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Diffstat (limited to 'lib/python2.7/test/decimaltestdata/ddAbs.decTest')
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1 files changed, 126 insertions, 0 deletions
diff --git a/lib/python2.7/test/decimaltestdata/ddAbs.decTest b/lib/python2.7/test/decimaltestdata/ddAbs.decTest new file mode 100644 index 0000000..b98d64a --- /dev/null +++ b/lib/python2.7/test/decimaltestdata/ddAbs.decTest @@ -0,0 +1,126 @@ +------------------------------------------------------------------------ +-- ddAbs.decTest -- decDouble absolute value, heeding sNaN -- +-- Copyright (c) IBM Corporation, 1981, 2008. All rights reserved. -- +------------------------------------------------------------------------ +-- Please see the document "General Decimal Arithmetic Testcases" -- +-- at http://www2.hursley.ibm.com/decimal for the description of -- +-- these testcases. -- +-- -- +-- These testcases are experimental ('beta' versions), and they -- +-- may contain errors. They are offered on an as-is basis. In -- +-- particular, achieving the same results as the tests here is not -- +-- a guarantee that an implementation complies with any Standard -- +-- or specification. The tests are not exhaustive. -- +-- -- +-- Please send comments, suggestions, and corrections to the author: -- +-- Mike Cowlishaw, IBM Fellow -- +-- IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK -- +-- mfc@uk.ibm.com -- +------------------------------------------------------------------------ +version: 2.59 + +precision: 16 +maxExponent: 384 +minExponent: -383 +extended: 1 +clamp: 1 +rounding: half_even + +ddabs001 abs '1' -> '1' +ddabs002 abs '-1' -> '1' +ddabs003 abs '1.00' -> '1.00' +ddabs004 abs '-1.00' -> '1.00' +ddabs005 abs '0' -> '0' +ddabs006 abs '0.00' -> '0.00' +ddabs007 abs '00.0' -> '0.0' +ddabs008 abs '00.00' -> '0.00' +ddabs009 abs '00' -> '0' + +ddabs010 abs '-2' -> '2' +ddabs011 abs '2' -> '2' +ddabs012 abs '-2.00' -> '2.00' +ddabs013 abs '2.00' -> '2.00' +ddabs014 abs '-0' -> '0' +ddabs015 abs '-0.00' -> '0.00' +ddabs016 abs '-00.0' -> '0.0' +ddabs017 abs '-00.00' -> '0.00' +ddabs018 abs '-00' -> '0' + +ddabs020 abs '-2000000' -> '2000000' +ddabs021 abs '2000000' -> '2000000' + +ddabs030 abs '+0.1' -> '0.1' +ddabs031 abs '-0.1' -> '0.1' +ddabs032 abs '+0.01' -> '0.01' +ddabs033 abs '-0.01' -> '0.01' +ddabs034 abs '+0.001' -> '0.001' +ddabs035 abs '-0.001' -> '0.001' +ddabs036 abs '+0.000001' -> '0.000001' +ddabs037 abs '-0.000001' -> '0.000001' +ddabs038 abs '+0.000000000001' -> '1E-12' +ddabs039 abs '-0.000000000001' -> '1E-12' + +-- examples from decArith +ddabs040 abs '2.1' -> '2.1' +ddabs041 abs '-100' -> '100' +ddabs042 abs '101.5' -> '101.5' +ddabs043 abs '-101.5' -> '101.5' + +-- more fixed, potential LHS swaps/overlays if done by subtract 0 +ddabs060 abs '-56267E-10' -> '0.0000056267' +ddabs061 abs '-56267E-5' -> '0.56267' +ddabs062 abs '-56267E-2' -> '562.67' +ddabs063 abs '-56267E-1' -> '5626.7' +ddabs065 abs '-56267E-0' -> '56267' + +-- subnormals and underflow + +-- long operand tests +ddabs321 abs 1234567890123456 -> 1234567890123456 +ddabs322 abs 12345678000 -> 12345678000 +ddabs323 abs 1234567800 -> 1234567800 +ddabs324 abs 1234567890 -> 1234567890 +ddabs325 abs 1234567891 -> 1234567891 +ddabs326 abs 12345678901 -> 12345678901 +ddabs327 abs 1234567896 -> 1234567896 + +-- zeros +ddabs111 abs 0 -> 0 +ddabs112 abs -0 -> 0 +ddabs113 abs 0E+6 -> 0E+6 +ddabs114 abs -0E+6 -> 0E+6 +ddabs115 abs 0.0000 -> 0.0000 +ddabs116 abs -0.0000 -> 0.0000 +ddabs117 abs 0E-141 -> 0E-141 +ddabs118 abs -0E-141 -> 0E-141 + +-- full coefficients, alternating bits +ddabs121 abs 2682682682682682 -> 2682682682682682 +ddabs122 abs -2682682682682682 -> 2682682682682682 +ddabs123 abs 1341341341341341 -> 1341341341341341 +ddabs124 abs -1341341341341341 -> 1341341341341341 + +-- Nmax, Nmin, Ntiny +ddabs131 abs 9.999999999999999E+384 -> 9.999999999999999E+384 +ddabs132 abs 1E-383 -> 1E-383 +ddabs133 abs 1.000000000000000E-383 -> 1.000000000000000E-383 +ddabs134 abs 1E-398 -> 1E-398 Subnormal + +ddabs135 abs -1E-398 -> 1E-398 Subnormal +ddabs136 abs -1.000000000000000E-383 -> 1.000000000000000E-383 +ddabs137 abs -1E-383 -> 1E-383 +ddabs138 abs -9.999999999999999E+384 -> 9.999999999999999E+384 + +-- specials +ddabs520 abs 'Inf' -> 'Infinity' +ddabs521 abs '-Inf' -> 'Infinity' +ddabs522 abs NaN -> NaN +ddabs523 abs sNaN -> NaN Invalid_operation +ddabs524 abs NaN22 -> NaN22 +ddabs525 abs sNaN33 -> NaN33 Invalid_operation +ddabs526 abs -NaN22 -> -NaN22 +ddabs527 abs -sNaN33 -> -NaN33 Invalid_operation + +-- Null tests +ddabs900 abs # -> NaN Invalid_operation + |