Added tng_compress trajectory compression algorithms

1 files changed, 42 insertions, 0 deletions

diff --git a/include/compression/coder.h b/include/compression/coder.h
new file mode 100644
index 0000000..5cef38a
--- /dev/null
+++ b/include/compression/coder.h
@@ -0,0 +1,42 @@
+/* This code is part of the tng compression routines.
+ *
+ * Written by Daniel Spangberg
+ * Copyright (c) 2010, 2013, The GROMACS development team.
+ *
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1
+ * of the License, or (at your option) any later version.
+ */
+
+#ifndef CODER_H
+#define CODER_H
+
+struct coder
+{
+    unsigned int pack_temporary;
+    int pack_temporary_bits;
+    int stat_overflow;
+    int stat_numval;
+};
+
+struct coder *Ptngc_coder_init(void);
+void Ptngc_coder_deinit(struct coder *coder);
+unsigned char *Ptngc_pack_array(struct coder *coder,int *input, int *length, int coding, int coding_parameter, int natoms, int speed);
+int Ptngc_unpack_array(struct coder *coder,unsigned char *packed,int *output, int length, int coding, int coding_parameter, int natoms);
+unsigned char *Ptngc_pack_array_xtc2(struct coder *coder,int *input, int *length);
+int Ptngc_unpack_array_xtc2(struct coder *coder,unsigned char *packed,int *output, int length);
+unsigned char *Ptngc_pack_array_xtc3(int *input, int *length, int natoms, int speed);
+int Ptngc_unpack_array_xtc3(unsigned char *packed,int *output, int length, int natoms);
+
+void Ptngc_out8bits(struct coder *coder, unsigned char **output);
+void Ptngc_pack_flush(struct coder *coder,unsigned char **output);
+void Ptngc_write_pattern(struct coder *coder,unsigned int pattern, int nbits, unsigned char **output);
+
+void Ptngc_writebits(struct coder *coder,unsigned int value,int nbits, unsigned char **output_ptr);
+void Ptngc_write32bits(struct coder *coder,unsigned int value,int nbits, unsigned char **output_ptr);
+void Ptngc_writemanybits(struct coder *coder,unsigned char *value,int nbits, unsigned char **output_ptr);
+
+
+#endif