diff options
Diffstat (limited to 'source/blender/blenlib/BLI_math_base_safe.h')
| -rw-r--r-- | source/blender/blenlib/BLI_math_base_safe.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/source/blender/blenlib/BLI_math_base_safe.h b/source/blender/blenlib/BLI_math_base_safe.h new file mode 100644 index 00000000000..88a08c3cbc7 --- /dev/null +++ b/source/blender/blenlib/BLI_math_base_safe.h @@ -0,0 +1,50 @@ +/* + * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ + +#ifndef __BLI_MATH_BASE_SAFE_H__ +#define __BLI_MATH_BASE_SAFE_H__ + +/** \file + * \ingroup bli + * + * This file provides safe alternatives to common math functions like sqrt, powf. + * In this context "safe" means that the output is not NaN if the input is not NaN. + */ + +#include "BLI_math_base.h" + +#ifdef __cplusplus +extern "C" { +#endif + +MINLINE float safe_divide(float a, float b); +MINLINE float safe_modf(float a, float b); +MINLINE float safe_logf(float a, float base); +MINLINE float safe_sqrtf(float a); +MINLINE float safe_inverse_sqrtf(float a); +MINLINE float safe_asinf(float a); +MINLINE float safe_acosf(float a); +MINLINE float safe_powf(float base, float exponent); + +#ifdef __cplusplus +} +#endif + +#if BLI_MATH_DO_INLINE +# include "intern/math_base_safe_inline.c" +#endif + +#endif /* __BLI_MATH_BASE_SAFE_H__ */ |