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	svn+ssh://pythondev@svn.python.org/python/trunk ........ r75286 | mark.dickinson | 2009-10-08 17:28:39 +0100 (Thu, 08 Oct 2009) | 2 lines Update decimal test data to the most recent set from Mike Cowlishaw. ........
		
			
				
	
	
		
			257 lines
		
	
	
	
		
			12 KiB
		
	
	
	
		
			Text
		
	
	
	
	
	
			
		
		
	
	
			257 lines
		
	
	
	
		
			12 KiB
		
	
	
	
		
			Text
		
	
	
	
	
	
------------------------------------------------------------------------
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-- ddToIntegral.decTest -- round Double to integral value             --
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-- Copyright (c) IBM Corporation, 2001, 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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-- This set of tests tests the extended specification 'round-to-integral
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-- value-exact' operations (from IEEE 854, later modified in 754r).
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-- All non-zero results are defined as being those from either copy or
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-- quantize, so those are assumed to have been tested extensively
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-- elsewhere; the tests here are for integrity, rounding mode, etc.
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-- Also, it is assumed the test harness will use these tests for both
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-- ToIntegralExact (which does set Inexact) and the fixed-name
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-- functions (which do not set Inexact).
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-- Note that decNumber implements an earlier definition of toIntegral
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-- which never sets Inexact; the decTest operator for that is called
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-- 'tointegral' instead of 'tointegralx'.
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precision:   16
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maxExponent: 384
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minExponent: -383
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extended:    1
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clamp:       1
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rounding:    half_even
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ddintx001 tointegralx      0     ->  0
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ddintx002 tointegralx      0.0   ->  0
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ddintx003 tointegralx      0.1   ->  0  Inexact Rounded
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ddintx004 tointegralx      0.2   ->  0  Inexact Rounded
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ddintx005 tointegralx      0.3   ->  0  Inexact Rounded
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ddintx006 tointegralx      0.4   ->  0  Inexact Rounded
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ddintx007 tointegralx      0.5   ->  0  Inexact Rounded
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ddintx008 tointegralx      0.6   ->  1  Inexact Rounded
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ddintx009 tointegralx      0.7   ->  1  Inexact Rounded
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ddintx010 tointegralx      0.8   ->  1  Inexact Rounded
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ddintx011 tointegralx      0.9   ->  1  Inexact Rounded
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ddintx012 tointegralx      1     ->  1
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ddintx013 tointegralx      1.0   ->  1  Rounded
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ddintx014 tointegralx      1.1   ->  1  Inexact Rounded
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ddintx015 tointegralx      1.2   ->  1  Inexact Rounded
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ddintx016 tointegralx      1.3   ->  1  Inexact Rounded
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ddintx017 tointegralx      1.4   ->  1  Inexact Rounded
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ddintx018 tointegralx      1.5   ->  2  Inexact Rounded
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ddintx019 tointegralx      1.6   ->  2  Inexact Rounded
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ddintx020 tointegralx      1.7   ->  2  Inexact Rounded
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ddintx021 tointegralx      1.8   ->  2  Inexact Rounded
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ddintx022 tointegralx      1.9   ->  2  Inexact Rounded
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-- negatives
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ddintx031 tointegralx     -0     -> -0
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ddintx032 tointegralx     -0.0   -> -0
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ddintx033 tointegralx     -0.1   -> -0  Inexact Rounded
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ddintx034 tointegralx     -0.2   -> -0  Inexact Rounded
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ddintx035 tointegralx     -0.3   -> -0  Inexact Rounded
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ddintx036 tointegralx     -0.4   -> -0  Inexact Rounded
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ddintx037 tointegralx     -0.5   -> -0  Inexact Rounded
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ddintx038 tointegralx     -0.6   -> -1  Inexact Rounded
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ddintx039 tointegralx     -0.7   -> -1  Inexact Rounded
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ddintx040 tointegralx     -0.8   -> -1  Inexact Rounded
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ddintx041 tointegralx     -0.9   -> -1  Inexact Rounded
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ddintx042 tointegralx     -1     -> -1
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ddintx043 tointegralx     -1.0   -> -1  Rounded
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ddintx044 tointegralx     -1.1   -> -1  Inexact Rounded
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ddintx045 tointegralx     -1.2   -> -1  Inexact Rounded
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ddintx046 tointegralx     -1.3   -> -1  Inexact Rounded
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ddintx047 tointegralx     -1.4   -> -1  Inexact Rounded
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ddintx048 tointegralx     -1.5   -> -2  Inexact Rounded
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ddintx049 tointegralx     -1.6   -> -2  Inexact Rounded
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ddintx050 tointegralx     -1.7   -> -2  Inexact Rounded
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ddintx051 tointegralx     -1.8   -> -2  Inexact Rounded
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ddintx052 tointegralx     -1.9   -> -2  Inexact Rounded
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-- next two would be NaN using quantize(x, 0)
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ddintx053 tointegralx    10E+60  -> 1.0E+61
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ddintx054 tointegralx   -10E+60  -> -1.0E+61
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-- numbers around precision
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ddintx060 tointegralx '56267E-17'   -> '0'      Inexact Rounded
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ddintx061 tointegralx '56267E-5'    -> '1'      Inexact Rounded
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ddintx062 tointegralx '56267E-2'    -> '563'    Inexact Rounded
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ddintx063 tointegralx '56267E-1'    -> '5627'   Inexact Rounded
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ddintx065 tointegralx '56267E-0'    -> '56267'
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ddintx066 tointegralx '56267E+0'    -> '56267'
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ddintx067 tointegralx '56267E+1'    -> '5.6267E+5'
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ddintx068 tointegralx '56267E+9'    -> '5.6267E+13'
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ddintx069 tointegralx '56267E+10'   -> '5.6267E+14'
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ddintx070 tointegralx '56267E+11'   -> '5.6267E+15'
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ddintx071 tointegralx '56267E+12'   -> '5.6267E+16'
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ddintx072 tointegralx '56267E+13'   -> '5.6267E+17'
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ddintx073 tointegralx '1.23E+96'    -> '1.23E+96'
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ddintx074 tointegralx '1.23E+384'   -> #47fd300000000000  Clamped
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ddintx080 tointegralx '-56267E-10'  -> '-0'      Inexact Rounded
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ddintx081 tointegralx '-56267E-5'   -> '-1'      Inexact Rounded
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ddintx082 tointegralx '-56267E-2'   -> '-563'    Inexact Rounded
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ddintx083 tointegralx '-56267E-1'   -> '-5627'   Inexact Rounded
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ddintx085 tointegralx '-56267E-0'   -> '-56267'
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ddintx086 tointegralx '-56267E+0'   -> '-56267'
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ddintx087 tointegralx '-56267E+1'   -> '-5.6267E+5'
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ddintx088 tointegralx '-56267E+9'   -> '-5.6267E+13'
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ddintx089 tointegralx '-56267E+10'  -> '-5.6267E+14'
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ddintx090 tointegralx '-56267E+11'  -> '-5.6267E+15'
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ddintx091 tointegralx '-56267E+12'  -> '-5.6267E+16'
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ddintx092 tointegralx '-56267E+13'  -> '-5.6267E+17'
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ddintx093 tointegralx '-1.23E+96'   -> '-1.23E+96'
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ddintx094 tointegralx '-1.23E+384'  -> #c7fd300000000000  Clamped
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-- subnormal inputs
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ddintx100 tointegralx        1E-299 -> 0  Inexact Rounded
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ddintx101 tointegralx      0.1E-299 -> 0  Inexact Rounded
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ddintx102 tointegralx     0.01E-299 -> 0  Inexact Rounded
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ddintx103 tointegralx        0E-299 -> 0
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-- specials and zeros
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ddintx120 tointegralx 'Inf'       ->  Infinity
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ddintx121 tointegralx '-Inf'      -> -Infinity
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ddintx122 tointegralx   NaN       ->  NaN
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ddintx123 tointegralx  sNaN       ->  NaN  Invalid_operation
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ddintx124 tointegralx     0       ->  0
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ddintx125 tointegralx    -0       -> -0
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ddintx126 tointegralx     0.000   ->  0
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ddintx127 tointegralx     0.00    ->  0
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ddintx128 tointegralx     0.0     ->  0
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ddintx129 tointegralx     0       ->  0
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ddintx130 tointegralx     0E-3    ->  0
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ddintx131 tointegralx     0E-2    ->  0
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ddintx132 tointegralx     0E-1    ->  0
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ddintx133 tointegralx     0E-0    ->  0
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ddintx134 tointegralx     0E+1    ->  0E+1
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ddintx135 tointegralx     0E+2    ->  0E+2
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ddintx136 tointegralx     0E+3    ->  0E+3
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ddintx137 tointegralx     0E+4    ->  0E+4
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ddintx138 tointegralx     0E+5    ->  0E+5
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ddintx139 tointegralx    -0.000   -> -0
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ddintx140 tointegralx    -0.00    -> -0
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ddintx141 tointegralx    -0.0     -> -0
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ddintx142 tointegralx    -0       -> -0
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ddintx143 tointegralx    -0E-3    -> -0
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ddintx144 tointegralx    -0E-2    -> -0
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ddintx145 tointegralx    -0E-1    -> -0
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ddintx146 tointegralx    -0E-0    -> -0
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ddintx147 tointegralx    -0E+1    -> -0E+1
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ddintx148 tointegralx    -0E+2    -> -0E+2
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ddintx149 tointegralx    -0E+3    -> -0E+3
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ddintx150 tointegralx    -0E+4    -> -0E+4
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ddintx151 tointegralx    -0E+5    -> -0E+5
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-- propagating NaNs
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ddintx152 tointegralx   NaN808    ->  NaN808
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ddintx153 tointegralx  sNaN080    ->  NaN80  Invalid_operation
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ddintx154 tointegralx  -NaN808    -> -NaN808
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ddintx155 tointegralx -sNaN080    -> -NaN80  Invalid_operation
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ddintx156 tointegralx  -NaN       -> -NaN
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ddintx157 tointegralx -sNaN       -> -NaN    Invalid_operation
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-- examples
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rounding:    half_up
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ddintx200 tointegralx     2.1    -> 2            Inexact Rounded
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ddintx201 tointegralx   100      -> 100
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ddintx202 tointegralx   100.0    -> 100          Rounded
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ddintx203 tointegralx   101.5    -> 102          Inexact Rounded
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ddintx204 tointegralx  -101.5    -> -102         Inexact Rounded
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ddintx205 tointegralx   10E+5    -> 1.0E+6
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ddintx206 tointegralx  7.89E+77  -> 7.89E+77
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ddintx207 tointegralx   -Inf     -> -Infinity
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-- all rounding modes
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rounding:    half_even
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ddintx210 tointegralx     55.5   ->  56  Inexact Rounded
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ddintx211 tointegralx     56.5   ->  56  Inexact Rounded
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ddintx212 tointegralx     57.5   ->  58  Inexact Rounded
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ddintx213 tointegralx    -55.5   -> -56  Inexact Rounded
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ddintx214 tointegralx    -56.5   -> -56  Inexact Rounded
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ddintx215 tointegralx    -57.5   -> -58  Inexact Rounded
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rounding:    half_up
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ddintx220 tointegralx     55.5   ->  56  Inexact Rounded
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ddintx221 tointegralx     56.5   ->  57  Inexact Rounded
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ddintx222 tointegralx     57.5   ->  58  Inexact Rounded
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ddintx223 tointegralx    -55.5   -> -56  Inexact Rounded
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ddintx224 tointegralx    -56.5   -> -57  Inexact Rounded
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ddintx225 tointegralx    -57.5   -> -58  Inexact Rounded
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rounding:    half_down
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ddintx230 tointegralx     55.5   ->  55  Inexact Rounded
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ddintx231 tointegralx     56.5   ->  56  Inexact Rounded
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ddintx232 tointegralx     57.5   ->  57  Inexact Rounded
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ddintx233 tointegralx    -55.5   -> -55  Inexact Rounded
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ddintx234 tointegralx    -56.5   -> -56  Inexact Rounded
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ddintx235 tointegralx    -57.5   -> -57  Inexact Rounded
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rounding:    up
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ddintx240 tointegralx     55.3   ->  56  Inexact Rounded
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ddintx241 tointegralx     56.3   ->  57  Inexact Rounded
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ddintx242 tointegralx     57.3   ->  58  Inexact Rounded
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ddintx243 tointegralx    -55.3   -> -56  Inexact Rounded
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ddintx244 tointegralx    -56.3   -> -57  Inexact Rounded
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ddintx245 tointegralx    -57.3   -> -58  Inexact Rounded
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rounding:    down
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ddintx250 tointegralx     55.7   ->  55  Inexact Rounded
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ddintx251 tointegralx     56.7   ->  56  Inexact Rounded
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ddintx252 tointegralx     57.7   ->  57  Inexact Rounded
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ddintx253 tointegralx    -55.7   -> -55  Inexact Rounded
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ddintx254 tointegralx    -56.7   -> -56  Inexact Rounded
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ddintx255 tointegralx    -57.7   -> -57  Inexact Rounded
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rounding:    ceiling
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ddintx260 tointegralx     55.3   ->  56  Inexact Rounded
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ddintx261 tointegralx     56.3   ->  57  Inexact Rounded
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ddintx262 tointegralx     57.3   ->  58  Inexact Rounded
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ddintx263 tointegralx    -55.3   -> -55  Inexact Rounded
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ddintx264 tointegralx    -56.3   -> -56  Inexact Rounded
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ddintx265 tointegralx    -57.3   -> -57  Inexact Rounded
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rounding:    floor
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ddintx270 tointegralx     55.7   ->  55  Inexact Rounded
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ddintx271 tointegralx     56.7   ->  56  Inexact Rounded
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ddintx272 tointegralx     57.7   ->  57  Inexact Rounded
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ddintx273 tointegralx    -55.7   -> -56  Inexact Rounded
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ddintx274 tointegralx    -56.7   -> -57  Inexact Rounded
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ddintx275 tointegralx    -57.7   -> -58  Inexact Rounded
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-- Int and uInt32 edge values for testing conversions
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ddintx300 tointegralx -2147483646  -> -2147483646
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ddintx301 tointegralx -2147483647  -> -2147483647
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ddintx302 tointegralx -2147483648  -> -2147483648
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ddintx303 tointegralx -2147483649  -> -2147483649
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ddintx304 tointegralx  2147483646  ->  2147483646
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ddintx305 tointegralx  2147483647  ->  2147483647
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ddintx306 tointegralx  2147483648  ->  2147483648
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ddintx307 tointegralx  2147483649  ->  2147483649
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ddintx308 tointegralx  4294967294  ->  4294967294
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ddintx309 tointegralx  4294967295  ->  4294967295
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ddintx310 tointegralx  4294967296  ->  4294967296
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ddintx311 tointegralx  4294967297  ->  4294967297
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