Add basic FPU unit test
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#include <cassert>
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#include "pbd/compose.h"
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#include "pbd/fpu.h"
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#include "pbd/malign.h"
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#include "libs/ardour/ardour/mix.h"
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#include "fpu_test.h"
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#if defined(__APPLE__)
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#include <CoreFoundation/CoreFoundation.h>
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#endif
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CPPUNIT_TEST_SUITE_REGISTRATION(FPUTest);
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void
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FPUTest::setUp ()
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{
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_size = 1024;
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cache_aligned_malloc ((void**) &_test1, sizeof (float) * _size);
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cache_aligned_malloc ((void**) &_test2, sizeof (float) * _size);
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cache_aligned_malloc ((void**) &_comp1, sizeof (float) * _size);
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cache_aligned_malloc ((void**) &_comp2, sizeof (float) * _size);
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for (size_t i = 0; i < _size; ++i) {
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_test1[i] = _comp1[i] = 3.0 / (i + 1.0);
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_test2[i] = _comp2[i] = 2.5 / (i + 1.0);
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}
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}
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void
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FPUTest::tearDown ()
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{
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cache_aligned_free (_comp1);
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cache_aligned_free (_comp2);
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cache_aligned_free (_test1);
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cache_aligned_free (_test2);
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}
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void
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FPUTest::run ()
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{
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CPPUNIT_ASSERT_MESSAGE ("Aligned Malloc", (((intptr_t)_test1) % 32) == 0);
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CPPUNIT_ASSERT_MESSAGE ("Aligned Malloc", (((intptr_t)_test2) % 32) == 0);
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apply_gain_to_buffer (_test1, _size, 1.33);
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default_apply_gain_to_buffer (_comp1, _size, 1.33);
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compare ("Apply Gain", _size);
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for (size_t off = 0; off < 32; ++off) {
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for (size_t cnt = 1; cnt < 32; ++cnt) {
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/* apply gain */
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#if 0 // This segfaults currently with AVX
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apply_gain_to_buffer (&_test1[off], cnt, 0.99);
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default_apply_gain_to_buffer (&_comp1[off], cnt, 0.99);
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compare (string_compose ("Apply Gain not aligned off: %1 cnt: %2", off, cnt), cnt);
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#endif
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/* compute peak */
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float pk_test = 0;
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float pk_comp = 0;
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pk_test = compute_peak (&_test1[off], cnt, pk_test);
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pk_comp = default_compute_peak (&_comp1[off], cnt, pk_comp);
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CPPUNIT_ASSERT_MESSAGE (string_compose ("Compute peak not aligned off: %1 cnt: %2", off, cnt), fabsf (pk_test - pk_comp) < 1e-6);
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/* mix buffers w/gain */
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mix_buffers_with_gain (&_test1[off], &_test2[off], cnt, 0.45);
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default_mix_buffers_with_gain (&_comp1[off], &_comp2[off], cnt, 0.45);
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compare (string_compose ("Mix Buffers w/gain not aligned off: %1 cnt: %2", off, cnt), cnt);
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/* mix buffers w/o gain */
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mix_buffers_no_gain (&_test1[off], &_test2[off], cnt);
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default_mix_buffers_no_gain (&_comp1[off], &_comp2[off], cnt);
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compare (string_compose ("Mix Buffers no gain not aligned off: %1 cnt: %2", off, cnt), cnt);
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/* copy vector */
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copy_vector (&_test1[off], &_test2[off], cnt);
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default_copy_vector (&_comp1[off], &_comp2[off], cnt);
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compare (string_compose ("Copy Vector not aligned off: %1 cnt: %2", off, cnt), cnt);
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/* find_peaks */
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float pk_test_max;
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float pk_comp_max;
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find_peaks (&_test1[off], cnt, &pk_test, &pk_test_max);
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default_find_peaks (&_comp1[off], cnt, &pk_comp, &pk_comp_max);
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CPPUNIT_ASSERT_MESSAGE (string_compose ("Find peaks not aligned off: %1 cnt: %2", off, cnt), fabsf (pk_test - pk_comp) < 2e-6 && fabsf (pk_test_max - pk_comp_max) < 2e-6);
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}
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}
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}
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void
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FPUTest::compare (std::string msg, size_t cnt)
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{
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size_t err = 0;
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for (size_t i = 0; i < cnt; ++i) {
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if (_test1[i] != _comp1[i]) {
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++err;
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}
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}
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CPPUNIT_ASSERT_MESSAGE (msg, err == 0);
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}
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#if defined(ARCH_X86) && defined(BUILD_SSE_OPTIMIZATIONS)
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void
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FPUTest::avxTest ()
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{
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PBD::FPU* fpu = PBD::FPU::instance ();
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if (!fpu->has_avx ()) {
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printf ("AVX is not available at run-time\n");
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return;
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}
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compute_peak = x86_sse_avx_compute_peak;
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find_peaks = x86_sse_avx_find_peaks;
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apply_gain_to_buffer = x86_sse_avx_apply_gain_to_buffer;
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mix_buffers_with_gain = x86_sse_avx_mix_buffers_with_gain;
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mix_buffers_no_gain = x86_sse_avx_mix_buffers_no_gain;
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copy_vector = x86_sse_avx_copy_vector;
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//run ();
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}
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void
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FPUTest::sseTest ()
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{
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PBD::FPU* fpu = PBD::FPU::instance ();
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if (!fpu->has_avx ()) {
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printf ("SSE is not available at run-time\n");
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return;
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}
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compute_peak = x86_sse_compute_peak;
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find_peaks = x86_sse_find_peaks;
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apply_gain_to_buffer = x86_sse_apply_gain_to_buffer;
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mix_buffers_with_gain = x86_sse_mix_buffers_with_gain;
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mix_buffers_no_gain = x86_sse_mix_buffers_no_gain;
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copy_vector = default_copy_vector;
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run ();
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}
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#elif defined ARM_NEON_SUPPORT
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void
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FPUTest::neonTest ()
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{
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PBD::FPU* fpu = PBD::FPU::instance ();
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if (!fpu->has_neon ()) {
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printf ("NEON is not available at run-time\n");
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return;
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}
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run ();
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}
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#elif defined(__APPLE__) && defined(BUILD_VECLIB_OPTIMIZATIONS)
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void
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FPUTest::veclibTest ()
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{
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CPPUNIT_ASSERT_MESSAGE ("Aligned Malloc", (((intptr_t)_test1) % 32) == 0);
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if (floor (kCFCoreFoundationVersionNumber) <= kCFCoreFoundationVersionNumber10_4) {
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printf ("veclib is not available at run-time\n");
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return;
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}
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compute_peak = veclib_compute_peak;
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find_peaks = veclib_find_peaks;
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apply_gain_to_buffer = veclib_apply_gain_to_buffer;
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mix_buffers_with_gain = veclib_mix_buffers_with_gain;
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mix_buffers_no_gain = veclib_mix_buffers_no_gain;
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copy_vector = default_copy_vector;
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run ();
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}
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#else
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void
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FPUTest::noTest ()
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{
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printf ("HW acceleration is disabled at compile-time\n");
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}
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#endif
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#include <cppunit/TestFixture.h>
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#include <cppunit/extensions/HelperMacros.h>
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#include "ardour/runtime_functions.h"
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class FPUTest : public CppUnit::TestFixture
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{
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CPPUNIT_TEST_SUITE (FPUTest);
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#if defined(ARCH_X86) && defined(BUILD_SSE_OPTIMIZATIONS)
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CPPUNIT_TEST (sseTest);
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CPPUNIT_TEST (avxTest);
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#elif defined ARM_NEON_SUPPORT
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CPPUNIT_TEST (neonTest);
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#elif defined(__APPLE__) && defined(BUILD_VECLIB_OPTIMIZATIONS)
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CPPUNIT_TEST (veclibTest);
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#else
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CPPUNIT_TEST (noTest);
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#endif
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CPPUNIT_TEST_SUITE_END ();
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public:
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void setUp ();
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void tearDown ();
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#if defined(ARCH_X86) && defined(BUILD_SSE_OPTIMIZATIONS)
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void avxTest ();
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void sseTest ();
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#elif defined ARM_NEON_SUPPORT
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void neonTest ();
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#elif defined(__APPLE__) && defined(BUILD_VECLIB_OPTIMIZATIONS)
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void veclibTest ();
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#else
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void noTest ();
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#endif
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private:
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void run ();
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void compare (std::string, size_t);
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ARDOUR::compute_peak_t compute_peak;
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ARDOUR::find_peaks_t find_peaks;
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ARDOUR::apply_gain_to_buffer_t apply_gain_to_buffer;
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ARDOUR::mix_buffers_with_gain_t mix_buffers_with_gain;
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ARDOUR::mix_buffers_no_gain_t mix_buffers_no_gain;
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ARDOUR::copy_vector_t copy_vector;
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size_t _size;
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float* _test1;
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float* _test2;
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float* _comp1;
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float* _comp2;
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};
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@ -557,6 +557,7 @@ def build(bld):
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create_ardour_test_program(bld, obj.includes, 'audio_engine_test', 'test_audio_engine', ['test/audio_engine_test.cc'])
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create_ardour_test_program(bld, obj.includes, 'automation_list_property_test', 'test_automation_list_property', ['test/automation_list_property_test.cc'])
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create_ardour_test_program(bld, obj.includes, 'bbt', 'test_bbt', ['test/bbt_test.cc'])
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create_ardour_test_program(bld, obj.includes, 'fpu', 'test_fpu', ['test/fpu_test.cc'])
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create_ardour_test_program(bld, obj.includes, 'tempo', 'test_tempo', ['test/tempo_test.cc'])
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create_ardour_test_program(bld, obj.includes, 'lua_script', 'test_lua_script', ['test/lua_script_test.cc'])
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create_ardour_test_program(bld, obj.includes, 'midi_clock', 'test_midi_clock', ['test/midi_clock_test.cc'])
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@ -578,6 +579,7 @@ def build(bld):
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test/automation_list_property_test.cc
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test/bbt_test.cc
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test/dsp_load_calculator_test.cc
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test/fpu_test.cc
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test/tempo_test.cc
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test/lua_script_test.cc
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test/midi_clock_test.cc
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