#!/usr/bin/perl -w
-# Copyright (C) 1999-2013 Free Software Foundation, Inc.
+# Copyright (C) 1999-2017 Free Software Foundation, Inc.
# This file is part of the GNU C Library.
# Contributed by Andreas Jaeger <aj@suse.de>, 1999.
# 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.
# In the following description $type and $float are:
use strict;
-use vars qw ($input $output);
+use vars qw ($input $output $auto_input);
use vars qw (%results);
-use vars qw (@tests @functions);
-use vars qw ($count);
-use vars qw (%beautify @all_floats);
-use vars qw ($output_dir $ulps_file);
+use vars qw (%beautify @all_floats %all_floats_pfx);
+use vars qw ($output_dir $ulps_file $srcdir);
+use vars qw (%auto_tests);
# 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",
- "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)",
+ "snan_value" => "sNaN",
+ "snan_value_ld" => "sNaN",
);
$ulps_file = 'libm-test-ulps';
$output_dir = '';
+($srcdir = $0) =~ s{[^/]*$}{};
if ($opt_h) {
print "Usage: gen-libm-test.pl [OPTIONS]\n";
$output_dir = $opt_o if ($opt_o);
$input = "libm-test.inc";
+$auto_input = "${srcdir}auto-libm-test-out";
$output = "${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);
return '-' . $beautify{$tmp};
}
}
+ if ($arg =~ /^-?0x[0-9a-f.]*p[-+][0-9]+f$/) {
+ $arg =~ s/f$//;
+ }
if ($arg =~ /[0-9]L$/) {
$arg =~ s/L$//;
}
return $str1;
}
-# Return name of a variable
-sub get_variable {
- my ($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 and exception information for the C line.
-sub new_test {
- my ($test, $exception, $show_exception) = @_;
- my $rest;
-
- # Add ulp.
- if (exists $results{$test}{'has_ulps'}) {
- $rest = ", DELTA$count";
+# 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|" : "");
+ if (defined $exception) {
+ return ", ${ignore_result}${non_finite}${test_snan}$exception";
} else {
- $rest = ', 0';
+ return ", ${ignore_result}${non_finite}${test_snan}0";
}
- if ($show_exception) {
- if (defined $exception) {
- $rest .= ", $exception";
- } else {
- $rest .= ', 0';
- }
- }
- # We must increment here to keep @tests and count in sync
- push @tests, $test;
- ++$count;
- return $rest;
}
-# Treat some functions especially.
-# Currently only sincos needs extra treatment.
-sub special_functions {
- my ($file, $args) = @_;
- my (@args, $str, $test, $cline);
-
- @args = split /,\s*/, $args;
+# Apply the LIT(x) macro to a literal floating point constant
+# and strip any existing suffix.
+sub _apply_lit {
+ my ($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 (${lit})";
+}
- unless ($args[0] =~ /sincos/) {
- die ("Don't know how to handle $args[0] extra.");
+# Apply LIT macro to individual tokens within an expression.
+#
+# This function assumes the C expression follows GNU coding
+# standards. Specifically, a space separates each lexical
+# token. Otherwise, this post-processing may apply LIT
+# incorrectly, or around an entire expression.
+sub apply_lit {
+ my ($lit) = @_;
+ my @toks = split (/ /, $lit);
+ foreach (@toks) {
+ $_ = _apply_lit ($_);
}
- $cline = " { $args[1]";
-
- $str = 'sincos (' . &beautify ($args[1]) . ', &sin_res, &cos_res)';
- # handle sin
- $test = $str . ' puts ' . &beautify ($args[2]) . ' in sin_res';
-
- $cline .= ", \"$test\", $args[2]";
- $cline .= &new_test ($test, $args[4], 0);
-
- # handle cos
- $test = $str . ' puts ' . &beautify ($args[3]) . ' in cos_res';
- $cline .= ", \"$test\", $args[3]";
- $cline .= &new_test ($test, $args[4], 1);
- $cline .= " },\n";
- print $file $cline;
+ return join (' ', @toks);
}
# Parse the arguments to TEST_x_y
sub parse_args {
- my ($file, $descr, $fct, $args) = @_;
- my (@args, $str, $descr_args, $descr_res, @descr);
- my ($current_arg, $cline, $i);
+ my ($file, $descr, $args) = @_;
+ my (@args, $descr_args, $descr_res, @descr);
+ my ($current_arg, $cline, $cline_res, $i);
my (@special);
- my ($extra_var, $call);
+ my ($call_args);
+ my ($ignore_result_any, $ignore_result_all);
+ my ($num_res, @args_res, @start_rm, $rm);
+ my (@plus_oflow, @minus_oflow, @plus_uflow, @minus_uflow);
+ my (@errno_plus_oflow, @errno_minus_oflow);
+ my (@errno_plus_uflow, @errno_minus_uflow);
+ my (@xfail_rounding_ibm128_libgcc);
+ my ($non_finite, $test_snan);
- if ($descr eq 'extra') {
- &special_functions ($file, $args);
- return;
- }
($descr_args, $descr_res) = split /_/,$descr, 2;
@args = split /,\s*/, $args;
- $call = "$fct (";
+ $call_args = "";
# 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; $i++) {
- if ($i >= 1) {
- $call .= ', ';
+ my $comma = "";
+ if ($current_arg > 1) {
+ $comma = ', ';
}
- # FLOAT, int, long int, long long int
- if ($descr[$i] =~ /f|i|l|L/) {
- $call .= &beautify ($args[$current_arg]);
+ # FLOAT, long double, int, unsigned int, long int, long long int
+ if ($descr[$i] =~ /f|j|i|u|l|L/) {
+ $call_args .= $comma . &beautify ($args[$current_arg]);
++$current_arg;
next;
}
- # &FLOAT, &int - argument is added here
+ # Argument passed via pointer.
+ if ($descr[$i] =~ /p/) {
+ next;
+ }
+ # &FLOAT, &int - simplify call by not showing argument.
if ($descr[$i] =~ /F|I/) {
- ++$extra_var;
- $call .= '&' . &get_variable ($extra_var);
next;
}
# complex
if ($descr[$i] eq 'c') {
- $call .= &build_complex_beautify ($args[$current_arg], $args[$current_arg+1]);
+ $call_args .= $comma . &build_complex_beautify ($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/) {
- $str .= &beautify ($args[$current_arg]);
- ++$current_arg;
+ if ($_ =~ /f|i|l|L|M|U/) {
+ ++$num_res;
} elsif ($_ eq 'c') {
- $str .= &build_complex_beautify ($args[$current_arg], $args[$current_arg+1]);
- $current_arg += 2;
+ $num_res += 2;
} elsif ($_ eq 'b') {
# boolean
- $str .= ($args[$current_arg] == 0) ? "false" : "true";
- ++$current_arg;
+ ++$num_res;
} elsif ($_ eq '1') {
- ++$current_arg;
+ ++$num_res;
} else {
die ("$_ is unknown");
}
}
# consistency check
- if ($current_arg == $#args) {
+ if ($#args_res == $num_res - 1) {
+ # One set of results for all rounding modes, no flags.
+ @start_rm = ( 0, 0, 0, 0 );
+ } elsif ($#args_res == $num_res) {
+ # One set of results for all rounding modes, with flags.
die ("wrong number of arguments")
- unless ($args[$current_arg] =~ /EXCEPTION|ERRNO|IGNORE_ZERO_INF_SIGN/);
- } elsif ($current_arg < $#args) {
- die ("wrong number of arguments");
- } elsif ($current_arg > ($#args+1)) {
+ unless ($args_res[$#args_res] =~ /EXCEPTION|ERRNO|IGNORE_ZERO_INF_SIGN|TEST_NAN_SIGN|NO_TEST_INLINE|XFAIL/);
+ @start_rm = ( 0, 0, 0, 0 );
+ } elsif ($#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 {
die ("wrong number of arguments");
}
-
# Put the C program line together
# Reset some variables to start again
$current_arg = 1;
- $extra_var = 0;
- $cline = "{ \"$str\"";
+ $call_args =~ s/\"/\\\"/g;
+ $cline = "{ \"$call_args\"";
@descr = split //,$descr_args;
for ($i=0; $i <= $#descr; $i++) {
# FLOAT, int, long int, long long int
- if ($descr[$i] =~ /f|i|l|L/) {
- $cline .= ", $args[$current_arg]";
+ if ($descr[$i] =~ /f|j|i|u|l|L/) {
+ if ($descr[$i] eq "f") {
+ $cline .= ", " . &apply_lit ($args[$current_arg]);
+ } else {
+ $cline .= ", $args[$current_arg]";
+ }
$current_arg++;
next;
}
- # &FLOAT, &int
- if ($descr[$i] =~ /F|I/) {
+ # &FLOAT, &int, argument passed via pointer
+ if ($descr[$i] =~ /F|I|p/) {
next;
}
# complex
if ($descr[$i] eq 'c') {
- $cline .= ", $args[$current_arg], $args[$current_arg+1]";
+ $cline .= ", " . &apply_lit ($args[$current_arg]);
+ $cline .= ", " . &apply_lit ($args[$current_arg+1]);
$current_arg += 2;
next;
}
}
- $cline .= ", ";
@descr = split //,$descr_res;
- foreach (@descr) {
- if ($_ =~ /b|f|i|l|L/ ) {
- $cline .= $args[$current_arg];
- $current_arg++;
- } elsif ($_ eq 'c') {
- $cline .= "$args[$current_arg], $args[$current_arg+1]";
- $current_arg += 2;
- } elsif ($_ eq '1') {
- push @special, $args[$current_arg];
- ++$current_arg;
- }
- }
- # Add ulp.
- $cline .= &new_test ($str, ($current_arg <= $#args) ? $args[$current_arg] : undef, 1);
-
- # special treatment for some functions
- if ($args[0] eq 'frexp') {
- if (defined $special[0]) {
- my ($extra_expected) = $special[0];
- my ($run_extra) = ($extra_expected ne "IGNORE" ? 1 : 0);
- my ($str) = "$call sets x to $extra_expected";
- if (!$run_extra) {
- $str = "";
- $extra_expected = "0";
- }
- $cline .= ", \"$str\", 123456789, $run_extra, $extra_expected";
- if ($run_extra) {
- $cline .= &new_test ($str, undef, 0);
- } else {
- $cline .= ", 0";
+ @plus_oflow = qw(max_value plus_infty max_value plus_infty);
+ @minus_oflow = qw(minus_infty minus_infty -max_value -max_value);
+ @plus_uflow = qw(plus_zero plus_zero plus_zero min_subnorm_value);
+ @minus_uflow = qw(-min_subnorm_value minus_zero minus_zero minus_zero);
+ @errno_plus_oflow = qw(0 ERRNO_ERANGE 0 ERRNO_ERANGE);
+ @errno_minus_oflow = qw(ERRNO_ERANGE ERRNO_ERANGE 0 0);
+ @errno_plus_uflow = qw(ERRNO_ERANGE ERRNO_ERANGE ERRNO_ERANGE 0);
+ @errno_minus_uflow = qw(0 ERRNO_ERANGE ERRNO_ERANGE ERRNO_ERANGE);
+ @xfail_rounding_ibm128_libgcc = qw(XFAIL_IBM128_LIBGCC 0
+ XFAIL_IBM128_LIBGCC XFAIL_IBM128_LIBGCC);
+ for ($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|M|U/ ) {
+ 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];
+ ++$current_arg;
}
}
- } elsif ($args[0] eq 'gamma' || $args[0] eq 'lgamma') {
- if (defined $special[0]) {
- my ($extra_expected) = $special[0];
- my ($run_extra) = ($extra_expected ne "IGNORE" ? 1 : 0);
- my ($str) = "$call sets signgam to $extra_expected";
- if (!$run_extra) {
- $str = "";
- $extra_expected = "0";
- }
- $cline .= ", \"$str\", 0, $run_extra, $extra_expected";
- if ($run_extra) {
- $cline .= &new_test ($str, undef, 0);
- } else {
- $cline .= ", 0";
- }
+ if ($ignore_result_any && !$ignore_result_all) {
+ die ("some but not all function results ignored\n");
}
- } elsif ($args[0] eq 'modf') {
- if (defined $special[0]) {
- my ($extra_expected) = $special[0];
+ # 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) = ($extra_expected ne "IGNORE" ? 1 : 0);
- my ($str) = "$call sets x to $extra_expected";
if (!$run_extra) {
- $str = "";
$extra_expected = "0";
- }
- $cline .= ", \"$str\", 123.456789, $run_extra, $extra_expected";
- if ($run_extra) {
- $cline .= &new_test ($str, undef, 0);
} else {
- $cline .= ", 0";
- }
- }
- } elsif ($args[0] eq 'remquo') {
- if (defined $special[0]) {
- my ($extra_expected) = $special[0];
- my ($run_extra) = ($extra_expected ne "IGNORE" ? 1 : 0);
- my ($str) = "$call sets x to $extra_expected";
- if (!$run_extra) {
- $str = "";
- $extra_expected = "0";
- }
- $cline .= ", \"$str\", 123456789, $run_extra, $extra_expected";
- if ($run_extra) {
- $cline .= &new_test ($str, undef, 0);
- } else {
- $cline .= ", 0";
+ $extra_expected = apply_lit ($extra_expected);
}
+ $cline_res .= ", $run_extra, $extra_expected";
}
+ $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;
+ $cline_res =~ s/XFAIL_ROUNDING_IBM128_LIBGCC/$xfail_rounding_ibm128_libgcc[$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 " | $cond";
+ }
+}
+
+# Return a conditional expression between two values.
+sub cond_value {
+ my ($cond, $if, $else) = @_;
+ if ($cond eq "1") {
+ return $if;
+ } elsif ($cond eq "0") {
+ return $else;
+ } else {
+ return "($cond ? $if : $else)";
+ }
+}
+
+# Return text to OR a conditional expression between two values into
+# an accumulated flags string.
+sub or_cond_value {
+ my ($cond, $if, $else) = @_;
+ return or_value (cond_value ($cond, $if, $else));
+}
+
# Generate libm-test.c
sub generate_testfile {
my ($input, $output) = @_;
- my ($lasttext);
- my (@args, $i, $str, $thisfct);
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, $args_str);
+ print OUTPUT "#endif\n";
+ }
+ next;
+ }
# TEST_...
if (/^\s*TEST_/) {
my ($descr, $args);
chop;
($descr, $args) = ($_ =~ /TEST_(\w+)\s*\((.*)\)/);
- &parse_args (\*OUTPUT, $descr, $thisfct, $args);
- next;
- }
- # START_DATA (function)
- if (/START_DATA/) {
- ($thisfct) = ($_ =~ /START_DATA\s*\((.*)\)/);
- next;
- }
- # START (function)
- if (/START/) {
- ($thisfct) = ($_ =~ /START\s*\((.*)\)/);
- print OUTPUT " init_max_error ();\n";
- next;
- }
- # END_DATA (function)
- if (/END_DATA/) {
- 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';
- }
- $line .= ");\n";
- print OUTPUT $line;
- push @functions, $fct;
+ &parse_args (\*OUTPUT, $descr, $args);
next;
}
print OUTPUT;
# Parse ulps file
sub parse_ulps {
my ($file) = @_;
- my ($test, $type, $float, $eps, $kind);
+ my ($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) . ":";
# $type has the following values:
# "normal": No complex variable
# ignore comments and empty lines
next if /^#/;
next if /^\s*$/;
- 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 //;
$type = 'normal';
}
($test) = ($_ =~ /^Function:\s*\"([a-zA-Z0-9_]+)\"/);
- $kind = 'fct';
next;
}
- if (/^i?(float|double|ldouble):/) {
+ if (/$float_regex/) {
($float, $eps) = split /\s*:\s*/,$_,2;
if ($eps eq "0") {
# ignore
next;
} else {
- $results{$test}{$type}{'ulp'}{$float} = $eps;
- $results{$test}{'has_ulps'} = 1;
+ if (!defined ($results{$test}{$type}{'ulp'}{$float})
+ || $results{$test}{$type}{'ulp'}{$float} < $eps) {
+ $results{$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";
$last_fct = '';
open NEWULP, ">$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";
- }
- }
- }
- }
- }
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') {
sub get_ulps {
my ($test, $type, $float) = @_;
- if ($type eq 'complex') {
- my ($res);
- # Return 0 instead of BUILD_COMPLEX_ULP (0,0)
- if (!exists $results{$test}{'real'}{'ulp'}{$float} &&
- !exists $results{$test}{'imag'}{'ulp'}{$float}) {
- return "0";
- }
- $res = 'BUILD_COMPLEX_ULP (';
- $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 (exists $results{$test}{$type}{'ulp'}{$float}
+ ? $results{$test}{$type}{'ulp'}{$float} : "0");
}
-# Output the defines for a single test
-sub output_test {
- my ($file, $test, $name) = @_;
+# Return the ulps value for a single test.
+sub get_all_ulps_for_test {
+ my ($test, $type) = @_;
my ($ldouble, $double, $float, $ildouble, $idouble, $ifloat);
- my ($type);
+ my ($ulps_str);
- # Do we have ulps?
- if (!exists $results{$test}{'type'}) {
- return;
- }
- $type = $results{$test}{'type'};
if (exists $results{$test}{'has_ulps'}) {
- # 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";
+ 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 \"$test\" with no ulps\n";
}
}
# Print include file
sub output_ulps {
my ($file, $ulps_filename) = @_;
- my ($i, $fct);
+ my ($i, $fct, $type, $ulp, $ulp_real, $ulp_imag);
+ my (%func_ulps, %func_real_ulps, %func_imag_ulps);
open ULP, ">$file" or die ("Can't open $file: $!");
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 "\n/* Maximal error of functions. */\n";
- foreach $fct (@functions) {
- output_test (\*ULP, $fct, $fct);
+ print ULP "struct ulp_data\n";
+ print ULP "{\n";
+ print ULP " const char *name;\n";
+ print ULP " FLOAT max_ulp[" . @all_floats . "];\n";
+ print ULP "};\n\n";
+
+ for ($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} $i\n";
}
- print ULP "\n/* Error of single function calls. */\n";
- for ($i = 0; $i < $count; $i++) {
- output_test (\*ULP, $tests[$i], $i);
+ 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";
}
+ 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");
+ }
+ }
+ close AUTO;
+}
projects / thirdparty / glibc.git / blobdiff