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|
use warnings;
use strict;
use Math::MPFR qw(:mpfr);
my $cut = eval 'use threads; 1';
print "1..3\n";
print "# Using Math::MPFR version ", $Math::MPFR::VERSION, "\n";
print "# Using mpfr library version ", MPFR_VERSION_STRING, "\n";
print "# Using gmp library version ", Math::MPFR::gmp_v(), "\n";
if($cut) {
if($threads::VERSION < 1.71) {
warn "Skipping all tests - need at least threads-1.71, we have version $threads::VERSION\n";
print "ok 1\n";
print "ok 2\n";
print "ok 3\n";
exit(0);
}
}
my ($tls, $ok, $pid);
eval {$tls = Rmpfr_buildopt_tls_p();};
my $cut_mess = $cut ? '' : "ithreads not available with this build of perl\n";
my $tls_mess = $tls ? '' :
$@ ? "Unable to determine whether mpfr was built with '--enable-thread-safe'\n"
: "Your mpfr library was not built with '--enable-thread-safe'\n";
if($cut && $tls) { # perform tests
Rmpfr_set_default_prec(101);
my $thr1 = threads->create(
sub {
Rmpfr_set_default_prec(201);
return Rmpfr_get_default_prec();
} );
my $res = $thr1->join();
if($res == 201 && Rmpfr_get_default_prec() == 101) {$ok .= 'a'}
else {warn "\n1a: \$res: $res\n prec: ", Rmpfr_get_default_prec(), "\n"}
# Needs TLS to work correctly on MS Windows
if($pid = fork()) {
Rmpfr_set_default_prec(102);
waitpid($pid,0);
} else {
sleep 1;
Rmpfr_set_default_prec(202);
_save(Rmpfr_get_default_prec());
exit(0);
}
sleep 2;
if(Rmpfr_get_default_prec() == 102) {$ok .= 'b'}
else {warn "\n1b: prec: ", Rmpfr_get_default_prec(), "\n"}
my $f = _retrieve();
if($f == 999999) {
warn "Skipping test 1c - couldn't open 'save_child_setting.txt'";
$ok .= 'c';
}
elsif($f == 202) {
$ok .= 'c';
}
else {
warn "\n1c: prec: $f\n";
}
if($ok eq 'abc') {print "ok 1\n"}
else {
warn "\$ok: $ok\n";
print "not ok 1\n";
}
#######################
$ok = '';
Rmpfr_set_default_rounding_mode(GMP_RNDZ);
my $thr2 = threads->create(
sub {
Rmpfr_set_default_rounding_mode(GMP_RNDU);
return Rmpfr_get_default_rounding_mode();
} );
$res = $thr2->join();
if($res == GMP_RNDU && Rmpfr_get_default_rounding_mode() == GMP_RNDZ) {$ok .= 'a'}
else {warn "\n2a: \$res: $res\n rounding: ", Rmpfr_get_default_rounding_mode(), "\n"}
# Needs TLS to work correctly on MS Windows
if($pid = fork()) {
Rmpfr_set_default_rounding_mode(GMP_RNDU);
waitpid($pid,0);
} else {
sleep 1;
Rmpfr_set_default_rounding_mode(GMP_RNDD);
_save(Rmpfr_get_default_rounding_mode());
exit(0);
}
sleep 2;
if(Rmpfr_get_default_rounding_mode() == GMP_RNDU) {$ok .= 'b'}
else {warn "\n2b: rounding: ", Rmpfr_get_default_rounding_mode(), "\n"}
$f = _retrieve();
if($f == 999999) {
warn "Skipping test 2c - couldn't open 'save_child_setting.txt'";
$ok .= 'c';
}
elsif($f == GMP_RNDD) {
$ok .= 'c';
}
else {
warn "\n2c: rounding: $f\n";
}
if($ok eq 'abc') {print "ok 2\n"}
else {
warn "\$ok: $ok\n";
print "not ok 2\n";
}
#######################
$ok = '';
Rmpfr_set_default_rounding_mode(GMP_RNDN);
Rmpfr_set_default_prec(103);
my $thr3 = threads->create(
{'context' => 'list'},
sub {
Rmpfr_set_default_prec(203);
Rmpfr_set_default_rounding_mode(GMP_RNDU);
return (Rmpfr_get_default_prec(), Rmpfr_get_default_rounding_mode());
} );
my @res = $thr3->join();
if($res[0] == 203 && $res[1] == GMP_RNDU && Rmpfr_get_default_prec() == 103 && Rmpfr_get_default_rounding_mode() == GMP_RNDN) {$ok .= 'a'}
else {warn "\n3a: \$res[0]: $res[0]\n \$res[1]: $res[1]\n prec: ", Rmpfr_get_default_prec(), "\n rounding: ", Rmpfr_get_default_rounding_mode(), "\n"}
# Needs TLS to work correctly on MS Windows
if($pid = fork()) {
Rmpfr_set_default_prec(104);
Rmpfr_set_default_rounding_mode(GMP_RNDU);
waitpid($pid,0);
} else {
sleep 1;
Rmpfr_set_default_prec(204);
Rmpfr_set_default_rounding_mode(GMP_RNDD);
my $p = Rmpfr_get_default_prec();
my $r = Rmpfr_get_default_rounding_mode();
_save("$p $r");
exit(0);
}
sleep 2;
if(Rmpfr_get_default_rounding_mode() == GMP_RNDU && Rmpfr_get_default_prec() == 104) {$ok .= 'b'}
else {warn "\n3b: prec: ", Rmpfr_get_default_prec(), "\n rounding: ", Rmpfr_get_default_rounding_mode(), "\n"}
my @f = _retrieve();
if($f[0] == 999999) {
warn "Skipping test 3c - couldn't open 'save_child_setting.txt'";
$ok .= 'c';
}
elsif($f[0] == 204 && $f[1] == GMP_RNDD) {
$ok .= 'c';
}
else {
warn "\n3c: prec: $f[0] rounding: $f[1]\n";
}
if($ok eq 'abc') {print "ok 3\n"}
else {
warn "\$ok: $ok\n";
print "not ok 3\n";
}
#######################
}
else {
warn "Skipping all tests: ${cut_mess}${tls_mess}";
print "ok 1\n";
print "ok 2\n";
print "ok 3\n";
}
sub _save {
unless (open(WR, '>', 'save_child_setting.txt')) {
warn "Can't open file 'save_child_setting.txt' for writing : $!";
return 0;
}
print WR $_[0];
return 1;
}
sub _retrieve {
unless (open (RD, '<', 'save_child_setting.txt')) {
warn "Can't open file 'save_child_setting.txt' for reading: $!";
return 999999;
}
my @ret;
my $ret = <RD>;
chomp $ret;
if($ret =~ / /) {
@ret = split / /, $ret;
return @ret;
}
return $ret;
}
|
