5 # First test whether the number stringification works okay.
6 # (Testing with == would exercize the IV/NV part, not the PV.)
9 print $a eq "1" ? "ok 1\n" : "not ok 1 # $a\n";
12 print $a eq "-1" ? "ok 2\n" : "not ok 2 # $a\n";
15 print $a eq "1" ? "ok 3\n" : "not ok 3 # $a\n";
18 print $a eq "-1" ? "ok 4\n" : "not ok 4 # $a\n";
21 print $a eq "0.1" ? "ok 5\n" : "not ok 5 # $a\n";
24 print $a eq "-0.1" ? "ok 6\n" : "not ok 6 # $a\n";
27 print $a eq "0.1" ? "ok 7\n" : "not ok 7 # $a\n";
30 print $a eq "-0.1" ? "ok 8\n" : "not ok 8 # $a\n";
33 print $a eq "10.01" ? "ok 9\n" : "not ok 9 # $a\n";
36 print $a eq "1000" ? "ok 10\n" : "not ok 10 # $a\n";
39 print $a eq "10010" ? "ok 11\n" : "not ok 11 # $a\n";
42 print $a eq "4" ? "ok 12\n" : "not ok 12 # $a\n";
45 print $a eq "64" ? "ok 13\n" : "not ok 13 # $a\n";
48 print $a eq "256" ? "ok 14\n" : "not ok 14 # $a\n";
51 print $a eq "1000" ? "ok 15\n" : "not ok 15 # $a\n";
53 # Okay, now test the numerics.
54 # We may be assuming too much, given the painfully well-known floating
55 # point sloppiness, but the following are still quite reasonable
56 # assumptions which if not working would confuse people quite badly.
58 $a = 1; "$a"; # Keep the stringification as a potential troublemaker.
59 print $a + 1 == 2 ? "ok 16\n" : "not ok 16 #" . $a + 1 . "\n";
60 # Don't know how useful printing the stringification of $a + 1 really is.
63 print $a + 1 == 0 ? "ok 17\n" : "not ok 17 #" . $a + 1 . "\n";
66 print $a + 1 == 2 ? "ok 18\n" : "not ok 18 #" . $a + 1 . "\n";
69 print $a + 1 == 0 ? "ok 19\n" : "not ok 19 #" . $a + 1 . "\n";
71 sub ok { # Can't assume too much of floating point numbers.
77 print ok($a + 1, 1.1, 0.05) ? "ok 20\n" : "not ok 20 #" . $a + 1 . "\n";
80 print ok($a + 1, 0.9, 0.05) ? "ok 21\n" : "not ok 21 #" . $a + 1 . "\n";
83 print ok($a + 1, 1.1, 0.005) ? "ok 22\n" : "not ok 22 #" . $a + 1 . "\n";
86 print ok($a + 1, 0.9, 0.05) ? "ok 23\n" : "not ok 23 #" . $a + 1 . "\n";
89 print ok($a + 1, 11.01, 0.005) ? "ok 24\n" : "not ok 24 #" . $a + 1 . "\n";
92 print $a + 1 == 1001 ? "ok 25\n" : "not ok 25 #" . $a + 1 . "\n";
95 print $a + 1 == 10011 ? "ok 26\n" : "not ok 26 #" . $a + 1 . "\n";
98 print $a + 1 == 0b101 ? "ok 27\n" : "not ok 27 #" . $a + 1 . "\n";
101 print $a + 1 == 0101 ? "ok 28\n" : "not ok 28 #" . $a + 1 . "\n";
104 print $a + 1 == 0x101 ? "ok 29\n" : "not ok 29 #" . $a + 1 . "\n";
107 print $a + 1 == 1001 ? "ok 30\n" : "not ok 30 #" . $a + 1 . "\n";
109 # back to some basic stringify tests
110 # we expect NV stringification to work according to C sprintf %.*g rules
112 if ($^O eq 'os2') { # In the long run, fix this. For 5.8.0, deal.
114 print $a eq "0.01" || $a eq '1e-02' ? "ok 31\n" : "not ok 31 # $a\n";
117 print $a eq "0.001" || $a eq '1e-03' ? "ok 32\n" : "not ok 32 # $a\n";
120 print $a eq "0.0001" || $a eq '1e-04' ? "ok 33\n" : "not ok 33 # $a\n";
123 print $a eq "0.01" ? "ok 31\n" : "not ok 31 # $a\n";
126 print $a eq "0.001" ? "ok 32\n" : "not ok 32 # $a\n";
129 print $a eq "0.0001" ? "ok 33\n" : "not ok 33 # $a\n";
133 print $a eq "9e-05" || $a eq "9e-005" ? "ok 34\n" : "not ok 34 # $a\n";
136 print $a eq "1.1" ? "ok 35\n" : "not ok 35 # $a\n";
139 print $a eq "1.01" ? "ok 36\n" : "not ok 36 # $a\n";
142 print $a eq "1.001" ? "ok 37\n" : "not ok 37 # $a\n";
145 print $a eq "1.0001" ? "ok 38\n" : "not ok 38 # $a\n";
148 print $a eq "1.00001" ? "ok 39\n" : "not ok 39 # $a\n";
151 print $a eq "1.000001" ? "ok 40\n" : "not ok 40 # $a\n";
154 print $a eq "0" ? "ok 41\n" : "not ok 41 # $a\n";
157 print $a eq "100000" ? "ok 42\n" : "not ok 42 # $a\n";
160 print $a eq "-100000" ? "ok 43\n" : "not ok 43 # $a\n";
163 print $a eq "123.456" ? "ok 44\n" : "not ok 44 # $a\n";
166 unless ($^O eq 'posix-bc')
167 { print $a eq "1e+34" || $a eq "1e+034" ? "ok 45\n" : "not ok 45 $a\n"; }
169 { print "ok 45 # skipped on $^O\n"; }
173 $a = 0.00049999999999999999999999999999999999999;
174 $b = 0.0005000000000000000104;
175 print $a <= $b ? "ok 46\n" : "not ok 46\n";
177 if ($^O eq 'ultrix') {
178 # Ultrix enters looong nirvana over this.
181 $a = 0.00000000000000000000000000000000000000000000000000000000000000000001;
182 print $a > 0 ? "ok 47\n" : "not ok 47\n";
185 $a = 80000.0000000000000000000000000;
186 print $a == 80000.0 ? "ok 48\n" : "not ok 48\n";
188 $a = 1.0000000000000000000000000000000000000000000000000000000000000000000e1;
189 print $a == 10.0 ? "ok 49\n" : "not ok 49\n";
191 # From Math/Trig - number has to be long enough to exceed at least DBL_DIG
193 $a = 57.295779513082320876798154814169;
194 print ok($a*10,572.95779513082320876798154814169,1e-10) ? "ok 50\n" :