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|
use strict;
use warnings;
use Math::MPFR qw(:mpfr);
use Config;
if($Config{nvsize} != 8) {
print "1..2\n";
if(Math::MPFR::_fallback_notify()) { print "not ok 1\n"}
else {print "ok 1\n"}
eval {my $x = doubletoa(42.0) };
if($@ =~ /^The doubletoa function is unavailable/) { print "ok 2\n" }
else {
warn "\$\@: $@\n";
print "not ok 2\n";
}
}
elsif(MPFR_VERSION() <= 196869) {
print "1..1\n";
warn "\nSkipping all tests - they require mpfr-3.1.6 or later\n";
print "ok 1\n";
}
else {
print "1..11\n";
my $ok = 1;
my $fb = Math::MPFR::_fallback_notify();
my $fb_tracker = 0;
my ($count, $mismatch_count) = (0, 0);
for my $iteration(1..1000) {
last unless $ok;
for my $exp(-326 .. 325) {
$count++;
my $str = rand(100);
if($str !~ /e/) { $str .= (int(rand(10)) . int(rand(10)) . "e$exp") }
$str = '-' . $str unless $iteration % 3;
if($fb) { $fb_tracker = $Math::MPFR::doubletoa_fallback }
my $v = $str + 0;
my $s1 = doubletoa($v, "S");
my $s2 = nvtoa($v);
if($s1 ne $s2) {
#print "$str $s1 $s2\n";
$mismatch_count++;
my $s1_alt = doubletoa($v);
if($fb && $Math::MPFR::doubletoa_fallback - $fb_tracker != 2) {
$ok = 0;
warn "\nfallback anomaly with $str: $s1 ($s1_alt) $s2\n";
last;
}
my ($check1, $check2, $check3) = (
($s1 eq $s1_alt),
(atonv($s1) != atonv($s1_alt)),
(atonv($s1) != atonv($s2))
);
if($check1 || $check2 || $check3) {
$ok = 0;
warn "\nmismatch for $str: $s1 ($s1_alt) $s2\n";
last;
}
}
}
}
# print "Fallback: $Math::MPFR::doubletoa_fallback Mismatch: $mismatch_count\n";
if($ok) { print "ok 1\n" }
else { print "not ok 1\n" }
if($fb) {
if($count > 10000) {
if($Math::MPFR::doubletoa_fallback > 10 && $count / $Math::MPFR::doubletoa_fallback > 50) {
print "ok 2\n";
}
else {
warn "\n Total Count: $count\nFallback count: $Math::MPFR::doubletoa_fallback\n";
print "not ok 2\n";
}
}
else {
warn "\n Skipping test 2 - didn't test enough values\n";
print "ok 2\n";
}
}
else {
if($Math::MPFR::doubletoa_fallback) { print "not ok 2\n" }
else { print "ok 2\n" }
}
if(doubletoa(atodouble('8e94')) eq '8e+94') { print "ok 3\n" }
else {
warn "\nexpected: '8e+94'\ngot : '", doubletoa(atodouble('8e+94')), "'\n";
print "not ok 3\n";
}
if(doubletoa(atodouble('-8e94')) eq '-8e+94') { print "ok 4\n" }
else {
warn "\nexpected: '-8e+94'\ngot : '", doubletoa(atodouble('-8e+94')), "'\n";
print "not ok 4\n";
}
if(doubletoa(atodouble('80e94')) eq '8e+95') { print "ok 5\n" }
else {
warn "\nexpected: '8e+95'\ngot : '", doubletoa(atodouble('80e+94')), "'\n";
print "not ok 5\n";
}
if(doubletoa(atodouble('81e94')) eq '8.1e+95') { print "ok 6\n" }
else {
warn "\nexpected: '8.1e+95'\ngot : '", doubletoa(atodouble('81e+94')), "'\n";
print "not ok 6\n";
}
if(doubletoa(atodouble('8000000e94')) eq '8e+100') { print "ok 7\n" }
else {
warn "\nexpected: '8e+100'\ngot : '", doubletoa(atodouble('8000000e+94')), "'\n";
print "not ok 7\n";
}
# 1e+23 is one of the values that Grisu3 cannot handle.
my $d = atodouble('1e+23');
my $dtoa = doubletoa($d); # fall back to dragon
if($dtoa eq '1e+23') { print "ok 8\n" }
else {
warn "\nexpected: '1e+23'\ngot : '", $dtoa, "'\n";
print "not ok 8\n";
}
$dtoa = doubletoa($d, ''); # fall back to sprintf("%.17g", $d)
if($dtoa eq '9.9999999999999992e+22' || $dtoa eq '9.9999999999999992e+022') { print "ok 9\n" }
else {
warn "\nexpected: '9.9999999999999992e+22 or 9.9999999999999992e+022'\ngot : '", $dtoa, "'\n";
print "not ok 9\n";
}
$dtoa = doubletoa(0.0);
if($dtoa eq '0.0') { print "ok 10\n" }
else {
warn "\nexpected: '0.0'\ngot : '", $dtoa, "'\n";
print "not ok 10\n";
}
my $z = Math::MPFR->new(0);
Rmpfr_neg($z, $z, MPFR_RNDN); # $z is -0.0
my $negzero = Rmpfr_get_NV($z, MPFR_RNDN);
$dtoa = doubletoa($negzero);
if($dtoa eq '-0.0') { print "ok 11\n" }
else {
warn "\nexpected: '-0.0'\ngot : '", $dtoa, "'\n";
print "not ok 11\n";
}
}
__END__
|
