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SISYPHUS / Math-Decimal64-0.08 / t / decode_d64.t 

            

              
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use strict;
use warnings;
use Math::Decimal64 qw(:all);
my $t = 10;
print "1..$t\n";
my $fmt = d64_fmt();
if($fmt eq 'DPD' || $fmt eq 'BID') {
  warn "\nDetected $fmt formatting\n";
  print "ok 1\n";
}
else {
  warn "\nDetected $fmt formatting\n";
  print "not ok 1\n";
}
my $inf = MEtoD64('1', 0) / ZeroD64(1);
my $dec = decode_d64($inf);
if($dec eq 'inf') {print "ok 2\n"}
else {
  warn "\n\$dec: $dec\n";
  print "not ok 2\n";
}
$inf *= UnityD64(-1);
$dec = decode_d64($inf);
if($dec eq '-inf') {print "ok 3\n"}
else {
  warn "\n\$dec: $dec\n";
  print "not ok 3\n";
}
$inf -= $inf;
$dec = decode_d64($inf);
if($dec eq 'nan') {print "ok 4\n"}
else {
  warn "\n\$dec: $dec\n";
  print "not ok 4\n";
}
my $ok = 1;
for my $exp(0..10, 20, 30, 280 .. 300) {
  for my $digits(1..16) {
    my $man = random_select($digits);
    my $d64 = MEtoD64($man, $exp);
    my $str = decode_d64($d64);
    my @redo = split /e/, $str;
    #$redo[0] =~ s/^\+//;
    my $check = MEtoD64($redo[0], $redo[1]);
    if($check != $d64) {
      $ok = 0;
      my @check = D64toME($check);
      warn "\n ($man, $exp) != ($check[0], $check[1])\n";
    }
  }
}
$ok ? print "ok 5\n" : print "not ok 5\n";
$ok = 1;
for my $exp(0..10, 20, 30, 280 .. 300) {
  for my $digits(1..16) {
    my $man = '-' . random_select($digits);
    my $d64 = MEtoD64($man, $exp);
    my $str = decode_d64($d64);
    my @redo = split /e/, $str;
    #$redo[0] =~ s/^\+//;
    my $check = MEtoD64($redo[0], $redo[1]);
    if($check != $d64) {
      $ok = 0;
      my @check = D64toME($check);
      warn "\n ($man, $exp) != ($check[0], $check[1])\n";
    }
  }
}
$ok ? print "ok 6\n" : print "not ok 6\n";
$ok = 1;
for my $exp(0..10, 20, 30, 280 .. 300) {
  for my $digits(1..16) {
    my $man = random_select($digits);
    my $d64 = MEtoD64($man, -$exp);
    my $str = decode_d64($d64);
    my @redo = split /e/, $str;
    #$redo[0] =~ s/^\+//;
    my $check = MEtoD64($redo[0], $redo[1]);
    if($check != $d64) {
      $ok = 0;
      my @check = D64toME($check);
      warn "\n ($man, $exp) != ($check[0], $check[1])\n";
    }
  }
}
$ok ? print "ok 7\n" : print "not ok 7\n";
$ok = 1;
for my $exp(0..10, 20, 30, 280 .. 300) {
  for my $digits(1..16) {
    my $man = '-' . random_select($digits);
    my $d64 = MEtoD64($man, -$exp);
    my $str = decode_d64($d64);
    my @redo = split /e/, $str;
    #$redo[0] =~ s/^\+//;
    my $check = MEtoD64($redo[0], $redo[1]);
    if($check != $d64) {
      $ok = 0;
      my @check = D64toME($check);
      warn "\n ($man, $exp) != ($check[0], $check[1])\n";
    }
  }
}
$ok ? print "ok 8\n" : print "not ok 8\n";
my $d64 = MEtoD64('000200', 200);
$dec = decode_d64($d64);
if($dec eq '2e202') {print "ok 9\n"}
else {
  warn "\n9: \$dec: $dec\n";
  print "not ok 9\n";
}
$d64 *= UnityD64(-1);
$dec = decode_d64($d64);
if($dec eq '-2e202') {print "ok 10\n"}
else {
  warn "\n10: \$dec: $dec\n";
  print "not ok 10\n";
}
sub random_select {
  my $ret = '';
  for(1 .. $_[0]) {
    $ret .= int(rand(10));
  }
  return "$ret";
}