mirror of
git://sourceware.org/git/glibc.git
synced 2024-11-21 01:12:26 +08:00
55d530114e
Remove the finite-math tests from the testsuite - these are no longer useful after removing math-finite.h header. Passes buildmanyglibc, build&test on x86_64 and AArch64. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
690 lines
28 KiB
Python
Executable File
690 lines
28 KiB
Python
Executable File
#!/usr/bin/python
|
|
# Generate tests for libm functions.
|
|
# Copyright (C) 2018-2019 Free Software Foundation, Inc.
|
|
# This file is part of the GNU C Library.
|
|
#
|
|
# The GNU C Library is free software; you can redistribute it and/or
|
|
# modify it under the terms of the GNU Lesser General Public
|
|
# License as published by the Free Software Foundation; either
|
|
# version 2.1 of the License, or (at your option) any later version.
|
|
#
|
|
# The GNU C Library is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
# 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
|
|
# <https://www.gnu.org/licenses/>.
|
|
|
|
import argparse
|
|
from collections import defaultdict
|
|
import os
|
|
import re
|
|
|
|
|
|
# Sorted list of all float types in ulps files.
|
|
ALL_FLOATS = ('double', 'float', 'float128', 'idouble',
|
|
'ifloat', 'ifloat128', 'ildouble', 'ldouble')
|
|
|
|
# Map float types in ulps files to C-like prefix for macros.
|
|
ALL_FLOATS_PFX = {'double': 'DBL',
|
|
'ldouble': 'LDBL',
|
|
'float': 'FLT',
|
|
'float128': 'FLT128'}
|
|
|
|
# Float types in the order used in the generated ulps tables in the
|
|
# manual.
|
|
ALL_FLOATS_MANUAL = ('float', 'double', 'ldouble', 'float128')
|
|
|
|
# Map float types in ulps files to C function suffix.
|
|
ALL_FLOATS_SUFFIX = {'double': '',
|
|
'ldouble': 'l',
|
|
'float': 'f',
|
|
'float128': 'f128'}
|
|
|
|
# Number of arguments in structure (as opposed to arguments that are
|
|
# pointers to return values) for an argument descriptor.
|
|
DESCR_NUM_ARGS = {'f': 1, 'a': 1, 'j': 1, 'i': 1, 'u': 1, 'l': 1, 'L': 1,
|
|
'p': 0, 'F': 0, 'I': 0,
|
|
'c': 2}
|
|
|
|
# Number of results in structure for a result descriptor.
|
|
DESCR_NUM_RES = {'f': 1, 'i': 1, 'l': 1, 'L': 1, 'M': 1, 'U': 1, 'b': 1,
|
|
'1': 1,
|
|
'c': 2}
|
|
|
|
# Rounding modes, in the form in which they appear in
|
|
# auto-libm-test-out-* and the order in which expected results appear
|
|
# in structures and TEST_* calls.
|
|
ROUNDING_MODES = ('downward', 'tonearest', 'towardzero', 'upward')
|
|
|
|
# Map from special text in TEST_* calls for rounding-mode-specific
|
|
# results and flags, to those results for each mode.
|
|
ROUNDING_MAP = {
|
|
'plus_oflow': ('max_value', 'plus_infty', 'max_value', 'plus_infty'),
|
|
'minus_oflow': ('minus_infty', 'minus_infty', '-max_value', '-max_value'),
|
|
'plus_uflow': ('plus_zero', 'plus_zero', 'plus_zero', 'min_subnorm_value'),
|
|
'minus_uflow': ('-min_subnorm_value', 'minus_zero', 'minus_zero',
|
|
'minus_zero'),
|
|
'ERRNO_PLUS_OFLOW': ('0', 'ERRNO_ERANGE', '0', 'ERRNO_ERANGE'),
|
|
'ERRNO_MINUS_OFLOW': ('ERRNO_ERANGE', 'ERRNO_ERANGE', '0', '0'),
|
|
'ERRNO_PLUS_UFLOW': ('ERRNO_ERANGE', 'ERRNO_ERANGE', 'ERRNO_ERANGE', '0'),
|
|
'ERRNO_MINUS_UFLOW': ('0', 'ERRNO_ERANGE', 'ERRNO_ERANGE', 'ERRNO_ERANGE'),
|
|
'XFAIL_ROUNDING_IBM128_LIBGCC': ('XFAIL_IBM128_LIBGCC', '0',
|
|
'XFAIL_IBM128_LIBGCC',
|
|
'XFAIL_IBM128_LIBGCC')
|
|
}
|
|
|
|
# Map from raw test arguments to a nicer form to use when displaying
|
|
# test results.
|
|
BEAUTIFY_MAP = {'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'}
|
|
|
|
# Flags in auto-libm-test-out that map directly to C flags.
|
|
FLAGS_SIMPLE = {'ignore-zero-inf-sign': 'IGNORE_ZERO_INF_SIGN',
|
|
'no-test-inline': 'NO_TEST_INLINE',
|
|
'xfail': 'XFAIL_TEST'}
|
|
|
|
# Exceptions in auto-libm-test-out, and their corresponding C flags
|
|
# for being required, OK or required to be absent.
|
|
EXC_EXPECTED = {'divbyzero': 'DIVBYZERO_EXCEPTION',
|
|
'inexact': 'INEXACT_EXCEPTION',
|
|
'invalid': 'INVALID_EXCEPTION',
|
|
'overflow': 'OVERFLOW_EXCEPTION',
|
|
'underflow': 'UNDERFLOW_EXCEPTION'}
|
|
EXC_OK = {'divbyzero': 'DIVBYZERO_EXCEPTION_OK',
|
|
'inexact': '0',
|
|
'invalid': 'INVALID_EXCEPTION_OK',
|
|
'overflow': 'OVERFLOW_EXCEPTION_OK',
|
|
'underflow': 'UNDERFLOW_EXCEPTION_OK'}
|
|
EXC_NO = {'divbyzero': '0',
|
|
'inexact': 'NO_INEXACT_EXCEPTION',
|
|
'invalid': '0',
|
|
'overflow': '0',
|
|
'underflow': '0'}
|
|
|
|
|
|
class Ulps(object):
|
|
"""Maximum expected errors of libm functions."""
|
|
|
|
def __init__(self):
|
|
"""Initialize an Ulps object."""
|
|
# normal[function][float_type] is the ulps value, and likewise
|
|
# for real and imag.
|
|
self.normal = defaultdict(lambda: defaultdict(lambda: 0))
|
|
self.real = defaultdict(lambda: defaultdict(lambda: 0))
|
|
self.imag = defaultdict(lambda: defaultdict(lambda: 0))
|
|
# List of ulps kinds, in the order in which they appear in
|
|
# sorted ulps files.
|
|
self.ulps_kinds = (('Real part of ', self.real),
|
|
('Imaginary part of ', self.imag),
|
|
('', self.normal))
|
|
self
|
|
|
|
def read(self, ulps_file):
|
|
"""Read ulps from a file into an Ulps object."""
|
|
self.ulps_file = ulps_file
|
|
with open(ulps_file, 'r') as f:
|
|
ulps_dict = None
|
|
ulps_fn = None
|
|
for line in f:
|
|
# Ignore comments.
|
|
if line.startswith('#'):
|
|
continue
|
|
line = line.rstrip()
|
|
# Ignore empty lines.
|
|
if line == '':
|
|
continue
|
|
m = re.match(r'([^:]*): (.*)\Z', line)
|
|
if not m:
|
|
raise ValueError('bad ulps line: %s' % line)
|
|
line_first = m.group(1)
|
|
line_second = m.group(2)
|
|
if line_first == 'Function':
|
|
fn = None
|
|
ulps_dict = None
|
|
for k_prefix, k_dict in self.ulps_kinds:
|
|
if line_second.startswith(k_prefix):
|
|
ulps_dict = k_dict
|
|
fn = line_second[len(k_prefix):]
|
|
break
|
|
if not fn.startswith('"') or not fn.endswith('":'):
|
|
raise ValueError('bad ulps line: %s' % line)
|
|
ulps_fn = fn[1:-2]
|
|
else:
|
|
if line_first not in ALL_FLOATS:
|
|
raise ValueError('bad ulps line: %s' % line)
|
|
ulps_val = int(line_second)
|
|
if ulps_val > 0:
|
|
ulps_dict[ulps_fn][line_first] = max(
|
|
ulps_dict[ulps_fn][line_first],
|
|
ulps_val)
|
|
|
|
def all_functions(self):
|
|
"""Return the set of functions with ulps and whether they are
|
|
complex."""
|
|
funcs = set()
|
|
complex = {}
|
|
for k_prefix, k_dict in self.ulps_kinds:
|
|
for f in k_dict:
|
|
funcs.add(f)
|
|
complex[f] = True if k_prefix else False
|
|
return funcs, complex
|
|
|
|
def write(self, ulps_file):
|
|
"""Write ulps back out as a sorted ulps file."""
|
|
# Output is sorted first by function name, then by (real,
|
|
# imag, normal), then by float type.
|
|
out_data = {}
|
|
for order, (prefix, d) in enumerate(self.ulps_kinds):
|
|
for fn in d.keys():
|
|
fn_data = ['%s: %d' % (f, d[fn][f])
|
|
for f in sorted(d[fn].keys())]
|
|
fn_text = 'Function: %s"%s":\n%s' % (prefix, fn,
|
|
'\n'.join(fn_data))
|
|
out_data[(fn, order)] = fn_text
|
|
out_list = [out_data[fn_order] for fn_order in sorted(out_data.keys())]
|
|
out_text = ('# Begin of automatic generation\n\n'
|
|
'# Maximal error of functions:\n'
|
|
'%s\n\n'
|
|
'# end of automatic generation\n'
|
|
% '\n\n'.join(out_list))
|
|
with open(ulps_file, 'w') as f:
|
|
f.write(out_text)
|
|
|
|
@staticmethod
|
|
def ulps_table(name, ulps_dict):
|
|
"""Return text of a C table of ulps."""
|
|
ulps_list = []
|
|
for fn in sorted(ulps_dict.keys()):
|
|
fn_ulps = [str(ulps_dict[fn][f]) for f in ALL_FLOATS]
|
|
ulps_list.append(' { "%s", {%s} },' % (fn, ', '.join(fn_ulps)))
|
|
ulps_text = ('static const struct ulp_data %s[] =\n'
|
|
' {\n'
|
|
'%s\n'
|
|
' };'
|
|
% (name, '\n'.join(ulps_list)))
|
|
return ulps_text
|
|
|
|
def write_header(self, ulps_header):
|
|
"""Write header file with ulps data."""
|
|
header_text_1 = ('/* This file is automatically generated\n'
|
|
' from %s with gen-libm-test.py.\n'
|
|
' Don\'t change it - change instead the master '
|
|
'files. */\n\n'
|
|
'struct ulp_data\n'
|
|
'{\n'
|
|
' const char *name;\n'
|
|
' FLOAT max_ulp[%d];\n'
|
|
'};'
|
|
% (self.ulps_file, len(ALL_FLOATS)))
|
|
macro_list = []
|
|
for i, f in enumerate(ALL_FLOATS):
|
|
if f.startswith('i'):
|
|
itxt = 'I_'
|
|
f = f[1:]
|
|
else:
|
|
itxt = ''
|
|
macro_list.append('#define ULP_%s%s %d'
|
|
% (itxt, ALL_FLOATS_PFX[f], i))
|
|
header_text = ('%s\n\n'
|
|
'%s\n\n'
|
|
'/* Maximal error of functions. */\n'
|
|
'%s\n'
|
|
'%s\n'
|
|
'%s\n'
|
|
% (header_text_1, '\n'.join(macro_list),
|
|
self.ulps_table('func_ulps', self.normal),
|
|
self.ulps_table('func_real_ulps', self.real),
|
|
self.ulps_table('func_imag_ulps', self.imag)))
|
|
with open(ulps_header, 'w') as f:
|
|
f.write(header_text)
|
|
|
|
|
|
def read_all_ulps(srcdir):
|
|
"""Read all platforms' libm-test-ulps files."""
|
|
all_ulps = {}
|
|
for dirpath, dirnames, filenames in os.walk(srcdir):
|
|
if 'libm-test-ulps' in filenames:
|
|
with open(os.path.join(dirpath, 'libm-test-ulps-name')) as f:
|
|
name = f.read().rstrip()
|
|
all_ulps[name] = Ulps()
|
|
all_ulps[name].read(os.path.join(dirpath, 'libm-test-ulps'))
|
|
return all_ulps
|
|
|
|
|
|
def read_auto_tests(test_file):
|
|
"""Read tests from auto-libm-test-out-<function> (possibly None)."""
|
|
auto_tests = defaultdict(lambda: defaultdict(dict))
|
|
if test_file is None:
|
|
return auto_tests
|
|
with open(test_file, 'r') as f:
|
|
for line in f:
|
|
if not line.startswith('= '):
|
|
continue
|
|
line = line[len('= '):].rstrip()
|
|
# Function, rounding mode, condition and inputs, outputs
|
|
# and flags.
|
|
m = re.match(r'([^ ]+) ([^ ]+) ([^: ][^ ]* [^:]*) : (.*)\Z', line)
|
|
if not m:
|
|
raise ValueError('bad automatic test line: %s' % line)
|
|
auto_tests[m.group(1)][m.group(2)][m.group(3)] = m.group(4)
|
|
return auto_tests
|
|
|
|
|
|
def beautify(arg):
|
|
"""Return a nicer representation of a test argument."""
|
|
if arg in BEAUTIFY_MAP:
|
|
return BEAUTIFY_MAP[arg]
|
|
if arg.startswith('-') and arg[1:] in BEAUTIFY_MAP:
|
|
return '-' + BEAUTIFY_MAP[arg[1:]]
|
|
if re.match(r'-?0x[0-9a-f.]*p[-+][0-9]+f\Z', arg):
|
|
return arg[:-1]
|
|
if re.search(r'[0-9]L\Z', arg):
|
|
return arg[:-1]
|
|
return arg
|
|
|
|
|
|
def complex_beautify(arg_real, arg_imag):
|
|
"""Return a nicer representation of a complex test argument."""
|
|
res_real = beautify(arg_real)
|
|
res_imag = beautify(arg_imag)
|
|
if res_imag.startswith('-'):
|
|
return '%s - %s i' % (res_real, res_imag[1:])
|
|
else:
|
|
return '%s + %s i' % (res_real, res_imag)
|
|
|
|
|
|
def apply_lit_token(arg, macro):
|
|
"""Apply the LIT or ARG_LIT macro to a single token."""
|
|
# The macro must only be applied to a floating-point constant, not
|
|
# to an integer constant or lit_* value.
|
|
sign_re = r'[+-]?'
|
|
exp_re = r'([+-])?[0-9]+'
|
|
suffix_re = r'[lLfF]?'
|
|
dec_exp_re = r'[eE]' + exp_re
|
|
hex_exp_re = r'[pP]' + exp_re
|
|
dec_frac_re = r'(?:[0-9]*\.[0-9]+|[0-9]+\.)'
|
|
hex_frac_re = r'(?:[0-9a-fA-F]*\.[0-9a-fA-F]+|[0-9a-fA-F]+\.)'
|
|
dec_int_re = r'[0-9]+'
|
|
hex_int_re = r'[0-9a-fA-F]+'
|
|
dec_cst_re = r'(?:%s(?:%s)?|%s%s)' % (dec_frac_re, dec_exp_re,
|
|
dec_int_re, dec_exp_re)
|
|
hex_cst_re = r'0[xX](?:%s|%s)%s' % (hex_frac_re, hex_int_re, hex_exp_re)
|
|
fp_cst_re = r'(%s(?:%s|%s))%s\Z' % (sign_re, dec_cst_re, hex_cst_re,
|
|
suffix_re)
|
|
m = re.match(fp_cst_re, arg)
|
|
if m:
|
|
return '%s (%s)' % (macro, m.group(1))
|
|
else:
|
|
return arg
|
|
|
|
|
|
def apply_lit(arg, macro):
|
|
"""Apply the LIT or ARG_LIT macro to constants within an expression."""
|
|
# Assume expressions follow the GNU Coding Standards, with tokens
|
|
# separated by spaces.
|
|
return ' '.join([apply_lit_token(t, macro) for t in arg.split()])
|
|
|
|
|
|
def gen_test_args_res(descr_args, descr_res, args, res_rm):
|
|
"""Generate a test given the arguments and per-rounding-mode results."""
|
|
test_snan = False
|
|
all_args_res = list(args)
|
|
for r in res_rm:
|
|
all_args_res.extend(r[:len(r)-1])
|
|
for a in all_args_res:
|
|
if 'snan_value' in a:
|
|
test_snan = True
|
|
# Process the arguments.
|
|
args_disp = []
|
|
args_c = []
|
|
arg_pos = 0
|
|
for d in descr_args:
|
|
if DESCR_NUM_ARGS[d] == 0:
|
|
continue
|
|
if d == 'c':
|
|
args_disp.append(complex_beautify(args[arg_pos],
|
|
args[arg_pos + 1]))
|
|
args_c.append(apply_lit(args[arg_pos], 'LIT'))
|
|
args_c.append(apply_lit(args[arg_pos + 1], 'LIT'))
|
|
else:
|
|
args_disp.append(beautify(args[arg_pos]))
|
|
if d == 'f':
|
|
args_c.append(apply_lit(args[arg_pos], 'LIT'))
|
|
elif d == 'a':
|
|
args_c.append(apply_lit(args[arg_pos], 'ARG_LIT'))
|
|
else:
|
|
args_c.append(args[arg_pos])
|
|
arg_pos += DESCR_NUM_ARGS[d]
|
|
args_disp_text = ', '.join(args_disp).replace('"', '\\"')
|
|
# Process the results.
|
|
for rm in range(len(ROUNDING_MODES)):
|
|
res = res_rm[rm]
|
|
res_pos = 0
|
|
rm_args = []
|
|
ignore_result_any = False
|
|
ignore_result_all = True
|
|
special = []
|
|
for d in descr_res:
|
|
if d == '1':
|
|
special.append(res[res_pos])
|
|
elif DESCR_NUM_RES[d] == 1:
|
|
result = res[res_pos]
|
|
if result == 'IGNORE':
|
|
ignore_result_any = True
|
|
result = '0'
|
|
else:
|
|
ignore_result_all = False
|
|
if d == 'f':
|
|
result = apply_lit(result, 'LIT')
|
|
rm_args.append(result)
|
|
else:
|
|
# Complex result.
|
|
result1 = res[res_pos]
|
|
if result1 == 'IGNORE':
|
|
ignore_result_any = True
|
|
result1 = '0'
|
|
else:
|
|
ignore_result_all = False
|
|
result1 = apply_lit(result1, 'LIT')
|
|
rm_args.append(result1)
|
|
result2 = res[res_pos + 1]
|
|
if result2 == 'IGNORE':
|
|
ignore_result_any = True
|
|
result2 = '0'
|
|
else:
|
|
ignore_result_all = False
|
|
result2 = apply_lit(result2, 'LIT')
|
|
rm_args.append(result2)
|
|
res_pos += DESCR_NUM_RES[d]
|
|
if ignore_result_any and not ignore_result_all:
|
|
raise ValueError('some but not all function results ignored')
|
|
flags = []
|
|
if ignore_result_any:
|
|
flags.append('IGNORE_RESULT')
|
|
if test_snan:
|
|
flags.append('TEST_SNAN')
|
|
flags.append(res[res_pos])
|
|
rm_args.append('|'.join(flags))
|
|
for sp in special:
|
|
if sp == 'IGNORE':
|
|
rm_args.extend(['0', '0'])
|
|
else:
|
|
rm_args.extend(['1', apply_lit(sp, 'LIT')])
|
|
for k in sorted(ROUNDING_MAP.keys()):
|
|
rm_args = [arg.replace(k, ROUNDING_MAP[k][rm]) for arg in rm_args]
|
|
args_c.append('{ %s }' % ', '.join(rm_args))
|
|
return ' { "%s", %s },\n' % (args_disp_text, ', '.join(args_c))
|
|
|
|
|
|
def convert_condition(cond):
|
|
"""Convert a condition from auto-libm-test-out to C form."""
|
|
conds = cond.split(':')
|
|
conds_c = []
|
|
for c in conds:
|
|
if not c.startswith('arg_fmt('):
|
|
c = c.replace('-', '_')
|
|
conds_c.append('TEST_COND_' + c)
|
|
return '(%s)' % ' && '.join(conds_c)
|
|
|
|
|
|
def cond_value(cond, if_val, else_val):
|
|
"""Return a C conditional expression between two values."""
|
|
if cond == '1':
|
|
return if_val
|
|
elif cond == '0':
|
|
return else_val
|
|
else:
|
|
return '(%s ? %s : %s)' % (cond, if_val, else_val)
|
|
|
|
|
|
def gen_auto_tests(auto_tests, descr_args, descr_res, fn):
|
|
"""Generate C code for the auto-libm-test-out-* tests for a function."""
|
|
for rm_idx, rm_name in enumerate(ROUNDING_MODES):
|
|
this_tests = sorted(auto_tests[fn][rm_name].keys())
|
|
if rm_idx == 0:
|
|
rm_tests = this_tests
|
|
if not rm_tests:
|
|
raise ValueError('no automatic tests for %s' % fn)
|
|
else:
|
|
if rm_tests != this_tests:
|
|
raise ValueError('inconsistent lists of tests of %s' % fn)
|
|
test_list = []
|
|
for test in rm_tests:
|
|
fmt_args = test.split()
|
|
fmt = fmt_args[0]
|
|
args = fmt_args[1:]
|
|
test_list.append('#if %s\n' % convert_condition(fmt))
|
|
res_rm = []
|
|
for rm in ROUNDING_MODES:
|
|
test_out = auto_tests[fn][rm][test]
|
|
out_str, flags_str = test_out.split(':', 1)
|
|
this_res = out_str.split()
|
|
flags = flags_str.split()
|
|
flag_cond = {}
|
|
for flag in flags:
|
|
m = re.match(r'([^:]*):(.*)\Z', flag)
|
|
if m:
|
|
f_name = m.group(1)
|
|
cond = convert_condition(m.group(2))
|
|
if f_name in flag_cond:
|
|
if flag_cond[f_name] != '1':
|
|
flag_cond[f_name] = ('%s || %s'
|
|
% (flag_cond[f_name], cond))
|
|
else:
|
|
flag_cond[f_name] = cond
|
|
else:
|
|
flag_cond[flag] = '1'
|
|
flags_c = []
|
|
for flag in sorted(FLAGS_SIMPLE.keys()):
|
|
if flag in flag_cond:
|
|
flags_c.append(cond_value(flag_cond[flag],
|
|
FLAGS_SIMPLE[flag], '0'))
|
|
for exc in sorted(EXC_EXPECTED.keys()):
|
|
exc_expected = EXC_EXPECTED[exc]
|
|
exc_ok = EXC_OK[exc]
|
|
no_exc = EXC_NO[exc]
|
|
exc_cond = flag_cond.get(exc, '0')
|
|
exc_ok_cond = flag_cond.get(exc + '-ok', '0')
|
|
flags_c.append(cond_value(exc_cond,
|
|
cond_value(exc_ok_cond, exc_ok,
|
|
exc_expected),
|
|
cond_value(exc_ok_cond, exc_ok,
|
|
no_exc)))
|
|
if 'errno-edom' in flag_cond and 'errno-erange' in flag_cond:
|
|
raise ValueError('multiple errno values expected')
|
|
if 'errno-edom' in flag_cond:
|
|
if flag_cond['errno-edom'] != '1':
|
|
raise ValueError('unexpected condition for errno-edom')
|
|
errno_expected = 'ERRNO_EDOM'
|
|
elif 'errno-erange' in flag_cond:
|
|
if flag_cond['errno-erange'] != '1':
|
|
raise ValueError('unexpected condition for errno-erange')
|
|
errno_expected = 'ERRNO_ERANGE'
|
|
else:
|
|
errno_expected = 'ERRNO_UNCHANGED'
|
|
if 'errno-edom-ok' in flag_cond:
|
|
if ('errno-erange-ok' in flag_cond
|
|
and (flag_cond['errno-erange-ok']
|
|
!= flag_cond['errno-edom-ok'])):
|
|
errno_unknown_cond = ('%s || %s'
|
|
% (flag_cond['errno-edom-ok'],
|
|
flag_cond['errno-erange-ok']))
|
|
else:
|
|
errno_unknown_cond = flag_cond['errno-edom-ok']
|
|
else:
|
|
errno_unknown_cond = flag_cond.get('errno-erange-ok', '0')
|
|
flags_c.append(cond_value(errno_unknown_cond, '0', errno_expected))
|
|
flags_c = [flag for flag in flags_c if flag != '0']
|
|
if not flags_c:
|
|
flags_c = ['NO_EXCEPTION']
|
|
this_res.append(' | '.join(flags_c))
|
|
res_rm.append(this_res)
|
|
test_list.append(gen_test_args_res(descr_args, descr_res, args,
|
|
res_rm))
|
|
test_list.append('#endif\n')
|
|
return ''.join(test_list)
|
|
|
|
|
|
def gen_test_line(descr_args, descr_res, args_str):
|
|
"""Generate C code for the tests for a single TEST_* line."""
|
|
test_args = args_str.split(',')
|
|
test_args = test_args[1:]
|
|
test_args = [a.strip() for a in test_args]
|
|
num_args = sum([DESCR_NUM_ARGS[c] for c in descr_args])
|
|
num_res = sum([DESCR_NUM_RES[c] for c in descr_res])
|
|
args = test_args[:num_args]
|
|
res = test_args[num_args:]
|
|
if len(res) == num_res:
|
|
# One set of results for all rounding modes, no flags.
|
|
res.append('0')
|
|
res_rm = [res, res, res, res]
|
|
elif len(res) == num_res + 1:
|
|
# One set of results for all rounding modes, with flags.
|
|
if not ('EXCEPTION' in res[-1]
|
|
or 'ERRNO' in res[-1]
|
|
or 'IGNORE_ZERO_INF_SIGN' in res[-1]
|
|
or 'TEST_NAN_SIGN' in res[-1]
|
|
or 'NO_TEST_INLINE' in res[-1]
|
|
or 'XFAIL' in res[-1]):
|
|
raise ValueError('wrong number of arguments: %s' % args_str)
|
|
res_rm = [res, res, res, res]
|
|
elif len(res) == (num_res + 1) * 4:
|
|
# One set of results per rounding mode, with flags.
|
|
nr_plus = num_res + 1
|
|
res_rm = [res[:nr_plus], res[nr_plus:2*nr_plus],
|
|
res[2*nr_plus:3*nr_plus], res[3*nr_plus:]]
|
|
return gen_test_args_res(descr_args, descr_res, args, res_rm)
|
|
|
|
|
|
def generate_testfile(inc_input, auto_tests, c_output):
|
|
"""Generate test .c file from .inc input."""
|
|
test_list = []
|
|
with open(inc_input, 'r') as f:
|
|
for line in f:
|
|
line_strip = line.strip()
|
|
if line_strip.startswith('AUTO_TESTS_'):
|
|
m = re.match(r'AUTO_TESTS_([^_]*)_([^_ ]*) *\(([^)]*)\),\Z',
|
|
line_strip)
|
|
if not m:
|
|
raise ValueError('bad AUTO_TESTS line: %s' % line)
|
|
test_list.append(gen_auto_tests(auto_tests, m.group(1),
|
|
m.group(2), m.group(3)))
|
|
elif line_strip.startswith('TEST_'):
|
|
m = re.match(r'TEST_([^_]*)_([^_ ]*) *\((.*)\),\Z', line_strip)
|
|
if not m:
|
|
raise ValueError('bad TEST line: %s' % line)
|
|
test_list.append(gen_test_line(m.group(1), m.group(2),
|
|
m.group(3)))
|
|
else:
|
|
test_list.append(line)
|
|
with open(c_output, 'w') as f:
|
|
f.write(''.join(test_list))
|
|
|
|
|
|
def generate_err_table_sub(all_ulps, all_functions, fns_complex, platforms):
|
|
"""Generate a single table within the overall ulps table section."""
|
|
plat_width = [' {1000 + i 1000}' for p in platforms]
|
|
plat_header = [' @tab %s' % p for p in platforms]
|
|
table_list = ['@multitable {nexttowardf} %s\n' % ''.join(plat_width),
|
|
'@item Function %s\n' % ''.join(plat_header)]
|
|
for func in all_functions:
|
|
for flt in ALL_FLOATS_MANUAL:
|
|
func_ulps = []
|
|
for p in platforms:
|
|
p_ulps = all_ulps[p]
|
|
if fns_complex[func]:
|
|
ulp_real = p_ulps.real[func][flt]
|
|
ulp_imag = p_ulps.imag[func][flt]
|
|
ulp_str = '%d + i %d' % (ulp_real, ulp_imag)
|
|
ulp_str = ulp_str if ulp_real or ulp_imag else '-'
|
|
else:
|
|
ulp = p_ulps.normal[func][flt]
|
|
ulp_str = str(ulp) if ulp else '-'
|
|
func_ulps.append(ulp_str)
|
|
table_list.append('@item %s%s @tab %s\n'
|
|
% (func, ALL_FLOATS_SUFFIX[flt],
|
|
' @tab '.join(func_ulps)))
|
|
table_list.append('@end multitable\n')
|
|
return ''.join(table_list)
|
|
|
|
|
|
def generate_err_table(all_ulps, err_table):
|
|
"""Generate ulps table for manual."""
|
|
all_platforms = sorted(all_ulps.keys())
|
|
functions_set = set()
|
|
functions_complex = {}
|
|
for p in all_platforms:
|
|
p_functions, p_complex = all_ulps[p].all_functions()
|
|
functions_set.update(p_functions)
|
|
functions_complex.update(p_complex)
|
|
all_functions = sorted([f for f in functions_set
|
|
if ('_downward' not in f
|
|
and '_towardzero' not in f
|
|
and '_upward' not in f
|
|
and '_vlen' not in f)])
|
|
err_table_list = []
|
|
# Print five platforms at a time.
|
|
num_platforms = len(all_platforms)
|
|
for i in range((num_platforms + 4) // 5):
|
|
start = i * 5
|
|
end = i * 5 + 5 if num_platforms >= i * 5 + 5 else num_platforms
|
|
err_table_list.append(generate_err_table_sub(all_ulps, all_functions,
|
|
functions_complex,
|
|
all_platforms[start:end]))
|
|
with open(err_table, 'w') as f:
|
|
f.write(''.join(err_table_list))
|
|
|
|
|
|
def main():
|
|
"""The main entry point."""
|
|
parser = argparse.ArgumentParser(description='Generate libm tests.')
|
|
parser.add_argument('-a', dest='auto_input', metavar='FILE',
|
|
help='input file with automatically generated tests')
|
|
parser.add_argument('-c', dest='inc_input', metavar='FILE',
|
|
help='input file .inc file with tests')
|
|
parser.add_argument('-u', dest='ulps_file', metavar='FILE',
|
|
help='input file with ulps')
|
|
parser.add_argument('-s', dest='srcdir', metavar='DIR',
|
|
help='input source directory with all ulps')
|
|
parser.add_argument('-n', dest='ulps_output', metavar='FILE',
|
|
help='generate sorted ulps file FILE')
|
|
parser.add_argument('-C', dest='c_output', metavar='FILE',
|
|
help='generate output C file FILE from .inc file')
|
|
parser.add_argument('-H', dest='ulps_header', metavar='FILE',
|
|
help='generate output ulps header FILE')
|
|
parser.add_argument('-m', dest='err_table', metavar='FILE',
|
|
help='generate output ulps table for manual FILE')
|
|
args = parser.parse_args()
|
|
ulps = Ulps()
|
|
if args.ulps_file is not None:
|
|
ulps.read(args.ulps_file)
|
|
auto_tests = read_auto_tests(args.auto_input)
|
|
if args.srcdir is not None:
|
|
all_ulps = read_all_ulps(args.srcdir)
|
|
if args.ulps_output is not None:
|
|
ulps.write(args.ulps_output)
|
|
if args.ulps_header is not None:
|
|
ulps.write_header(args.ulps_header)
|
|
if args.c_output is not None:
|
|
generate_testfile(args.inc_input, auto_tests, args.c_output)
|
|
if args.err_table is not None:
|
|
generate_err_table(all_ulps, args.err_table)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
main()
|