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- /* roots/roots.h
- *
- * Copyright (C) 1996, 1997, 1998, 1999, 2000 Reid Priedhorsky, Brian Gough
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or (at
- * your option) any later version.
- *
- * This program 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
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
- /* roots.h -- declarations for internal root finding and RF support stuff. */
-
- #ifndef __ROOTS_H__
- #define __ROOTS_H__
-
- /* Call the pointed-to function with argument x, put its result in y, and barf
- if it returned something icky. */
-
- #define SAFE_FUNC_CALL(f, x, yp) \
- do { \
- *yp = GSL_FN_EVAL(f,x); \
- if (!finite(*yp)) \
- GSL_ERROR("function not continuous", GSL_EBADFUNC); \
- } while (0)
-
- #endif /* __ROOTS_H__ */
-
-
-