89 lines
		
	
	
		
			4.0 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			89 lines
		
	
	
		
			4.0 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
| ------------------------------------------------------------------------
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| -- dqMinus.decTest -- decQuad 0-x                                     --
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| -- Copyright (c) IBM Corporation, 1981, 2008.  All rights reserved.   --
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| ------------------------------------------------------------------------
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| -- Please see the document "General Decimal Arithmetic Testcases"     --
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| -- at http://www2.hursley.ibm.com/decimal for the description of      --
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| -- these testcases.                                                   --
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| --                                                                    --
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| -- These testcases are experimental ('beta' versions), and they       --
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| -- may contain errors.  They are offered on an as-is basis.  In       --
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| -- particular, achieving the same results as the tests here is not    --
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| -- a guarantee that an implementation complies with any Standard      --
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| -- or specification.  The tests are not exhaustive.                   --
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| --                                                                    --
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| -- Please send comments, suggestions, and corrections to the author:  --
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| --   Mike Cowlishaw, IBM Fellow                                       --
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| --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
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| --   mfc@uk.ibm.com                                                   --
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| ------------------------------------------------------------------------
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| version: 2.59
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| 
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| -- All operands and results are decQuads.
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| extended:    1
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| clamp:       1
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| precision:   34
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| maxExponent: 6144
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| minExponent: -6143
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| rounding:    half_even
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| 
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| -- Sanity check
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| dqmns001 minus       +7.50  -> -7.50
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| 
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| -- Infinities
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| dqmns011 minus  Infinity    -> -Infinity
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| dqmns012 minus  -Infinity   -> Infinity
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| 
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| -- NaNs, 0 payload
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| dqmns021 minus         NaN  -> NaN
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| dqmns022 minus        -NaN  -> -NaN
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| dqmns023 minus        sNaN  -> NaN  Invalid_operation
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| dqmns024 minus       -sNaN  -> -NaN Invalid_operation
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| 
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| -- NaNs, non-0 payload
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| dqmns031 minus       NaN13  -> NaN13
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| dqmns032 minus      -NaN13  -> -NaN13
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| dqmns033 minus      sNaN13  -> NaN13   Invalid_operation
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| dqmns034 minus     -sNaN13  -> -NaN13  Invalid_operation
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| dqmns035 minus       NaN70  -> NaN70
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| dqmns036 minus      -NaN70  -> -NaN70
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| dqmns037 minus      sNaN101 -> NaN101  Invalid_operation
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| dqmns038 minus     -sNaN101 -> -NaN101 Invalid_operation
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| 
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| -- finites
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| dqmns101 minus          7   -> -7
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| dqmns102 minus         -7   -> 7
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| dqmns103 minus         75   -> -75
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| dqmns104 minus        -75   -> 75
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| dqmns105 minus       7.50   -> -7.50
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| dqmns106 minus      -7.50   -> 7.50
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| dqmns107 minus       7.500  -> -7.500
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| dqmns108 minus      -7.500  -> 7.500
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| 
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| -- zeros
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| dqmns111 minus          0   -> 0
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| dqmns112 minus         -0   -> 0
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| dqmns113 minus       0E+4   -> 0E+4
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| dqmns114 minus      -0E+4   -> 0E+4
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| dqmns115 minus     0.0000   -> 0.0000
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| dqmns116 minus    -0.0000   -> 0.0000
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| dqmns117 minus      0E-141  -> 0E-141
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| dqmns118 minus     -0E-141  -> 0E-141
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| 
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| -- full coefficients, alternating bits
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| dqmns121 minus   2682682682682682682682682682682682    -> -2682682682682682682682682682682682
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| dqmns122 minus  -2682682682682682682682682682682682    ->  2682682682682682682682682682682682
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| dqmns123 minus   1341341341341341341341341341341341    -> -1341341341341341341341341341341341
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| dqmns124 minus  -1341341341341341341341341341341341    ->  1341341341341341341341341341341341
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| 
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| -- Nmax, Nmin, Ntiny
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| dqmns131 minus  9.999999999999999999999999999999999E+6144   -> -9.999999999999999999999999999999999E+6144
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| dqmns132 minus  1E-6143                                     -> -1E-6143
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| dqmns133 minus  1.000000000000000000000000000000000E-6143   -> -1.000000000000000000000000000000000E-6143
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| dqmns134 minus  1E-6176                                     -> -1E-6176 Subnormal
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| 
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| dqmns135 minus  -1E-6176                                    ->  1E-6176 Subnormal
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| dqmns136 minus  -1.000000000000000000000000000000000E-6143  ->  1.000000000000000000000000000000000E-6143
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| dqmns137 minus  -1E-6143                                    ->  1E-6143
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| dqmns138 minus  -9.999999999999999999999999999999999E+6144  ->  9.999999999999999999999999999999999E+6144
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