gcc/testsuite/gfortran.dg/leadz_trailz_1.f90

   1 ! { dg-do run }
   2
   3   integer(kind=1) :: i1
   4   integer(kind=2) :: i2
   5   integer(kind=4) :: i4
   6   integer(kind=8) :: i8
   7
   8   i1 = -1
   9   i2 = -1
  10   i4 = -1
  11   i8 = -1
  12
  13   if (leadz(i1) /= 0) call abort
  14   if (leadz(i2) /= 0) call abort
  15   if (leadz(i4) /= 0) call abort
  16   if (leadz(i8) /= 0) call abort
  17
  18   if (trailz(i1) /= 0) call abort
  19   if (trailz(i2) /= 0) call abort
  20   if (trailz(i4) /= 0) call abort
  21   if (trailz(i8) /= 0) call abort
  22
  23   if (leadz(-1_1) /= 0) call abort
  24   if (leadz(-1_2) /= 0) call abort
  25   if (leadz(-1_4) /= 0) call abort
  26   if (leadz(-1_8) /= 0) call abort
  27
  28   if (trailz(-1_1) /= 0) call abort
  29   if (trailz(-1_2) /= 0) call abort
  30   if (trailz(-1_4) /= 0) call abort
  31   if (trailz(-1_8) /= 0) call abort
  32
  33   i1 = -64
  34   i2 = -64
  35   i4 = -64
  36   i8 = -64
  37
  38   if (leadz(i1) /= 0) call abort
  39   if (leadz(i2) /= 0) call abort
  40   if (leadz(i4) /= 0) call abort
  41   if (leadz(i8) /= 0) call abort
  42
  43   if (trailz(i1) /= 6) call abort
  44   if (trailz(i2) /= 6) call abort
  45   if (trailz(i4) /= 6) call abort
  46   if (trailz(i8) /= 6) call abort
  47
  48   if (leadz(-64_1) /= 0) call abort
  49   if (leadz(-64_2) /= 0) call abort
  50   if (leadz(-64_4) /= 0) call abort
  51   if (leadz(-64_8) /= 0) call abort
  52
  53   if (trailz(-64_1) /= 6) call abort
  54   if (trailz(-64_2) /= 6) call abort
  55   if (trailz(-64_4) /= 6) call abort
  56   if (trailz(-64_8) /= 6) call abort
  57
  58   i1 = -108
  59   i2 = -108
  60   i4 = -108
  61   i8 = -108
  62
  63   if (leadz(i1) /= 0) call abort
  64   if (leadz(i2) /= 0) call abort
  65   if (leadz(i4) /= 0) call abort
  66   if (leadz(i8) /= 0) call abort
  67
  68   if (trailz(i1) /= 2) call abort
  69   if (trailz(i2) /= 2) call abort
  70   if (trailz(i4) /= 2) call abort
  71   if (trailz(i8) /= 2) call abort
  72
  73   if (leadz(-108_1) /= 0) call abort
  74   if (leadz(-108_2) /= 0) call abort
  75   if (leadz(-108_4) /= 0) call abort
  76   if (leadz(-108_8) /= 0) call abort
  77
  78   if (trailz(-108_1) /= 2) call abort
  79   if (trailz(-108_2) /= 2) call abort
  80   if (trailz(-108_4) /= 2) call abort
  81   if (trailz(-108_8) /= 2) call abort
  82
  83   i1 = 1
  84   i2 = 1
  85   i4 = 1
  86   i8 = 1
  87
  88   if (leadz(i1) /= bit_size(i1) - 1) call abort
  89   if (leadz(i2) /= bit_size(i2) - 1) call abort
  90   if (leadz(i4) /= bit_size(i4) - 1) call abort
  91   if (leadz(i8) /= bit_size(i8) - 1) call abort
  92
  93   if (trailz(i1) /= 0) call abort
  94   if (trailz(i2) /= 0) call abort
  95   if (trailz(i4) /= 0) call abort
  96   if (trailz(i8) /= 0) call abort
  97
  98   if (leadz(1_1) /= bit_size(1_1) - 1) call abort
  99   if (leadz(1_2) /= bit_size(1_2) - 1) call abort
 100   if (leadz(1_4) /= bit_size(1_4) - 1) call abort
 101   if (leadz(1_8) /= bit_size(1_8) - 1) call abort
 102
 103   if (trailz(1_1) /= 0) call abort
 104   if (trailz(1_2) /= 0) call abort
 105   if (trailz(1_4) /= 0) call abort
 106   if (trailz(1_8) /= 0) call abort
 107
 108   i1 = 64
 109   i2 = 64
 110   i4 = 64
 111   i8 = 64
 112
 113   if (leadz(i1) /= 1) call abort
 114   if (leadz(i2) /= 9) call abort
 115   if (leadz(i4) /= 25) call abort
 116   if (leadz(i8) /= 57) call abort
 117
 118   if (trailz(i1) /= 6) call abort
 119   if (trailz(i2) /= 6) call abort
 120   if (trailz(i4) /= 6) call abort
 121   if (trailz(i8) /= 6) call abort
 122
 123   if (leadz(64_1) /= 1) call abort
 124   if (leadz(64_2) /= 9) call abort
 125   if (leadz(64_4) /= 25) call abort
 126   if (leadz(64_8) /= 57) call abort
 127
 128   if (trailz(64_1) /= 6) call abort
 129   if (trailz(64_2) /= 6) call abort
 130   if (trailz(64_4) /= 6) call abort
 131   if (trailz(64_8) /= 6) call abort
 132
 133 end