X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=t%2Fbase%2Fnum.t;h=ffad5d55847a11b62333c9d4efe235157d6483f9;hb=5d0b10e0e277da4dc4a7c7f47ea4de1c0bbe695a;hp=8a0eb923e983f18e4b3a8ebc0164178938a2caf1;hpb=0ad373b6ac664c739ef27968c44a6d6a5387a7ab;p=p5sagit%2Fp5-mst-13.2.git diff --git a/t/base/num.t b/t/base/num.t index 8a0eb92..ffad5d5 100644 --- a/t/base/num.t +++ b/t/base/num.t @@ -1,6 +1,6 @@ #!./perl -print "1..45\n"; +print "1..50\n"; # First test whether the number stringification works okay. # (Testing with == would exercize the IV/NV part, not the PV.) @@ -69,7 +69,7 @@ $a = -1.; "$a"; print $a + 1 == 0 ? "ok 19\n" : "not ok 19 #" . $a + 1 . "\n"; sub ok { # Can't assume too much of floating point numbers. - my ($a, $b, $c); + my ($a, $b, $c) = @_; abs($a - $b) <= $c; } @@ -107,16 +107,27 @@ $a = 1000; "$a"; print $a + 1 == 1001 ? "ok 30\n" : "not ok 30 #" . $a + 1 . "\n"; # back to some basic stringify tests -# we expect NV stringification to work according to C sprintf %.g rules +# we expect NV stringification to work according to C sprintf %.*g rules -$a = 0.01; "$a"; -print $a eq "0.01" ? "ok 31\n" : "not ok 31 # $a\n"; +if ($^O eq 'os2') { # In the long run, fix this. For 5.8.0, deal. + $a = 0.01; "$a"; + print $a eq "0.01" || $a eq '1e-02' ? "ok 31\n" : "not ok 31 # $a\n"; -$a = 0.001; "$a"; -print $a eq "0.001" ? "ok 32\n" : "not ok 32 # $a\n"; + $a = 0.001; "$a"; + print $a eq "0.001" || $a eq '1e-03' ? "ok 32\n" : "not ok 32 # $a\n"; -$a = 0.0001; "$a"; -print $a eq "0.0001" ? "ok 33\n" : "not ok 33 # $a\n"; + $a = 0.0001; "$a"; + print $a eq "0.0001" || $a eq '1e-04' ? "ok 33\n" : "not ok 33 # $a\n"; +} else { + $a = 0.01; "$a"; + print $a eq "0.01" ? "ok 31\n" : "not ok 31 # $a\n"; + + $a = 0.001; "$a"; + print $a eq "0.001" ? "ok 32\n" : "not ok 32 # $a\n"; + + $a = 0.0001; "$a"; + print $a eq "0.0001" ? "ok 33\n" : "not ok 33 # $a\n"; +} $a = 0.00009; "$a"; print $a eq "9e-05" || $a eq "9e-005" ? "ok 34\n" : "not ok 34 # $a\n"; @@ -151,5 +162,37 @@ print $a eq "-100000" ? "ok 43\n" : "not ok 43 # $a\n"; $a = 123.456; "$a"; print $a eq "123.456" ? "ok 44\n" : "not ok 44 # $a\n"; -$a = 1e30; "$a"; -print $a eq "1e+30" || $a eq "1e+030" ? "ok 45\n" : "not ok 45 $a\n"; +$a = 1e34; "$a"; +unless ($^O eq 'posix-bc') +{ print $a eq "1e+34" || $a eq "1e+034" ? "ok 45\n" : "not ok 45 $a\n"; } +else +{ print "ok 45 # skipped on $^O\n"; } + +# see bug #15073 + +$a = 0.00049999999999999999999999999999999999999; +$b = 0.0005000000000000000104; +print $a <= $b ? "ok 46\n" : "not ok 46\n"; + +if ($^O eq 'ultrix' || $^O eq 'VMS') { + # Ultrix enters looong nirvana over this. VMS blows up when configured with + # D_FLOAT (but with G_FLOAT or IEEE works fine). The test should probably + # make the number of 0's a function of NV_DIG, but that's not in Config and + # we probably don't want to suck Config into a base test anyway. + print "ok 47\n"; +} else { + $a = 0.00000000000000000000000000000000000000000000000000000000000000000001; + print $a > 0 ? "ok 47\n" : "not ok 47\n"; +} + +$a = 80000.0000000000000000000000000; +print $a == 80000.0 ? "ok 48\n" : "not ok 48\n"; + +$a = 1.0000000000000000000000000000000000000000000000000000000000000000000e1; +print $a == 10.0 ? "ok 49\n" : "not ok 49\n"; + +# From Math/Trig - number has to be long enough to exceed at least DBL_DIG + +$a = 57.295779513082320876798154814169; +print ok($a*10,572.95779513082320876798154814169,1e-10) ? "ok 50\n" : + "not ok 50 # $a\n";