80 lines
1.8 KiB
C
80 lines
1.8 KiB
C
/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef __MATH_BASE_SAFE_INLINE_C__
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#define __MATH_BASE_SAFE_INLINE_C__
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#include "BLI_math_base_safe.h"
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#include "BLI_utildefines.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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MINLINE float safe_divide(float a, float b)
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{
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return (b != 0.0f) ? a / b : 0.0f;
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}
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MINLINE float safe_modf(float a, float b)
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{
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return (b != 0.0f) ? fmodf(a, b) : 0.0f;
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}
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MINLINE float safe_logf(float a, float base)
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{
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if (UNLIKELY(a <= 0.0f || base <= 0.0f)) {
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return 0.0f;
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}
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return safe_divide(logf(a), logf(base));
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}
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MINLINE float safe_sqrtf(float a)
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{
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return sqrtf(MAX2(a, 0.0f));
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}
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MINLINE float safe_inverse_sqrtf(float a)
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{
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return (a > 0.0f) ? 1.0f / sqrtf(a) : 0.0f;
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}
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MINLINE float safe_asinf(float a)
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{
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CLAMP(a, -1.0f, 1.0f);
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return asinf(a);
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}
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MINLINE float safe_acosf(float a)
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{
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CLAMP(a, -1.0f, 1.0f);
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return acosf(a);
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}
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MINLINE float safe_powf(float base, float exponent)
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{
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if (UNLIKELY(base < 0.0f && exponent != (int)exponent)) {
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return 0.0f;
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}
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return powf(base, exponent);
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}
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#ifdef __cplusplus
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}
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#endif
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#endif /* __MATH_BASE_SAFE_INLINE_C__ */
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