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author | David Robillard <d@drobilla.net> | 2007-07-24 19:26:47 +0000 |
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committer | David Robillard <d@drobilla.net> | 2007-07-24 19:26:47 +0000 |
commit | bb1c49dfa484db080938cff6f8f70167c9026a1c (patch) | |
tree | 6f6382fcbfddfead6d5c32d19977aed8020d32e4 /src/libs/engine/util.h | |
parent | f0f64e4425acfb8b8633a47faa70f87fc32a4399 (diff) | |
download | ingen-bb1c49dfa484db080938cff6f8f70167c9026a1c.tar.gz ingen-bb1c49dfa484db080938cff6f8f70167c9026a1c.tar.bz2 ingen-bb1c49dfa484db080938cff6f8f70167c9026a1c.zip |
Consistently rename all C++ files .cpp/.hpp.
Fix (some) inclusion guard names to not clash with other libs.
git-svn-id: http://svn.drobilla.net/lad/ingen@613 a436a847-0d15-0410-975c-d299462d15a1
Diffstat (limited to 'src/libs/engine/util.h')
-rw-r--r-- | src/libs/engine/util.h | 74 |
1 files changed, 0 insertions, 74 deletions
diff --git a/src/libs/engine/util.h b/src/libs/engine/util.h deleted file mode 100644 index ce943673..00000000 --- a/src/libs/engine/util.h +++ /dev/null @@ -1,74 +0,0 @@ -/* This file is part of Ingen. - * Copyright (C) 2007 Dave Robillard <http://drobilla.net> - * - * Ingen 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 2 of the License, or (at your option) any later - * version. - * - * Ingen 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 details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#ifndef UTIL_H -#define UTIL_H - -#include <iostream> -#include <cstdlib> - -#include <fenv.h> -#ifdef __SSE__ -#include <xmmintrin.h> -#endif - -using std::cerr; using std::endl; - -namespace Ingen { - -/** Set flags to disable denormal processing. - */ -inline void -set_denormal_flags() -{ -#ifdef __SSE__ - unsigned long a, b, c, d; - - asm("cpuid": "=a" (a), "=b" (b), "=c" (c), "=d" (d) : "a" (1)); - if (d & 1<<25) { /* It has SSE support */ - _MM_SET_FLUSH_ZERO_MODE(_MM_FLUSH_ZERO_ON); - - asm("cpuid": "=a" (a), "=b" (b), "=c" (c), "=d" (d) : "a" (0)); - if (b == 0x756e6547) { /* It's an Intel */ - int stepping, model, family, extfamily; - - family = (a >> 8) & 0xf; - extfamily = (a >> 20) & 0xff; - model = (a >> 4) & 0xf; - stepping = a & 0xf; - if (family == 15 && extfamily == 0 && model == 0 && stepping < 7) { - return; - } - } - asm("cpuid": "=a" (a), "=b" (b), "=c" (c), "=d" (d) : "a" (1)); - if (d & 1<<26) { /* bit 26, SSE2 support */ - _mm_setcsr(_mm_getcsr() | 0x40); - //cerr << "Set SSE denormal fix flag." << endl; - } - } else { - cerr << "This code has been built with SSE support, but your processor does" - << " not support the SSE instruction set." << endl << "Exiting." << endl; - exit(EXIT_FAILURE); - } -#endif - // Set 387 control register via standard C99 interface - fesetround(FE_TOWARDZERO); -} - -} // namespace Ingen - -#endif // UTIL_H |