diff options
Diffstat (limited to 'libdimension/dimension')
| -rw-r--r-- | libdimension/dimension/inline.h | 48 | ||||
| -rw-r--r-- | libdimension/dimension/polynomial.h | 4 |
2 files changed, 50 insertions, 2 deletions
diff --git a/libdimension/dimension/inline.h b/libdimension/dimension/inline.h new file mode 100644 index 0000000..edf92b1 --- /dev/null +++ b/libdimension/dimension/inline.h @@ -0,0 +1,48 @@ +/************************************************************************* + * Copyright (C) 2009-2010 Tavian Barnes <tavianator@gmail.com> * + * * + * This file is part of The Dimension Library. * + * * + * The Dimension Library 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 3 of the * + * License, or (at your option) any later version. * + * * + * The Dimension Library 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 this program. If not, see * + * <http://www.gnu.org/licenses/>. * + *************************************************************************/ + +/* + * Handle inlines nicely without cheating and making them static. The + * DMNSN_INLINE macro is set appropriately for the version of C you're using, + * and non-inline versions are emitted in exactly one translation unit when + * necessary. + */ + +#ifndef DIMENSION_INLINE_H +#define DIMENSION_INLINE_H + +#ifndef DMNSN_INLINE + #ifdef __cplusplus + /* C++ inline semantics */ + #define DMNSN_INLINE inline + #elif __STDC_VERSION__ >= 199901L + /* C99 inline semantics */ + #define DMNSN_INLINE inline + #elif defined(__GNUC__) + /* GCC inline semantics */ + #define DMNSN_INLINE __extension__ extern __inline__ + #else + /* Unknown C - mark functions static and hope the compiler is smart enough + to inline them */ + #define DMNSN_INLINE static + #endif +#endif + +#endif /* DIMENSION_INLINE_H */ diff --git a/libdimension/dimension/polynomial.h b/libdimension/dimension/polynomial.h index ffe3014..56e3ac0 100644 --- a/libdimension/dimension/polynomial.h +++ b/libdimension/dimension/polynomial.h @@ -34,8 +34,8 @@ DMNSN_INLINE double dmnsn_evaluate_polynomial(const double poly[], size_t degree, double x) { double ret = poly[degree]; - ssize_t i; - for (i = degree - 1; i >= 0; --i) { + size_t i; + for (i = degree; i-- > 0;) { ret = ret*x + poly[i]; } return ret; |