From f40bfc9267b13b54e6379dfe7539447662879d24 Mon Sep 17 00:00:00 2001 From: Sean Bartell Date: Sat, 25 Jun 2011 21:32:25 -0400 Subject: Add codecs to librbcodec. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Change-Id: Id7f4717d51ed02d67cb9f9cb3c0ada4a81843f97 Reviewed-on: http://gerrit.rockbox.org/137 Reviewed-by: Nils Wallménius Tested-by: Nils Wallménius --- apps/codecs/lib/fixedpoint.h | 49 -------------------------------------------- 1 file changed, 49 deletions(-) delete mode 100644 apps/codecs/lib/fixedpoint.h (limited to 'apps/codecs/lib/fixedpoint.h') diff --git a/apps/codecs/lib/fixedpoint.h b/apps/codecs/lib/fixedpoint.h deleted file mode 100644 index 1cbd1573bb..0000000000 --- a/apps/codecs/lib/fixedpoint.h +++ /dev/null @@ -1,49 +0,0 @@ -/*************************************************************************** - * __________ __ ___. - * Open \______ \ ____ ____ | | _\_ |__ _______ ___ - * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / - * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < - * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ - * \/ \/ \/ \/ \/ - * $Id$ - * - * Copyright (C) 2006 Jens Arnold - * - * Fixed point library for plugins - * - * This program 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. - * - * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY - * KIND, either express or implied. - * - ****************************************************************************/ - - /** CODECS - FIXED POINT MATH ROUTINES - USAGE - * - * - x and y arguments are fixed point integers - * - fracbits is the number of fractional bits in the argument(s) - * - functions return long fixed point integers with the specified number - * of fractional bits unless otherwise specified - * - * Calculate sin and cos of an angle: - * fp_sincos(phase, *cos) - * where phase is a 32 bit unsigned integer with 0 representing 0 - * and 0xFFFFFFFF representing 2*pi, and *cos is the address to - * a long signed integer. Value returned is a long signed integer - * from -0x80000000 to 0x7fffffff, representing -1 to 1 respectively. - * That is, value is a fixed point integer with 31 fractional bits. - * - * Take square root of a fixed point number: - * fp_sqrt(x, fracbits) - * - */ -#ifndef _FIXEDPOINT_H_CODECS -#define _FIXEDPOINT_H_CODECS - -long fp_sincos(unsigned long phase, long *cos); -long fp_sqrt(long a, unsigned int fracbits); - -#endif -- cgit v1.2.3