diff options
Diffstat (limited to 'core/math/math_funcs.h')
| -rw-r--r-- | core/math/math_funcs.h | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/core/math/math_funcs.h b/core/math/math_funcs.h index 078320d620..f96d3a909f 100644 --- a/core/math/math_funcs.h +++ b/core/math/math_funcs.h @@ -74,11 +74,13 @@ public: static _ALWAYS_INLINE_ double tanh(double p_x) { return ::tanh(p_x); } static _ALWAYS_INLINE_ float tanh(float p_x) { return ::tanhf(p_x); } - static _ALWAYS_INLINE_ double asin(double p_x) { return ::asin(p_x); } - static _ALWAYS_INLINE_ float asin(float p_x) { return ::asinf(p_x); } + // Always does clamping so always safe to use. + static _ALWAYS_INLINE_ double asin(double p_x) { return p_x < -1 ? (-Math_PI / 2) : (p_x > 1 ? (Math_PI / 2) : ::asin(p_x)); } + static _ALWAYS_INLINE_ float asin(float p_x) { return p_x < -1 ? (-Math_PI / 2) : (p_x > 1 ? (Math_PI / 2) : ::asinf(p_x)); } - static _ALWAYS_INLINE_ double acos(double p_x) { return ::acos(p_x); } - static _ALWAYS_INLINE_ float acos(float p_x) { return ::acosf(p_x); } + // Always does clamping so always safe to use. + static _ALWAYS_INLINE_ double acos(double p_x) { return p_x < -1 ? Math_PI : (p_x > 1 ? 0 : ::acos(p_x)); } + static _ALWAYS_INLINE_ float acos(float p_x) { return p_x < -1 ? Math_PI : (p_x > 1 ? 0 : ::acosf(p_x)); } static _ALWAYS_INLINE_ double atan(double p_x) { return ::atan(p_x); } static _ALWAYS_INLINE_ float atan(float p_x) { return ::atanf(p_x); } |