testing.py

   1 import sfpy
   2
   3
   4 print('testing Poist8 neg / abs...')
   5 for i in range(1 << 8):
   6     x = sfpy.Posit8(i)
   7     neg_x = -x
   8     minus_x = x * sfpy.Posit8(-1.0)
   9
  10     if not neg_x.bits == minus_x.bits:
  11         print('-', x, neg_x, minus_x)
  12
  13     neg_x2 = sfpy.posit.p8_neg(x)
  14
  15     if not neg_x2.bits == minus_x.bits:
  16         print('p8_neg', x, neg_x2, minus_x)
  17
  18     x.ineg()
  19
  20     if not x.bits == minus_x.bits:
  21         print('ineg', x, minus_x)
  22
  23
  24     y = sfpy.Posit8(i)
  25     abs_y = abs(y)
  26     if y < sfpy.Posit8(0):
  27         ifneg_y = y * sfpy.Posit8(-1.0)
  28     else:
  29         ifneg_y = y * sfpy.Posit8(1.0)
  30
  31     if not abs_y.bits == ifneg_y.bits:
  32         print('abs', y, abs_y, ifneg_y)
  33
  34     abs_y2 = sfpy.posit.p8_abs(y)
  35
  36     if not abs_y2.bits == ifneg_y.bits:
  37         print('p8_abs', y, abs_y2, ifneg_y)
  38
  39     y.iabs()
  40
  41     if not y.bits == ifneg_y.bits:
  42         print('iabs', y, ifneg_y)
  43
  44
  45 print('testing Poist16 neg / abs...')
  46 for i in range(1 << 16):
  47     x = sfpy.Posit16(i)
  48     neg_x = -x
  49     minus_x = x * sfpy.Posit16(-1.0)
  50
  51     if not neg_x.bits == minus_x.bits:
  52         print('-', x, neg_x, minus_x)
  53
  54     neg_x2 = sfpy.posit.p16_neg(x)
  55
  56     if not neg_x2.bits == minus_x.bits:
  57         print('p16_neg', x, neg_x2, minus_x)
  58
  59     x.ineg()
  60
  61     if not x.bits == minus_x.bits:
  62         print('ineg', x, minus_x)
  63
  64
  65     y = sfpy.Posit16(i)
  66     abs_y = abs(y)
  67     if y < sfpy.Posit16(0):
  68         ifneg_y = y * sfpy.Posit16(-1.0)
  69     else:
  70         ifneg_y = y * sfpy.Posit16(1.0)
  71
  72     if not abs_y.bits == ifneg_y.bits:
  73         print('abs', y, abs_y, ifneg_y)
  74
  75     abs_y2 = sfpy.posit.p16_abs(y)
  76
  77     if not abs_y2.bits == ifneg_y.bits:
  78         print('p16_abs', y, abs_y2, ifneg_y)
  79
  80     y.iabs()
  81
  82     if not y.bits == ifneg_y.bits:
  83         print('iabs', y, ifneg_y)
  84
  85
  86 print('testing Poist32 neg / abs...')
  87 for i in range(1 << 32):
  88     x = sfpy.Posit32(i)
  89     neg_x = -x
  90     minus_x = x * sfpy.Posit32(-1.0)
  91
  92     if not neg_x.bits == minus_x.bits:
  93         print('-', x, neg_x, minus_x)
  94
  95     neg_x2 = sfpy.posit.p32_neg(x)
  96
  97     if not neg_x2.bits == minus_x.bits:
  98         print('p32_neg', x, neg_x2, minus_x)
  99
 100     x.ineg()
 101
 102     if not x.bits == minus_x.bits:
 103         print('ineg', x, minus_x)
 104
 105
 106     y = sfpy.Posit32(i)
 107     abs_y = abs(y)
 108     if y < sfpy.Posit32(0):
 109         ifneg_y = y * sfpy.Posit32(-1.0)
 110     else:
 111         ifneg_y = y * sfpy.Posit32(1.0)
 112
 113     if not abs_y.bits == ifneg_y.bits:
 114         print('abs', y, abs_y, ifneg_y)
 115
 116     abs_y2 = sfpy.posit.p32_abs(y)
 117
 118     if not abs_y2.bits == ifneg_y.bits:
 119         print('p32_abs', y, abs_y2, ifneg_y)
 120
 121     y.iabs()
 122
 123     if not y.bits == ifneg_y.bits:
 124         print('iabs', y, ifneg_y)
 125
 126
 127 print('...done.')