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✏️ ddAbs.decTest
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------------------------------------------------------------------------ -- 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
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