--- a/misc/winutils/include/libavutil/eval.h	Sat Aug 31 22:30:29 2019 +0300
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,113 +0,0 @@
-/*
- * Copyright (c) 2002 Michael Niedermayer <michaelni@gmx.at>
- *
- * This file is part of Libav.
- *
- * Libav 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.
- *
- * Libav is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with Libav; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-/**
- * @file
- * simple arithmetic expression evaluator
- */
-
-#ifndef AVUTIL_EVAL_H
-#define AVUTIL_EVAL_H
-
-#include "avutil.h"
-
-typedef struct AVExpr AVExpr;
-
-/**
- * Parse and evaluate an expression.
- * Note, this is significantly slower than av_expr_eval().
- *
- * @param res a pointer to a double where is put the result value of
- * the expression, or NAN in case of error
- * @param s expression as a zero terminated string, for example "1+2^3+5*5+sin(2/3)"
- * @param const_names NULL terminated array of zero terminated strings of constant identifiers, for example {"PI", "E", 0}
- * @param const_values a zero terminated array of values for the identifiers from const_names
- * @param func1_names NULL terminated array of zero terminated strings of funcs1 identifiers
- * @param funcs1 NULL terminated array of function pointers for functions which take 1 argument
- * @param func2_names NULL terminated array of zero terminated strings of funcs2 identifiers
- * @param funcs2 NULL terminated array of function pointers for functions which take 2 arguments
- * @param opaque a pointer which will be passed to all functions from funcs1 and funcs2
- * @param log_ctx parent logging context
- * @return 0 in case of success, a negative value corresponding to an
- * AVERROR code otherwise
- */
-int av_expr_parse_and_eval(double *res, const char *s,
-                           const char * const *const_names, const double *const_values,
-                           const char * const *func1_names, double (* const *funcs1)(void *, double),
-                           const char * const *func2_names, double (* const *funcs2)(void *, double, double),
-                           void *opaque, int log_offset, void *log_ctx);
-
-/**
- * Parse an expression.
- *
- * @param expr a pointer where is put an AVExpr containing the parsed
- * value in case of successful parsing, or NULL otherwise.
- * The pointed to AVExpr must be freed with av_expr_free() by the user
- * when it is not needed anymore.
- * @param s expression as a zero terminated string, for example "1+2^3+5*5+sin(2/3)"
- * @param const_names NULL terminated array of zero terminated strings of constant identifiers, for example {"PI", "E", 0}
- * @param func1_names NULL terminated array of zero terminated strings of funcs1 identifiers
- * @param funcs1 NULL terminated array of function pointers for functions which take 1 argument
- * @param func2_names NULL terminated array of zero terminated strings of funcs2 identifiers
- * @param funcs2 NULL terminated array of function pointers for functions which take 2 arguments
- * @param log_ctx parent logging context
- * @return 0 in case of success, a negative value corresponding to an
- * AVERROR code otherwise
- */
-int av_expr_parse(AVExpr **expr, const char *s,
-                  const char * const *const_names,
-                  const char * const *func1_names, double (* const *funcs1)(void *, double),
-                  const char * const *func2_names, double (* const *funcs2)(void *, double, double),
-                  int log_offset, void *log_ctx);
-
-/**
- * Evaluate a previously parsed expression.
- *
- * @param const_values a zero terminated array of values for the identifiers from av_expr_parse() const_names
- * @param opaque a pointer which will be passed to all functions from funcs1 and funcs2
- * @return the value of the expression
- */
-double av_expr_eval(AVExpr *e, const double *const_values, void *opaque);
-
-/**
- * Free a parsed expression previously created with av_expr_parse().
- */
-void av_expr_free(AVExpr *e);
-
-/**
- * Parse the string in numstr and return its value as a double. If
- * the string is empty, contains only whitespaces, or does not contain
- * an initial substring that has the expected syntax for a
- * floating-point number, no conversion is performed. In this case,
- * returns a value of zero and the value returned in tail is the value
- * of numstr.
- *
- * @param numstr a string representing a number, may contain one of
- * the International System number postfixes, for example 'K', 'M',
- * 'G'. If 'i' is appended after the postfix, powers of 2 are used
- * instead of powers of 10. The 'B' postfix multiplies the value for
- * 8, and can be appended after another postfix or used alone. This
- * allows using for example 'KB', 'MiB', 'G' and 'B' as postfix.
- * @param tail if non-NULL puts here the pointer to the char next
- * after the last parsed character
- */
-double av_strtod(const char *numstr, char **tail);
-
-#endif /* AVUTIL_EVAL_H */