Add epsilon clamp

Source/Base/dn_base.cpp

@@ -762,3 +762,10 @@ DN_API void DN_ASanUnpoisonMemoryRegion(void const volatile *ptr, DN_USize size)
   (void)size;
 #endif
 }
+
+DN_API DN_F32 DN_EpsilonClampF32(DN_F32 value, DN_F32 target, DN_F32 epsilon)
+{
+  DN_F32 delta  = DN_Abs(target - value);
+  DN_F32 result = (delta < epsilon) ? target : value;
+  return result;
+}

Source/Base/dn_base.h

@@ -489,4 +489,7 @@ DN_API DN_U64          DN_SaturateCastIntToU64    (int val);
 
 DN_API void            DN_ASanPoisonMemoryRegion  (void const volatile *ptr, DN_USize size);
 DN_API void            DN_ASanUnpoisonMemoryRegion(void const volatile *ptr, DN_USize size);
+
+DN_API DN_F32          DN_EpsilonClampF32         (DN_F32 value, DN_F32 target, DN_F32 epsilon);
+
 #endif // !defined(DN_BASE_H)

Source/Extra/dn_math.h

@@ -369,5 +369,4 @@ DN_API DN_Rect       DN_RectCut_Cut                              (DN_RectCut rec
 DN_API DN_RaycastLineIntersectV2Result DN_Raycast_LineIntersectV2(DN_V2F32 origin_a, DN_V2F32 dir_a, DN_V2F32 origin_b, DN_V2F32 dir_b);
 DN_API DN_V2F32                        DN_Lerp_V2F32             (DN_V2F32 a, DN_F32 t, DN_V2F32 b);
 DN_API DN_F32                          DN_Lerp_F32               (DN_F32 a, DN_F32 t, DN_F32 b);
-
 #endif // !defined(DN_MATH_H)