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| 1 #!/usr/bin/env python |
| 2 # |
1 # Copyright 2013 the V8 project authors. All rights reserved. | 3 # Copyright 2013 the V8 project authors. All rights reserved. |
2 # Redistribution and use in source and binary forms, with or without | 4 # Redistribution and use in source and binary forms, with or without |
3 # modification, are permitted provided that the following conditions are | 5 # modification, are permitted provided that the following conditions are |
4 # met: | 6 # met: |
5 # | 7 # |
6 # * Redistributions of source code must retain the above copyright | 8 # * Redistributions of source code must retain the above copyright |
7 # notice, this list of conditions and the following disclaimer. | 9 # notice, this list of conditions and the following disclaimer. |
8 # * Redistributions in binary form must reproduce the above | 10 # * Redistributions in binary form must reproduce the above |
9 # copyright notice, this list of conditions and the following | 11 # copyright notice, this list of conditions and the following |
10 # disclaimer in the documentation and/or other materials provided | 12 # disclaimer in the documentation and/or other materials provided |
11 # with the distribution. | 13 # with the distribution. |
12 # * Neither the name of Google Inc. nor the names of its | 14 # * Neither the name of Google Inc. nor the names of its |
13 # contributors may be used to endorse or promote products derived | 15 # contributors may be used to endorse or promote products derived |
14 # from this software without specific prior written permission. | 16 # from this software without specific prior written permission. |
15 # | 17 # |
16 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | 18 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
17 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | 19 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
18 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | 20 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
19 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | 21 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
20 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | 22 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
21 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | 23 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
22 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 24 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 25 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 26 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 27 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
26 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 28 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | 29 |
28 import os | 30 # This is a utility for populating the lookup table for the |
| 31 # approximation of trigonometric functions. |
29 | 32 |
30 from testrunner.local import testsuite | 33 import sys, math |
31 from testrunner.objects import testcase | |
32 | 34 |
| 35 SAMPLES = 1800 |
33 | 36 |
34 class IntlTestSuite(testsuite.TestSuite): | 37 TEMPLATE = """\ |
| 38 // Copyright 2013 Google Inc. All Rights Reserved. |
35 | 39 |
36 def __init__(self, name, root): | 40 // This file was generated from a python script. |
37 super(IntlTestSuite, self).__init__(name, root) | |
38 | 41 |
39 def ListTests(self, context): | 42 #include "v8.h" |
40 tests = [] | 43 #include "trig-table.h" |
41 for dirname, dirs, files in os.walk(self.root): | |
42 for dotted in [x for x in dirs if x.startswith('.')]: | |
43 dirs.remove(dotted) | |
44 dirs.sort() | |
45 files.sort() | |
46 for filename in files: | |
47 if (filename.endswith(".js") and filename != "assert.js" and | |
48 filename != "utils.js"): | |
49 testname = os.path.join(dirname[len(self.root) + 1:], filename[:-3]) | |
50 test = testcase.TestCase(self, testname) | |
51 tests.append(test) | |
52 return tests | |
53 | 44 |
54 def GetFlagsForTestCase(self, testcase, context): | 45 namespace v8 { |
55 flags = ["--allow-natives-syntax"] + context.mode_flags | 46 namespace internal { |
56 | 47 |
57 files = [] | 48 const double TrigonometricLookupTable::kSinTable[] = |
58 files.append(os.path.join(self.root, "assert.js")) | 49 { %(sine_table)s }; |
59 files.append(os.path.join(self.root, "utils.js")) | 50 const double TrigonometricLookupTable::kCosXIntervalTable[] = |
60 files.append(os.path.join(self.root, testcase.path + self.suffix())) | 51 { %(cosine_table)s }; |
| 52 const int TrigonometricLookupTable::kSamples = %(samples)i; |
| 53 const int TrigonometricLookupTable::kTableSize = %(table_size)i; |
| 54 const double TrigonometricLookupTable::kSamplesOverPiHalf = |
| 55 %(samples_over_pi_half)s; |
61 | 56 |
62 flags += files | 57 } } // v8::internal |
63 if context.isolates: | 58 """ |
64 flags.append("--isolate") | |
65 flags += files | |
66 | 59 |
67 return testcase.flags + flags | 60 def main(): |
| 61 pi_half = math.pi / 2 |
| 62 interval = pi_half / SAMPLES |
| 63 sin = [] |
| 64 cos_times_interval = [] |
| 65 table_size = SAMPLES + 2 |
68 | 66 |
| 67 for i in range(0, table_size): |
| 68 sample = i * interval |
| 69 sin.append(repr(math.sin(sample))) |
| 70 cos_times_interval.append(repr(math.cos(sample) * interval)) |
69 | 71 |
70 def GetSuite(name, root): | 72 output_file = sys.argv[1] |
71 return IntlTestSuite(name, root) | 73 output = open(str(output_file), "w") |
| 74 output.write(TEMPLATE % { |
| 75 'sine_table': ','.join(sin), |
| 76 'cosine_table': ','.join(cos_times_interval), |
| 77 'samples': SAMPLES, |
| 78 'table_size': table_size, |
| 79 'samples_over_pi_half': repr(SAMPLES / pi_half) |
| 80 }) |
| 81 |
| 82 if __name__ == "__main__": |
| 83 main() |
| 84 |
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