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Diffstat (limited to 'jam-files/boost-build/util/numbers.jam')
| -rw-r--r-- | jam-files/boost-build/util/numbers.jam | 218 |
1 files changed, 0 insertions, 218 deletions
diff --git a/jam-files/boost-build/util/numbers.jam b/jam-files/boost-build/util/numbers.jam deleted file mode 100644 index 665347d3..00000000 --- a/jam-files/boost-build/util/numbers.jam +++ /dev/null @@ -1,218 +0,0 @@ -# Copyright 2001, 2002 Dave Abrahams -# Copyright 2002, 2003 Vladimir Prus -# Distributed under the Boost Software License, Version 1.0. -# (See accompanying file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt) - -import errors ; - - -rule trim-leading-zeroes ( value ) -{ - return [ CALC $(value) + 0 ] ; -} - - -rule check ( numbers * ) -{ - for local n in $(numbers) - { - switch $(n) - { - case *[^0-9]* : - errors.error $(n) "in" $(numbers) : is not a number ; - } - } -} - - -rule increment ( number ) -{ - return [ CALC $(number) + 1 ] ; -} - - -rule decrement ( number ) -{ - return [ CALC $(number) - 1 ] ; -} - - -rule range ( start finish ? : step ? ) -{ - if ! $(finish) - { - finish = $(start) ; - start = 1 ; - } - step ?= 1 ; - - check $(start) $(finish) $(step) ; - - if $(finish) != 0 - { - local result ; - while [ less $(start) $(finish) ] || $(start) = $(finish) - { - result += $(start) ; - start = [ CALC $(start) + $(step) ] ; - } - return $(result) ; - } -} - - -rule less ( n1 n2 ) -{ - switch [ CALC $(n2) - $(n1) ] - { - case [1-9]* : return true ; - } -} - - -rule log10 ( number ) -{ - switch $(number) - { - case *[^0-9]* : errors.error $(number) is not a number ; - case 0 : errors.error can't take log of zero ; - case [1-9] : return 0 ; - case [1-9]? : return 1 ; - case [1-9]?? : return 2 ; - case [1-9]??? : return 3 ; - case [1-9]???? : return 4 ; - case [1-9]????? : return 5 ; - case [1-9]?????? : return 6 ; - case [1-9]??????? : return 7 ; - case [1-9]???????? : return 8 ; - case [1-9]????????? : return 9 ; - case * : - { - import sequence ; - import string ; - local chars = [ string.chars $(number) ] ; - while $(chars[1]) = 0 - { - chars = $(chars[2-]) ; - } - if ! $(chars) - { - errors.error can't take log of zero ; - } - else - { - return [ decrement [ sequence.length $(chars) ] ] ; - } - } - } -} - - -rule __test__ ( ) -{ - import assert ; - - assert.result 1 : increment 0 ; - assert.result 2 : increment 1 ; - assert.result 1 : decrement 2 ; - assert.result 0 : decrement 1 ; - assert.result 50 : increment 49 ; - assert.result 49 : decrement 50 ; - assert.result 99 : increment 98 ; - assert.result 99 : decrement 100 ; - assert.result 100 : increment 99 ; - assert.result 999 : decrement 1000 ; - assert.result 1000 : increment 999 ; - - assert.result 1 2 3 : range 3 ; - assert.result 1 2 3 4 5 6 7 8 9 10 11 12 : range 12 ; - assert.result 3 4 5 6 7 8 9 10 11 : range 3 11 ; - assert.result : range 0 ; - assert.result 1 4 7 10 : range 10 : 3 ; - assert.result 2 4 6 8 10 : range 2 10 : 2 ; - assert.result 25 50 75 100 : range 25 100 : 25 ; - - assert.result 0 : trim-leading-zeroes 0 ; - assert.result 1234 : trim-leading-zeroes 1234 ; - assert.result 123456 : trim-leading-zeroes 0000123456 ; - assert.result 1000123456 : trim-leading-zeroes 1000123456 ; - assert.result 10000 : trim-leading-zeroes 10000 ; - assert.result 10000 : trim-leading-zeroes 00010000 ; - - assert.true less 1 2 ; - assert.true less 1 12 ; - assert.true less 1 21 ; - assert.true less 005 217 ; - assert.false less 0 0 ; - assert.false less 03 3 ; - assert.false less 3 03 ; - assert.true less 005 217 ; - assert.true less 0005 217 ; - assert.true less 5 00217 ; - - # TEMPORARY disabled, because nested "try"/"catch" do not work and I do no - # have the time to fix that right now. - if $(0) - { - try ; - { - decrement 0 ; - } - catch can't decrement zero! ; - - try ; - { - check foo ; - } - catch : not a number ; - - try ; - { - increment foo ; - } - catch : not a number ; - - try ; - { - log10 0 ; - } - catch can't take log of zero ; - - try ; - { - log10 000 ; - } - catch can't take log of zero ; - - } - - assert.result 0 : log10 1 ; - assert.result 0 : log10 9 ; - assert.result 1 : log10 10 ; - assert.result 1 : log10 99 ; - assert.result 2 : log10 100 ; - assert.result 2 : log10 101 ; - assert.result 2 : log10 125 ; - assert.result 2 : log10 999 ; - assert.result 3 : log10 1000 ; - assert.result 10 : log10 12345678901 ; - - for local x in [ range 75 110 : 5 ] - { - for local y in [ range $(x) 111 : 3 ] - { - if $(x) != $(y) - { - assert.true less $(x) $(y) ; - } - } - } - - for local x in [ range 90 110 : 2 ] - { - for local y in [ range 80 $(x) : 4 ] - { - assert.false less $(x) $(y) ; - } - } -} |