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-rw-r--r--libdimension/dimension/inline.h48
-rw-r--r--libdimension/dimension/polynomial.h4
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;