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-rwxr-xr-xtest/math/gen-libm-test.pl857
1 files changed, 395 insertions, 462 deletions
diff --git a/test/math/gen-libm-test.pl b/test/math/gen-libm-test.pl
index 3c3e621..118f352 100755
--- a/test/math/gen-libm-test.pl
+++ b/test/math/gen-libm-test.pl
@@ -1,5 +1,5 @@
-#!/usr/bin/env perl -w
-# Copyright (C) 1999-2016 Free Software Foundation, Inc.
+#!/usr/bin/env perl
+# Copyright (C) 1999 Free Software Foundation, Inc.
# This file is part of the GNU C Library.
# Contributed by Andreas Jaeger <aj@suse.de>, 1999.
@@ -14,15 +14,18 @@
# Lesser General Public License for more details.
# You should have received a copy of the GNU Lesser General Public
-# License along with the GNU C Library; if not, see
-# <http://www.gnu.org/licenses/>.
+# License along with the GNU C Library; see the file COPYING.LIB. If
+# not, see <http://www.gnu.org/licenses/>.
# This file needs to be tidied up
# Note that functions and tests share the same namespace.
# Information about tests are stored in: %results
+# $results{$test}{"kind"} is either "fct" or "test" and flags whether this
+# is a maximal error of a function or a single test.
# $results{$test}{"type"} is the result type, e.g. normal or complex.
# $results{$test}{"has_ulps"} is set if deltas exist.
+# $results{$test}{"has_fails"} is set if exptected failures exist.
# In the following description $type and $float are:
# - $type is either "normal", "real" (for the real part of a complex number)
# or "imag" (for the imaginary part # of a complex number).
@@ -30,6 +33,8 @@
# It represents the underlying floating point type (float, double or long
# double) and if inline functions (the leading i stands for inline)
# are used.
+# $results{$test}{$type}{"fail"}{$float} is defined and has a 1 if
+# the test is expected to fail
# $results{$test}{$type}{"ulp"}{$float} is defined and has a delta as value
@@ -37,37 +42,47 @@ use Getopt::Std;
use strict;
-use vars qw ($input $output $auto_input);
+use vars qw ($input $output);
use vars qw (%results);
-use vars qw (%beautify @all_floats %all_floats_pfx);
-use vars qw ($output_dir $ulps_file $srcdir);
-use vars qw (%auto_tests);
+use vars qw (@tests @functions);
+use vars qw ($count);
+use vars qw (%beautify @all_floats);
+use vars qw ($output_dir $ulps_file);
# all_floats is sorted and contains all recognised float types
@all_floats = ('double', 'float', 'idouble',
'ifloat', 'ildouble', 'ldouble');
-# all_floats_pfx maps C types to their C like prefix for macros.
-%all_floats_pfx =
- ( "double" => "DBL",
- "ldouble" => "LDBL",
- "float" => "FLT",
- );
-
%beautify =
( "minus_zero" => "-0",
"plus_zero" => "+0",
- "-0x0p+0f" => "-0",
- "-0x0p+0" => "-0",
- "-0x0p+0L" => "-0",
- "0x0p+0f" => "+0",
- "0x0p+0" => "+0",
- "0x0p+0L" => "+0",
"minus_infty" => "-inf",
"plus_infty" => "inf",
- "qnan_value" => "qNaN",
- "snan_value" => "sNaN",
- "snan_value_ld" => "sNaN",
+ "nan_value" => "NaN",
+ "M_El" => "e",
+ "M_E2l" => "e^2",
+ "M_E3l" => "e^3",
+ "M_LOG10El", "log10(e)",
+ "M_PIl" => "pi",
+ "M_PI_34l" => "3/4 pi",
+ "M_PI_2l" => "pi/2",
+ "M_PI_4l" => "pi/4",
+ "M_PI_6l" => "pi/6",
+ "M_PI_34_LOG10El" => "3/4 pi*log10(e)",
+ "M_PI_LOG10El" => "pi*log10(e)",
+ "M_PI2_LOG10El" => "pi/2*log10(e)",
+ "M_PI4_LOG10El" => "pi/4*log10(e)",
+ "M_LOG_SQRT_PIl" => "log(sqrt(pi))",
+ "M_LOG_2_SQRT_PIl" => "log(2*sqrt(pi))",
+ "M_2_SQRT_PIl" => "2 sqrt (pi)",
+ "M_SQRT_PIl" => "sqrt (pi)",
+ "INVALID_EXCEPTION" => "invalid exception",
+ "DIVIDE_BY_ZERO_EXCEPTION" => "division by zero exception",
+ "INVALID_EXCEPTION_OK" => "invalid exception allowed",
+ "DIVIDE_BY_ZERO_EXCEPTION_OK" => "division by zero exception allowed",
+ "EXCEPTIONS_OK" => "exceptions allowed",
+ "IGNORE_ZERO_INF_SIGN" => "sign of zero/inf not specified",
+"INVALID_EXCEPTION|IGNORE_ZERO_INF_SIGN" => "invalid exception and sign of zero/inf not specified"
);
@@ -82,7 +97,6 @@ getopts('u:o:nh');
$ulps_file = 'libm-test-ulps';
$output_dir = '';
-($srcdir = $0) =~ s{[^/]*$}{};
if ($opt_h) {
print "Usage: gen-libm-test.pl [OPTIONS]\n";
@@ -97,11 +111,11 @@ $ulps_file = $opt_u if ($opt_u);
$output_dir = $opt_o if ($opt_o);
$input = "libm-test.inc";
-$auto_input = "${srcdir}auto-libm-test-out.m";
$output = "${output_dir}libm-test.c";
+$count = 0;
+
&parse_ulps ($ulps_file);
-&parse_auto_input ($auto_input);
&generate_testfile ($input, $output) unless ($opt_n);
&output_ulps ("${output_dir}libm-test-ulps.h", $ulps_file) unless ($opt_n);
&print_ulps_file ("${output_dir}NewUlps") if ($opt_n);
@@ -121,9 +135,6 @@ sub beautify {
return '-' . $beautify{$tmp};
}
}
- if ($arg =~ /^-?0x[0-9a-f.]*p[-+][0-9]+f$/) {
- $arg =~ s/f$//;
- }
if ($arg =~ /[0-9]L$/) {
$arg =~ s/L$//;
}
@@ -147,433 +158,277 @@ sub build_complex_beautify {
return $str1;
}
-# Return the text to put in an initializer for a test's exception
-# information.
-sub show_exceptions {
- my ($ignore_result, $non_finite, $test_snan, $exception) = @_;
- $ignore_result = ($ignore_result ? "IGNORE_RESULT|" : "");
- $non_finite = ($non_finite ? "NON_FINITE|" : "");
- $test_snan = ($test_snan ? "TEST_SNAN|" : "");
+# Return name of a variable
+sub get_variable {
+ my ($number) = @_;
+
+ return "x" if ($number == 1);
+ return "y" if ($number == 2);
+ return "z" if ($number == 3);
+ # return x1,x2,...
+ $number =-3;
+ return "x$number";
+}
+
+# Add a new test to internal data structures and fill in the
+# ulps, failures and exception information for the C line.
+sub new_test {
+ my ($test, $exception) = @_;
+ my $rest;
+
+ # Add ulp, xfail
+ if (exists $results{$test}{'has_ulps'}) {
+ $rest = ", DELTA$count";
+ } else {
+ $rest = ', 0';
+ }
+ if (exists $results{$test}{'has_fails'}) {
+ $rest .= ", FAIL$count";
+ } else {
+ $rest .= ', 0';
+ }
if (defined $exception) {
- return ", ${ignore_result}${non_finite}${test_snan}$exception";
+ $rest .= ", $exception";
} else {
- return ", ${ignore_result}${non_finite}${test_snan}0";
+ $rest .= ', 0';
}
+ $rest .= ");\n";
+ # We must increment here to keep @tests and count in sync
+ push @tests, $test;
+ ++$count;
+ return $rest;
}
-# Apply the LIT(x) macro to a literal floating point constant
-# and strip any existing suffix.
-sub apply_lit {
- my ($lit) = @_;
- my $exp_re = "([+-])?[[:digit:]]+";
- # Don't wrap something that does not look like a:
- # * Hexadecimal FP value
- # * Decimal FP value without a decimal point
- # * Decimal value with a fraction
- return $lit if $lit !~ /([+-])?0x[[:xdigit:]\.]+[pP]$exp_re/
- and $lit !~ /[[:digit:]]+[eE]$exp_re/
- and $lit !~ /[[:digit:]]*\.[[:digit:]]*([eE]$exp_re)?/;
-
- # Strip any existing literal suffix.
- $lit =~ s/[lLfF]$//;
-
- return "LIT (${lit})";
+# Treat some functions especially.
+# Currently only sincos needs extra treatment.
+sub special_functions {
+ my ($file, $args) = @_;
+ my (@args, $str, $test, $cline);
+
+ @args = split /,\s*/, $args;
+
+ unless ($args[0] =~ /sincos/) {
+ die ("Don't know how to handle $args[0] extra.");
+ }
+ print $file " FUNC (sincos) ($args[1], &sin_res, &cos_res);\n";
+
+ $str = 'sincos (' . &beautify ($args[1]) . ', &sin_res, &cos_res)';
+ # handle sin
+ $test = $str . ' puts ' . &beautify ($args[2]) . ' in sin_res';
+ if ($#args == 4) {
+ $test .= " plus " . &beautify ($args[4]);
+ }
+
+ $cline = " check_float (\"$test\", sin_res, $args[2]";
+ $cline .= &new_test ($test, $args[4]);
+ print $file $cline;
+
+ # handle cos
+ $test = $str . ' puts ' . &beautify ($args[3]) . ' in cos_res';
+ $cline = " check_float (\"$test\", cos_res, $args[3]";
+ # only tests once for exception
+ $cline .= &new_test ($test, undef);
+ print $file $cline;
}
# Parse the arguments to TEST_x_y
sub parse_args {
my ($file, $descr, $args) = @_;
- my (@args, $descr_args, $descr_res, @descr);
- my ($current_arg, $cline, $cline_res, $i);
- my (@special);
- my ($call_args);
- my ($ignore_result_any, $ignore_result_all);
- my ($num_res, @args_res, @start_rm, $rm);
- my (@plus_oflow, @minus_oflow, @plus_uflow, @minus_uflow);
- my (@errno_plus_oflow, @errno_minus_oflow);
- my (@errno_plus_uflow, @errno_minus_uflow);
- my ($non_finite, $test_snan);
-
+ my (@args, $str, $descr_args, $descr_res, @descr);
+ my ($current_arg, $cline, $i);
+ my ($pre, $post, @special);
+ my ($extra_var, $call, $c_call);
+
+ if ($descr eq 'extra') {
+ &special_functions ($file, $args);
+ return;
+ }
($descr_args, $descr_res) = split /_/,$descr, 2;
@args = split /,\s*/, $args;
- $call_args = "";
+ $call = "$args[0] (";
# Generate first the string that's shown to the user
$current_arg = 1;
+ $extra_var = 0;
@descr = split //,$descr_args;
for ($i = 0; $i <= $#descr; $i++) {
- my $comma = "";
- if ($current_arg > 1) {
- $comma = ', ';
+ if ($i >= 1) {
+ $call .= ', ';
}
# FLOAT, int, long int, long long int
- if ($descr[$i] =~ /f|j|i|l|L/) {
- $call_args .= $comma . &beautify ($args[$current_arg]);
+ if ($descr[$i] =~ /f|i|l|L/) {
+ $call .= &beautify ($args[$current_arg]);
++$current_arg;
next;
}
- # &FLOAT, &int - simplify call by not showing argument.
+ # &FLOAT, &int - argument is added here
if ($descr[$i] =~ /F|I/) {
+ ++$extra_var;
+ $call .= '&' . &get_variable ($extra_var);
next;
}
# complex
if ($descr[$i] eq 'c') {
- $call_args .= $comma . &build_complex_beautify ($args[$current_arg], $args[$current_arg+1]);
+ $call .= &build_complex_beautify ($args[$current_arg], $args[$current_arg+1]);
$current_arg += 2;
next;
}
die ("$descr[$i] is unknown");
}
+ $call .= ')';
+ $str = "$call == ";
# Result
- @args_res = @args[$current_arg .. $#args];
- $num_res = 0;
@descr = split //,$descr_res;
foreach (@descr) {
if ($_ =~ /f|i|l|L/) {
- ++$num_res;
+ $str .= &beautify ($args[$current_arg]);
+ ++$current_arg;
} elsif ($_ eq 'c') {
- $num_res += 2;
+ $str .= &build_complex_beautify ($args[$current_arg], $args[$current_arg+1]);
+ $current_arg += 2;
} elsif ($_ eq 'b') {
# boolean
- ++$num_res;
+ $str .= ($args[$current_arg] == 0) ? "false" : "true";
+ ++$current_arg;
} elsif ($_ eq '1') {
- ++$num_res;
+ ++$current_arg;
} else {
die ("$_ is unknown");
}
}
# consistency check
- if ($#args_res == $num_res - 1) {
- # One set of results for all rounding modes, no flags.
- @start_rm = ( 0, 0, 0, 0 );
- } elsif ($#args_res == $num_res) {
- # One set of results for all rounding modes, with flags.
+ if ($current_arg == $#args) {
die ("wrong number of arguments")
- unless ($args_res[$#args_res] =~ /EXCEPTION|ERRNO|IGNORE_ZERO_INF_SIGN|TEST_NAN_SIGN|NO_TEST_INLINE|XFAIL_TEST/);
- @start_rm = ( 0, 0, 0, 0 );
- } elsif ($#args_res == 4 * $num_res + 3) {
- # One set of results per rounding mode, with flags.
- @start_rm = ( 0, $num_res + 1, 2 * $num_res + 2, 3 * $num_res + 3 );
- } else {
+ unless ($args[$current_arg] =~ /EXCEPTION|IGNORE_ZERO_INF_SIGN/);
+ } elsif ($current_arg < $#args) {
+ die ("wrong number of arguments");
+ } elsif ($current_arg > ($#args+1)) {
die ("wrong number of arguments");
}
+
+ # check for exceptions
+ if ($current_arg <= $#args) {
+ $str .= " plus " . &beautify ($args[$current_arg]);
+ }
+
# Put the C program line together
# Reset some variables to start again
$current_arg = 1;
- $cline = "{ \"$call_args\"";
+ $extra_var = 0;
+ if (substr($descr_res,0,1) eq 'f') {
+ $cline = 'check_float'
+ } elsif (substr($descr_res,0,1) eq 'b') {
+ $cline = 'check_bool';
+ } elsif (substr($descr_res,0,1) eq 'c') {
+ $cline = 'check_complex';
+ } elsif (substr($descr_res,0,1) eq 'i') {
+ $cline = 'check_int';
+ } elsif (substr($descr_res,0,1) eq 'l') {
+ $cline = 'check_long';
+ } elsif (substr($descr_res,0,1) eq 'L') {
+ $cline = 'check_longlong';
+ }
+ # Special handling for some macros:
+ $cline .= " (\"$str\", ";
+ if ($args[0] =~ /fpclassify|isnormal|isfinite|signbit/) {
+ $c_call = "$args[0] (";
+ } else {
+ $c_call = " FUNC($args[0]) (";
+ }
@descr = split //,$descr_args;
for ($i=0; $i <= $#descr; $i++) {
+ if ($i >= 1) {
+ $c_call .= ', ';
+ }
# FLOAT, int, long int, long long int
- if ($descr[$i] =~ /f|j|i|l|L/) {
- if ($descr[$i] eq "f") {
- $cline .= ", " . &apply_lit ($args[$current_arg]);
- } else {
- $cline .= ", $args[$current_arg]";
- }
+ if ($descr[$i] =~ /f|i|l|L/) {
+ $c_call .= $args[$current_arg];
$current_arg++;
next;
}
# &FLOAT, &int
if ($descr[$i] =~ /F|I/) {
+ ++$extra_var;
+ $c_call .= '&' . &get_variable ($extra_var);
next;
}
# complex
if ($descr[$i] eq 'c') {
- $cline .= ", " . &apply_lit ($args[$current_arg]);
- $cline .= ", " . &apply_lit ($args[$current_arg+1]);
+ $c_call .= "BUILD_COMPLEX ($args[$current_arg], $args[$current_arg+1])";
$current_arg += 2;
next;
}
}
+ $c_call .= ')';
+ $cline .= "$c_call, ";
@descr = split //,$descr_res;
- @plus_oflow = qw(max_value plus_infty max_value plus_infty);
- @minus_oflow = qw(minus_infty minus_infty -max_value -max_value);
- @plus_uflow = qw(plus_zero plus_zero plus_zero min_subnorm_value);
- @minus_uflow = qw(-min_subnorm_value minus_zero minus_zero minus_zero);
- @errno_plus_oflow = qw(0 ERRNO_ERANGE 0 ERRNO_ERANGE);
- @errno_minus_oflow = qw(ERRNO_ERANGE ERRNO_ERANGE 0 0);
- @errno_plus_uflow = qw(ERRNO_ERANGE ERRNO_ERANGE ERRNO_ERANGE 0);
- @errno_minus_uflow = qw(0 ERRNO_ERANGE ERRNO_ERANGE ERRNO_ERANGE);
- for ($rm = 0; $rm <= 3; $rm++) {
- $current_arg = $start_rm[$rm];
- $ignore_result_any = 0;
- $ignore_result_all = 1;
- $cline_res = "";
- @special = ();
- foreach (@descr) {
- if ($_ =~ /b|f|j|i|l|L/ ) {
- my ($result) = $args_res[$current_arg];
- if ($result eq "IGNORE") {
- $ignore_result_any = 1;
- $result = "0";
- } else {
- $ignore_result_all = 0;
- }
- if ($_ eq "f") {
- $result = apply_lit ($result);
- }
- $cline_res .= ", $result";
- $current_arg++;
- } elsif ($_ eq 'c') {
- my ($result1) = $args_res[$current_arg];
- if ($result1 eq "IGNORE") {
- $ignore_result_any = 1;
- $result1 = "0";
- } else {
- $ignore_result_all = 0;
- }
- my ($result2) = $args_res[$current_arg + 1];
- if ($result2 eq "IGNORE") {
- $ignore_result_any = 1;
- $result2 = "0";
- } else {
- $ignore_result_all = 0;
- }
- $result1 = apply_lit ($result1);
- $result2 = apply_lit ($result2);
- $cline_res .= ", $result1, $result2";
- $current_arg += 2;
- } elsif ($_ eq '1') {
- push @special, $args_res[$current_arg];
- ++$current_arg;
- }
+ foreach (@descr) {
+ if ($_ =~ /b|f|i|l|L/ ) {
+ $cline .= $args[$current_arg];
+ $current_arg++;
+ } elsif ($_ eq 'c') {
+ $cline .= "BUILD_COMPLEX ($args[$current_arg], $args[$current_arg+1])";
+ $current_arg += 2;
+ } elsif ($_ eq '1') {
+ push @special, $args[$current_arg];
+ ++$current_arg;
}
- if ($ignore_result_any && !$ignore_result_all) {
- die ("some but not all function results ignored\n");
+ }
+ # Add ulp, xfail
+ $cline .= &new_test ($str, ($current_arg <= $#args) ? $args[$current_arg] : undef);
+
+ # special treatment for some functions
+ if ($args[0] eq 'frexp') {
+ if (defined $special[0] && $special[0] ne "IGNORE") {
+ my ($str) = "$call sets x to $special[0]";
+ $post = " check_int (\"$str\", x, $special[0]";
+ $post .= &new_test ($str, undef);
}
- # Determine whether any arguments or results, for any rounding
- # mode, are non-finite.
- $non_finite = ($args =~ /qnan_value|snan_value|plus_infty|minus_infty/);
- $test_snan = ($args =~ /snan_value/);
- # Add exceptions.
- $cline_res .= show_exceptions ($ignore_result_any,
- $non_finite,
- $test_snan,
- ($current_arg <= $#args_res)
- ? $args_res[$current_arg]
- : undef);
-
- # special treatment for some functions
- $i = 0;
- foreach (@special) {
- ++$i;
- my ($extra_expected) = $_;
- my ($run_extra) = ($extra_expected ne "IGNORE" ? 1 : 0);
- if (!$run_extra) {
- $extra_expected = "0";
- } else {
- $extra_expected = apply_lit ($extra_expected);
- }
- $cline_res .= ", $run_extra, $extra_expected";
+ } elsif ($args[0] eq 'gamma' || $args[0] eq 'lgamma') {
+ $pre = " signgam = 0;\n";
+ if (defined $special[0] && $special[0] ne "IGNORE") {
+ my ($str) = "$call sets signgam to $special[0]";
+ $post = " check_int (\"$str\", signgam, $special[0]";
+ $post .= &new_test ($str, undef);
+ }
+ } elsif ($args[0] eq 'modf') {
+ if (defined $special[0] && $special[0] ne "IGNORE") {
+ my ($str) = "$call sets x to $special[0]";
+ $post = " check_float (\"$str\", x, $special[0]";
+ $post .= &new_test ($str, undef);
+ }
+ } elsif ($args[0] eq 'remquo') {
+ if (defined $special[0] && $special[0] ne "IGNORE") {
+ my ($str) = "$call sets x to $special[0]";
+ $post = " check_int (\"$str\", x, $special[0]";
+ $post .= &new_test ($str, undef);
}
- $cline_res =~ s/^, //;
- $cline_res =~ s/plus_oflow/$plus_oflow[$rm]/g;
- $cline_res =~ s/minus_oflow/$minus_oflow[$rm]/g;
- $cline_res =~ s/plus_uflow/$plus_uflow[$rm]/g;
- $cline_res =~ s/minus_uflow/$minus_uflow[$rm]/g;
- $cline_res =~ s/ERRNO_PLUS_OFLOW/$errno_plus_oflow[$rm]/g;
- $cline_res =~ s/ERRNO_MINUS_OFLOW/$errno_minus_oflow[$rm]/g;
- $cline_res =~ s/ERRNO_PLUS_UFLOW/$errno_plus_uflow[$rm]/g;
- $cline_res =~ s/ERRNO_MINUS_UFLOW/$errno_minus_uflow[$rm]/g;
- $cline .= ", { $cline_res }";
- }
- print $file " $cline },\n";
-}
-
-# Convert a condition from auto-libm-test-out to C form.
-sub convert_condition {
- my ($cond) = @_;
- my (@conds, $ret);
- @conds = split /:/, $cond;
- foreach (@conds) {
- s/-/_/g;
- s/^/TEST_COND_/;
}
- $ret = join " && ", @conds;
- return "($ret)";
-}
-# Return text to OR a value into an accumulated flags string.
-sub or_value {
- my ($cond) = @_;
- if ($cond eq "0") {
- return "";
- } else {
- return " | $cond";
- }
-}
+ print $file $pre if (defined $pre);
-# Return a conditional expression between two values.
-sub cond_value {
- my ($cond, $if, $else) = @_;
- if ($cond eq "1") {
- return $if;
- } elsif ($cond eq "0") {
- return $else;
- } else {
- return "($cond ? $if : $else)";
- }
-}
+ print $file " $cline";
-# Return text to OR a conditional expression between two values into
-# an accumulated flags string.
-sub or_cond_value {
- my ($cond, $if, $else) = @_;
- return or_value (cond_value ($cond, $if, $else));
+ print $file $post if (defined $post);
}
# Generate libm-test.c
sub generate_testfile {
my ($input, $output) = @_;
+ my ($lasttext);
+ my (@args, $i, $str);
open INPUT, $input or die ("Can't open $input: $!");
open OUTPUT, ">$output" or die ("Can't open $output: $!");
# Replace the special macros
while (<INPUT>) {
- # AUTO_TESTS (function),
- if (/^\s*AUTO_TESTS_/) {
- my ($descr, $func, @modes, $auto_test, $num_auto_tests);
- my (@rm_tests, $rm, $i);
- @modes = qw(downward tonearest towardzero upward);
- ($descr, $func) = ($_ =~ /AUTO_TESTS_(\w+)\s*\((\w+)\)/);
- for ($rm = 0; $rm <= 3; $rm++) {
- $rm_tests[$rm] = [sort keys %{$auto_tests{$func}{$modes[$rm]}}];
- }
- $num_auto_tests = scalar @{$rm_tests[0]};
- for ($rm = 1; $rm <= 3; $rm++) {
- if ($num_auto_tests != scalar @{$rm_tests[$rm]}) {
- die ("inconsistent numbers of tests for $func\n");
- }
- for ($i = 0; $i < $num_auto_tests; $i++) {
- if ($rm_tests[0][$i] ne $rm_tests[$rm][$i]) {
- die ("inconsistent list of tests of $func\n");
- }
- }
- }
- if ($num_auto_tests == 0) {
- die ("no automatic tests for $func\n");
- }
- foreach $auto_test (@{$rm_tests[0]}) {
- my ($format, $inputs, $format_conv, $args_str);
- ($format, $inputs) = split / /, $auto_test, 2;
- $inputs =~ s/ /, /g;
- $format_conv = convert_condition ($format);
- print OUTPUT "#if $format_conv\n";
- $args_str = "$func, $inputs";
- for ($rm = 0; $rm <= 3; $rm++) {
- my ($auto_test_out, $outputs, $flags);
- my ($flags_conv, @flags, %flag_cond);
- $auto_test_out = $auto_tests{$func}{$modes[$rm]}{$auto_test};
- ($outputs, $flags) = split / : */, $auto_test_out;
- $outputs =~ s/ /, /g;
- @flags = split / /, $flags;
- foreach (@flags) {
- if (/^([^:]*):(.*)$/) {
- my ($flag, $cond);
- $flag = $1;
- $cond = convert_condition ($2);
- if (defined ($flag_cond{$flag})) {
- if ($flag_cond{$flag} ne "1") {
- $flag_cond{$flag} .= " || $cond";
- }
- } else {
- $flag_cond{$flag} = $cond;
- }
- } else {
- $flag_cond{$_} = "1";
- }
- }
- $flags_conv = "";
- if (defined ($flag_cond{"ignore-zero-inf-sign"})) {
- $flags_conv .= or_cond_value ($flag_cond{"ignore-zero-inf-sign"},
- "IGNORE_ZERO_INF_SIGN", "0");
- }
- if (defined ($flag_cond{"no-test-inline"})) {
- $flags_conv .= or_cond_value ($flag_cond{"no-test-inline"},
- "NO_TEST_INLINE", "0");
- }
- if (defined ($flag_cond{"xfail"})) {
- $flags_conv .= or_cond_value ($flag_cond{"xfail"},
- "XFAIL_TEST", "0");
- }
- my (@exc_list) = qw(divbyzero inexact invalid overflow underflow);
- my ($exc);
- foreach $exc (@exc_list) {
- my ($exc_expected, $exc_ok, $no_exc, $exc_cond, $exc_ok_cond);
- $exc_expected = "\U$exc\E_EXCEPTION";
- $exc_ok = "\U$exc\E_EXCEPTION_OK";
- $no_exc = "0";
- if ($exc eq "inexact") {
- $exc_ok = "0";
- $no_exc = "NO_INEXACT_EXCEPTION";
- }
- if (defined ($flag_cond{$exc})) {
- $exc_cond = $flag_cond{$exc};
- } else {
- $exc_cond = "0";
- }
- if (defined ($flag_cond{"$exc-ok"})) {
- $exc_ok_cond = $flag_cond{"$exc-ok"};
- } else {
- $exc_ok_cond = "0";
- }
- $flags_conv .= or_cond_value ($exc_cond,
- cond_value ($exc_ok_cond,
- $exc_ok, $exc_expected),
- cond_value ($exc_ok_cond,
- $exc_ok, $no_exc));
- }
- my ($errno_expected, $errno_unknown_cond);
- if (defined ($flag_cond{"errno-edom"})) {
- if ($flag_cond{"errno-edom"} ne "1") {
- die ("unexpected condition for errno-edom");
- }
- if (defined ($flag_cond{"errno-erange"})) {
- die ("multiple errno values expected");
- }
- $errno_expected = "ERRNO_EDOM";
- } elsif (defined ($flag_cond{"errno-erange"})) {
- if ($flag_cond{"errno-erange"} ne "1") {
- die ("unexpected condition for errno-erange");
- }
- $errno_expected = "ERRNO_ERANGE";
- } else {
- $errno_expected = "ERRNO_UNCHANGED";
- }
- if (defined ($flag_cond{"errno-edom-ok"})) {
- if (defined ($flag_cond{"errno-erange-ok"})
- && ($flag_cond{"errno-erange-ok"}
- ne $flag_cond{"errno-edom-ok"})) {
- $errno_unknown_cond = "($flag_cond{\"errno-edom-ok\"} || $flag_cond{\"errno-erange-ok\"})";
- } else {
- $errno_unknown_cond = $flag_cond{"errno-edom-ok"};
- }
- } elsif (defined ($flag_cond{"errno-erange-ok"})) {
- $errno_unknown_cond = $flag_cond{"errno-erange-ok"};
- } else {
- $errno_unknown_cond = "0";
- }
- $flags_conv .= or_cond_value ($errno_unknown_cond,
- "0", $errno_expected);
- if ($flags_conv eq "") {
- $flags_conv = ", NO_EXCEPTION";
- } else {
- $flags_conv =~ s/^ \|/,/;
- }
- $args_str .= ", $outputs$flags_conv";
- }
- &parse_args (\*OUTPUT, $descr, $args_str);
- print OUTPUT "#endif\n";
- }
- next;
- }
# TEST_...
if (/^\s*TEST_/) {
@@ -583,6 +438,41 @@ sub generate_testfile {
&parse_args (\*OUTPUT, $descr, $args);
next;
}
+ # START (function)
+ if (/START/) {
+ print OUTPUT " init_max_error ();\n";
+ next;
+ }
+ # END (function)
+ if (/END/) {
+ my ($fct, $line, $type);
+ if (/complex/) {
+ s/,\s*complex\s*//;
+ $type = 'complex';
+ } else {
+ $type = 'normal';
+ }
+ ($fct) = ($_ =~ /END\s*\((.*)\)/);
+ if ($type eq 'complex') {
+ $line = " print_complex_max_error (\"$fct\", ";
+ } else {
+ $line = " print_max_error (\"$fct\", ";
+ }
+ if (exists $results{$fct}{'has_ulps'}) {
+ $line .= "DELTA$fct";
+ } else {
+ $line .= '0';
+ }
+ if (exists $results{$fct}{'has_fails'}) {
+ $line .= ", FAIL$fct";
+ } else {
+ $line .= ', 0';
+ }
+ $line .= ");\n";
+ print OUTPUT $line;
+ push @functions, $fct;
+ next;
+ }
print OUTPUT;
}
close INPUT;
@@ -594,14 +484,7 @@ sub generate_testfile {
# Parse ulps file
sub parse_ulps {
my ($file) = @_;
- my ($test, $type, $float, $eps, $float_regex);
-
- # Build a basic regex to match type entries in the
- # generated ULPS file.
- foreach my $ftype (@all_floats) {
- $float_regex .= "|" . $ftype;
- }
- $float_regex = "^" . substr ($float_regex, 1) . ":";
+ my ($test, $type, $float, $eps, $kind);
# $type has the following values:
# "normal": No complex variable
@@ -613,6 +496,21 @@ sub parse_ulps {
# ignore comments and empty lines
next if /^#/;
next if /^\s*$/;
+ if (/^Test/) {
+ if (/Real part of:/) {
+ s/Real part of: //;
+ $type = 'real';
+ } elsif (/Imaginary part of:/) {
+ s/Imaginary part of: //;
+ $type = 'imag';
+ } else {
+ $type = 'normal';
+ }
+ s/^.+\"(.*)\".*$/$1/;
+ $test = $_;
+ $kind = 'test';
+ next;
+ }
if (/^Function: /) {
if (/Real part of/) {
s/Real part of //;
@@ -624,26 +522,28 @@ sub parse_ulps {
$type = 'normal';
}
($test) = ($_ =~ /^Function:\s*\"([a-zA-Z0-9_]+)\"/);
+ $kind = 'fct';
next;
}
- if (/$float_regex/) {
+ if (/^i?(float|double|ldouble):/) {
($float, $eps) = split /\s*:\s*/,$_,2;
- if ($eps eq "0") {
+ if ($eps eq 'fail') {
+ $results{$test}{$type}{'fail'}{$float} = 1;
+ $results{$test}{'has_fails'} = 1;
+ } elsif ($eps eq "0") {
# ignore
next;
} else {
- if (!defined ($results{$test}{$type}{'ulp'}{$float})
- || $results{$test}{$type}{'ulp'}{$float} < $eps) {
- $results{$test}{$type}{'ulp'}{$float} = $eps;
- $results{$test}{'has_ulps'} = 1;
- }
+ $results{$test}{$type}{'ulp'}{$float} = $eps;
+ $results{$test}{'has_ulps'} = 1;
}
if ($type =~ /^real|imag$/) {
$results{$test}{'type'} = 'complex';
} elsif ($type eq 'normal') {
$results{$test}{'type'} = 'normal';
}
+ $results{$test}{'kind'} = $kind;
next;
}
print "Skipping unknown entry: `$_'\n";
@@ -656,11 +556,9 @@ sub parse_ulps {
sub clean_up_number {
my ($number) = @_;
- # Remove trailing zeros after the decimal point
- if ($number =~ /\./) {
- $number =~ s/0+$//;
- $number =~ s/\.$//;
- }
+ # Remove trailing zeros
+ $number =~ s/0+$//;
+ $number =~ s/\.$//;
return $number;
}
@@ -672,9 +570,42 @@ sub print_ulps_file {
$last_fct = '';
open NEWULP, ">$file" or die ("Can't open $file: $!");
print NEWULP "# Begin of automatic generation\n";
+ # first the function calls
+ foreach $test (sort keys %results) {
+ next if ($results{$test}{'kind'} ne 'test');
+ foreach $type ('real', 'imag', 'normal') {
+ if (exists $results{$test}{$type}) {
+ if (defined $results{$test}) {
+ ($fct) = ($test =~ /^(\w+)\s/);
+ if ($fct ne $last_fct) {
+ $last_fct = $fct;
+ print NEWULP "\n# $fct\n";
+ }
+ }
+ if ($type eq 'normal') {
+ print NEWULP "Test \"$test\":\n";
+ } elsif ($type eq 'real') {
+ print NEWULP "Test \"Real part of: $test\":\n";
+ } elsif ($type eq 'imag') {
+ print NEWULP "Test \"Imaginary part of: $test\":\n";
+ }
+ foreach $float (@all_floats) {
+ if (exists $results{$test}{$type}{'ulp'}{$float}) {
+ print NEWULP "$float: ",
+ &clean_up_number ($results{$test}{$type}{'ulp'}{$float}),
+ "\n";
+ }
+ if (exists $results{$test}{$type}{'fail'}{$float}) {
+ print NEWULP "$float: fail\n";
+ }
+ }
+ }
+ }
+ }
print NEWULP "\n# Maximal error of functions:\n";
foreach $fct (sort keys %results) {
+ next if ($results{$fct}{'kind'} ne 'fct');
foreach $type ('real', 'imag', 'normal') {
if (exists $results{$fct}{$type}) {
if ($type eq 'normal') {
@@ -690,6 +621,9 @@ sub print_ulps_file {
&clean_up_number ($results{$fct}{$type}{'ulp'}{$float}),
"\n";
}
+ if (exists $results{$fct}{$type}{'fail'}{$float}) {
+ print NEWULP "$float: fail\n";
+ }
}
print NEWULP "\n";
}
@@ -702,31 +636,87 @@ sub print_ulps_file {
sub get_ulps {
my ($test, $type, $float) = @_;
- return (exists $results{$test}{$type}{'ulp'}{$float}
- ? $results{$test}{$type}{'ulp'}{$float} : "0");
+ if ($type eq 'complex') {
+ my ($res);
+ # Return 0 instead of BUILD_COMPLEX (0,0)
+ if (!exists $results{$test}{'real'}{'ulp'}{$float} &&
+ !exists $results{$test}{'imag'}{'ulp'}{$float}) {
+ return "0";
+ }
+ $res = 'BUILD_COMPLEX (';
+ $res .= (exists $results{$test}{'real'}{'ulp'}{$float}
+ ? $results{$test}{'real'}{'ulp'}{$float} : "0");
+ $res .= ', ';
+ $res .= (exists $results{$test}{'imag'}{'ulp'}{$float}
+ ? $results{$test}{'imag'}{'ulp'}{$float} : "0");
+ $res .= ')';
+ return $res;
+ }
+ return (exists $results{$test}{'normal'}{'ulp'}{$float}
+ ? $results{$test}{'normal'}{'ulp'}{$float} : "0");
}
-# Return the ulps value for a single test.
-sub get_all_ulps_for_test {
- my ($test, $type) = @_;
+sub get_failure {
+ my ($test, $type, $float) = @_;
+ if ($type eq 'complex') {
+ # return x,y
+ my ($res);
+ # Return 0 instead of BUILD_COMPLEX_INT (0,0)
+ if (!exists $results{$test}{'real'}{'ulp'}{$float} &&
+ !exists $results{$test}{'imag'}{'ulp'}{$float}) {
+ return "0";
+ }
+ $res = 'BUILD_COMPLEX_INT (';
+ $res .= (exists $results{$test}{'real'}{'fail'}{$float}
+ ? $results{$test}{'real'}{'fail'}{$float} : "0");
+ $res .= ', ';
+ $res .= (exists $results{$test}{'imag'}{'fail'}{$float}
+ ? $results{$test}{'imag'}{'fail'}{$float} : "0");
+ $res .= ')';
+ return $res;
+ }
+ return (exists $results{$test}{'normal'}{'fail'}{$float}
+ ? $results{$test}{'normal'}{'fail'}{$float} : "0");
+
+}
+
+# Output the defines for a single test
+sub output_test {
+ my ($file, $test, $name) = @_;
my ($ldouble, $double, $float, $ildouble, $idouble, $ifloat);
- my ($ulps_str);
+ my ($type);
+ # Do we have ulps/failures?
+ if (!exists $results{$test}{'type'}) {
+ return;
+ }
+ $type = $results{$test}{'type'};
if (exists $results{$test}{'has_ulps'}) {
- foreach $float (@all_floats) {
- $ulps_str .= &get_ulps ($test, $type, $float) . ", ";
- }
- return "{" . substr ($ulps_str, 0, -2) . "}";
- } else {
- die "get_all_ulps_for_test called for \"$test\" with no ulps\n";
+ # XXX use all_floats (change order!)
+ $ldouble = &get_ulps ($test, $type, "ldouble");
+ $double = &get_ulps ($test, $type, "double");
+ $float = &get_ulps ($test, $type, "float");
+ $ildouble = &get_ulps ($test, $type, "ildouble");
+ $idouble = &get_ulps ($test, $type, "idouble");
+ $ifloat = &get_ulps ($test, $type, "ifloat");
+ print $file "#define DELTA$name CHOOSE($ldouble, $double, $float, $ildouble, $idouble, $ifloat)\t/* $test */\n";
+ }
+
+ if (exists $results{$test}{'has_fails'}) {
+ $ldouble = &get_failure ($test, "ldouble");
+ $double = &get_failure ($test, "double");
+ $float = &get_failure ($test, "float");
+ $ildouble = &get_failure ($test, "ildouble");
+ $idouble = &get_failure ($test, "idouble");
+ $ifloat = &get_failure ($test, "ifloat");
+ print $file "#define FAIL$name CHOOSE($ldouble, $double, $float $ildouble, $idouble, $ifloat)\t/* $test */\n";
}
}
# Print include file
sub output_ulps {
my ($file, $ulps_filename) = @_;
- my ($i, $fct, $type, $ulp, $ulp_real, $ulp_imag);
- my (%func_ulps, %func_real_ulps, %func_imag_ulps);
+ my ($i, $fct);
open ULP, ">$file" or die ("Can't open $file: $!");
@@ -734,71 +724,14 @@ sub output_ulps {
print ULP " from $ulps_filename with gen-libm-test.pl.\n";
print ULP " Don't change it - change instead the master files. */\n\n";
- print ULP "struct ulp_data\n";
- print ULP "{\n";
- print ULP " const char *name;\n";
- print ULP " FLOAT max_ulp[" . @all_floats . "];\n";
- print ULP "};\n\n";
-
- for ($i = 0; $i <= $#all_floats; $i++) {
- $type = $all_floats[$i];
- print ULP "#define ULP_";
- if ($type =~ /^i/) {
- print ULP "I_";
- $type = substr $type, 1;
- }
- print ULP "$all_floats_pfx{$type} $i\n";
- }
-
- foreach $fct (keys %results) {
- $type = $results{$fct}{'type'};
- if ($type eq 'normal') {
- $ulp = get_all_ulps_for_test ($fct, 'normal');
- } elsif ($type eq 'complex') {
- $ulp_real = get_all_ulps_for_test ($fct, 'real');
- $ulp_imag = get_all_ulps_for_test ($fct, 'imag');
- } else {
- die "unknown results ($fct) type $type\n";
- }
- if ($type eq 'normal') {
- $func_ulps{$fct} = $ulp;
- } else {
- $func_real_ulps{$fct} = $ulp_real;
- $func_imag_ulps{$fct} = $ulp_imag;
- }
- }
print ULP "\n/* Maximal error of functions. */\n";
- print ULP "static const struct ulp_data func_ulps[] =\n {\n";
- foreach $fct (sort keys %func_ulps) {
- print ULP " { \"$fct\", $func_ulps{$fct} },\n";
+ foreach $fct (@functions) {
+ output_test (\*ULP, $fct, $fct);
}
- print ULP " };\n";
- print ULP "static const struct ulp_data func_real_ulps[] =\n {\n";
- foreach $fct (sort keys %func_real_ulps) {
- print ULP " { \"$fct\", $func_real_ulps{$fct} },\n";
- }
- print ULP " };\n";
- print ULP "static const struct ulp_data func_imag_ulps[] =\n {\n";
- foreach $fct (sort keys %func_imag_ulps) {
- print ULP " { \"$fct\", $func_imag_ulps{$fct} },\n";
- }
- print ULP " };\n";
- close ULP;
-}
-# Parse auto-libm-test-out.
-sub parse_auto_input {
- my ($file) = @_;
- open AUTO, $file or die ("Can't open $file: $!");
- while (<AUTO>) {
- chop;
- next if !/^= /;
- s/^= //;
- if (/^(\S+) (\S+) ([^:]*) : (.*)$/) {
- $auto_tests{$1}{$2}{$3} = $4;
- } else {
- die ("bad automatic test line: $_\n");
- }
+ print ULP "\n/* Error of single function calls. */\n";
+ for ($i = 0; $i < $count; $i++) {
+ output_test (\*ULP, $tests[$i], $i);
}
- close AUTO;
+ close ULP;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-07 13:28:54 +0000