magnitude 999) (order-of-magnitude 999)
(order-of-magnitude 1000)] (order-of-magnitude 1000)
(order-of-magnitude 1/100)
(order-of-magnitude 1/101)]
} }
@; ---------------------------------------------------------------------- @; ----------------------------------------------------------------------

2
collects/tests/mzscheme/math.ss
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@ -14,6 +14,8 @@
(test 3 order-of-magnitude 5000) (test 3 order-of-magnitude 5000)
(test 3 order-of-magnitude 9999) (test 3 order-of-magnitude 9999)
(test 4 order-of-magnitude 10000) (test 4 order-of-magnitude 10000)
(test -2 order-of-magnitude 1/100)
(test -3 order-of-magnitude 1/101)
(test 25 sqr 5) (test 25 sqr 5)
(test 25 sqr -5) (test 25 sqr -5)