Index: tools/generate-trig-table.py |
diff --git a/tools/generate-trig-table.py b/tools/generate-trig-table.py |
deleted file mode 100644 |
index 0a4fe2861831cce741874d4379cac5f854ee817b..0000000000000000000000000000000000000000 |
--- a/tools/generate-trig-table.py |
+++ /dev/null |
@@ -1,83 +0,0 @@ |
-#!/usr/bin/env python |
-# |
-# Copyright 2013 the V8 project authors. All rights reserved. |
-# Redistribution and use in source and binary forms, with or without |
-# modification, are permitted provided that the following conditions are |
-# met: |
-# |
-# * Redistributions of source code must retain the above copyright |
-# notice, this list of conditions and the following disclaimer. |
-# * Redistributions in binary form must reproduce the above |
-# copyright notice, this list of conditions and the following |
-# disclaimer in the documentation and/or other materials provided |
-# with the distribution. |
-# * Neither the name of Google Inc. nor the names of its |
-# contributors may be used to endorse or promote products derived |
-# from this software without specific prior written permission. |
-# |
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
-# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
-# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
-# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
-# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
-# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
-# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
-# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
-# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
-# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
-# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
- |
-# This is a utility for populating the lookup table for the |
-# approximation of trigonometric functions. |
- |
-import sys, math |
- |
-SAMPLES = 1800 |
- |
-TEMPLATE = """\ |
-// Copyright 2013 Google Inc. All Rights Reserved. |
- |
-// This file was generated from a python script. |
- |
-#include "src/v8.h" |
-#include "src/trig-table.h" |
- |
-namespace v8 { |
-namespace internal { |
- |
- const double TrigonometricLookupTable::kSinTable[] = |
- { %(sine_table)s }; |
- const double TrigonometricLookupTable::kCosXIntervalTable[] = |
- { %(cosine_table)s }; |
- const int TrigonometricLookupTable::kSamples = %(samples)i; |
- const int TrigonometricLookupTable::kTableSize = %(table_size)i; |
- const double TrigonometricLookupTable::kSamplesOverPiHalf = |
- %(samples_over_pi_half)s; |
- |
-} } // v8::internal |
-""" |
- |
-def main(): |
- pi_half = math.pi / 2 |
- interval = pi_half / SAMPLES |
- sin = [] |
- cos_times_interval = [] |
- table_size = SAMPLES + 2 |
- |
- for i in range(0, table_size): |
- sample = i * interval |
- sin.append(repr(math.sin(sample))) |
- cos_times_interval.append(repr(math.cos(sample) * interval)) |
- |
- output_file = sys.argv[1] |
- output = open(str(output_file), "w") |
- output.write(TEMPLATE % { |
- 'sine_table': ','.join(sin), |
- 'cosine_table': ','.join(cos_times_interval), |
- 'samples': SAMPLES, |
- 'table_size': table_size, |
- 'samples_over_pi_half': repr(SAMPLES / pi_half) |
- }) |
- |
-if __name__ == "__main__": |
- main() |