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/* (C) Copyright 1993, Fred Hutchinson Cancer Research Center */
/* Use, modification or distribution of these programs is subject to */
/* the terms of the non-commercial licensing agreement in license.h. */
/* frequency.h: hardcoded amino acid frequency information for matricies */
/* Written by: Bill Alford */
/* Change log information is at the end of the file. */
#ifndef FREQUENCY_H_
#define FREQUENCY_H_
/* the default files with the amino acid frequencies */
#define LOCAL_AMINO_FREQUENCY_FILE "default.amino.frq"
#define LOCAL_CODON_FREQUENCY_FILE "default.codon.frq"
/*
* Exported variables and data structures
*/
extern double frequency[MATRIX_AA_WIDTH];
extern double Codon_Usage[64];
/*
* Exported functions
*/
/*
* load_frequencies
* reads in the frequencies if there is a frequency file.
* Parameters:
* char *fname: The frequency file filename
* Return codes: TRUE if there was a frequency file, FALSE if not.
* Creates the global array frequency[]
*/
extern Boolean load_frequencies();
/*
* load_codons
* reads in the codon usages if there is a codon usage file.
* Parameters:
* FILE *ffp: The codon usage file.
* Creates the global array Codon_Usage[]
*/
extern Boolean load_codons();
/*
* frq_qij
* Calls load_frequencies() and load_Qij to initialize the
* global variables frequency[], Qij, RTot
*/
extern void frq_qij();
#endif /* FREQUENCY_H_ */
/* Change log information follows. */
/*
Changes since 3.1:
2/14/97 Added Codon_Usage[] and load_codons()
* Revision 2.2011 1995/07/29 02:34:27 billa
* Made load_frequencies more portable.
*
*
*/
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