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Unified Diff: gcc/libstdc++-v3/testsuite/performance/26_numerics/complex_norm.cc

Issue 3050029: [gcc] GCC 4.5.0=>4.5.1 (Closed) Base URL: ssh://git@gitrw.chromium.org:9222/nacl-toolchain.git
Patch Set: Created 10 years, 5 months ago
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Index: gcc/libstdc++-v3/testsuite/performance/26_numerics/complex_norm.cc
diff --git a/gcc/libstdc++-v3/testsuite/performance/26_numerics/complex_norm.cc b/gcc/libstdc++-v3/testsuite/performance/26_numerics/complex_norm.cc
deleted file mode 100644
index 428959dc1e029ccd554fc28219b9a41139365be5..0000000000000000000000000000000000000000
--- a/gcc/libstdc++-v3/testsuite/performance/26_numerics/complex_norm.cc
+++ /dev/null
@@ -1,74 +0,0 @@
-// Copyright (C) 2003, 2009 Free Software Foundation, Inc.
-//
-// This file is part of the GNU ISO C++ Library. This library is free
-// software; you can redistribute it and/or modify it under the
-// terms of the GNU General Public License as published by the
-// Free Software Foundation; either version 3, or (at your option)
-// any later version.
-
-// This 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 General Public License for more details.
-
-// You should have received a copy of the GNU General Public License along
-// with this library; see the file COPYING3. If not see
-// <http://www.gnu.org/licenses/>.
-
-
-#include <complex>
-#include <testsuite_performance.h>
-
-// based on libstdc++/5730, use --fast-math
-int main()
-{
- using namespace std;
- using namespace __gnu_test;
-
- time_counter time;
- resource_counter resource;
- const int iterations = 2000;
-
- typedef complex<double> complex_type;
- complex_type u[2048];
-
- for (int i = 0; i < 2048; ++i)
- u[i] = 1.0;
-
- start_counters(time, resource);
- for (int i = 0; i < iterations; ++i)
- {
- complex_type * p = u;
- for (int j = 0; j < 2048; ++j)
- {
- double u2 = norm(*p);
- double t = u2 * 0.1;
- *p *= complex_type(cos(t), sin(t));
- ++p;
- }
- }
- stop_counters(time, resource);
- report_performance(__FILE__, "norm", time, resource);
- clear_counters(time, resource);
-
- start_counters(time, resource);
- for (int i = 0; i < iterations; ++i)
- {
- complex_type * p = u;
- for (int j = 0; j < 2048; ++j)
- {
- // Shouldn't be slower than the above.
- double ur = real(*p);
- double ui = imag(*p);
- double u2 = ur * ur + ui * ui;
- double t = u2 * 0.1;
- *p *= complex_type(cos(t), sin(t));
- ++p;
- }
- }
- stop_counters(time, resource);
- report_performance(__FILE__, "", time, resource);
-
- return 0;
-}
-

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