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+/* large.h - Handles binary manipulation of large numbers */
+
+/*
+ libzint - the open source barcode library
+ Copyright (C) 2008 Robin Stuart <robin@zint.org.uk>
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions
+ are met:
+
+ 1. Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ 2. Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+ 3. Neither the name of the project nor the names of its contributors
+ may be used to endorse or promote products derived from this software
+ without specific prior written permission.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+ FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ SUCH DAMAGE.
+*/
+#ifndef __LARGE_H
+#define __LARGE_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+extern void binary_load(short int reg[], char data[], const unsigned int src_len);
+extern void binary_add(short int accumulator[], short int input_buffer[]);
+extern void binary_subtract(short int accumulator[], short int input_buffer[]);
+extern void shiftdown(short int buffer[]);
+extern void shiftup(short int buffer[]);
+extern short int islarger(short int accum[], short int reg[]);
+extern void hex_dump(short int input_buffer[]);
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* __LARGE_H */