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Diffstat (limited to 'source/blender/blenlib/intern/math_base_safe_inline.c')
-rw-r--r--source/blender/blenlib/intern/math_base_safe_inline.c79
1 files changed, 79 insertions, 0 deletions
diff --git a/source/blender/blenlib/intern/math_base_safe_inline.c b/source/blender/blenlib/intern/math_base_safe_inline.c
new file mode 100644
index 00000000000..5600382e395
--- /dev/null
+++ b/source/blender/blenlib/intern/math_base_safe_inline.c
@@ -0,0 +1,79 @@
+/*
+ * 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 __MATH_BASE_SAFE_INLINE_C__
+#define __MATH_BASE_SAFE_INLINE_C__
+
+#include "BLI_math_base_safe.h"
+#include "BLI_utildefines.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+MINLINE float safe_divide(float a, float b)
+{
+ return (b != 0.0f) ? a / b : 0.0f;
+}
+
+MINLINE float safe_modf(float a, float b)
+{
+ return (b != 0.0f) ? fmodf(a, b) : 0.0f;
+}
+
+MINLINE float safe_logf(float a, float base)
+{
+ if (UNLIKELY(a <= 0.0f || base <= 0.0f)) {
+ return 0.0f;
+ }
+ return safe_divide(logf(a), logf(base));
+}
+
+MINLINE float safe_sqrtf(float a)
+{
+ return sqrtf(MAX2(a, 0.0f));
+}
+
+MINLINE float safe_inverse_sqrtf(float a)
+{
+ return (a > 0.0f) ? 1.0f / sqrtf(a) : 0.0f;
+}
+
+MINLINE float safe_asinf(float a)
+{
+ CLAMP(a, -1.0f, 1.0f);
+ return asinf(a);
+}
+
+MINLINE float safe_acosf(float a)
+{
+ CLAMP(a, -1.0f, 1.0f);
+ return acosf(a);
+}
+
+MINLINE float safe_powf(float base, float exponent)
+{
+ if (UNLIKELY(base < 0.0f && exponent != (int)exponent)) {
+ return 0.0f;
+ }
+ return powf(base, exponent);
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __MATH_BASE_SAFE_INLINE_C__ */