Initial Arduino IDE based on Processing.

build/shared/lib/avrlib/fixedpt.h

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+/*! \file fixedpt.h \brief Fixed-point math function library. */
+//*****************************************************************************
+//
+// File Name	: 'fixedpt.h'
+// Title		: Fixed-point math function library
+// Author		: Pascal Stang - Copyright (C) 2003
+// Created		: 2003.01.26
+// Revised		: 2003.02.04
+// Version		: 0.1
+// Target MCU	: Atmel AVR Series
+// Editor Tabs	: 4
+//
+// NOTE: This code is currently below version 1.0, and therefore is considered
+// to be lacking in some functionality or documentation, or may not be fully
+// tested.  Nonetheless, you can expect most functions to work.
+//
+// This code is distributed under the GNU Public License
+//		which can be found at http://www.gnu.org/licenses/gpl.txt
+//
+//*****************************************************************************
+
+#ifndef FIXEDPT_H
+#define FIXEDPT_H
+
+#include "global.h"
+
+// constants/macros/typdefs
+
+// functions
+
+//! fixedptInit() initializes fixed-point math function library
+//   set the number of bits to use behind the point
+void fixedptInit(u08 fixedPtBits);
+
+//! convert integer to fixed-point number
+s32 fixedptConvertFromInt(s32 int_number);
+
+//! convert fixed-point number to integer
+s32 fixedptConvertToInt(s32 fp_number);
+
+//! add a and b (a+b) with fixed-point math
+s32 fixedptAdd(s32 a, s32 b);
+
+//! subtract a and b (a-b) with fixed-point math
+s32 fixedptSubtract(s32 a, s32 b);
+
+//! multiply a and b (a*b) with fixed-point math
+s32 fixedptMultiply(s32 a, s32 b);
+
+//! divide numer by denom (numer/denom) with fixed-point math
+s32 fixedptDivide(s32 numer, s32 denom);
+
+#endif