Initial 1.1.0 binary release

1 files changed, 174 insertions, 0 deletions

diff --git a/core/vec2.h b/core/vec2.h
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+// This code contains NVIDIA Confidential Information and is disclosed to you
+// under a form of NVIDIA software license agreement provided separately to you.
+//
+// Notice
+// NVIDIA Corporation and its licensors retain all intellectual property and
+// proprietary rights in and to this software and related documentation and
+// any modifications thereto. Any use, reproduction, disclosure, or
+// distribution of this software and related documentation without an express
+// license agreement from NVIDIA Corporation is strictly prohibited.
+//
+// ALL NVIDIA DESIGN SPECIFICATIONS, CODE ARE PROVIDED "AS IS.". NVIDIA MAKES
+// NO WARRANTIES, EXPRESSED, IMPLIED, STATUTORY, OR OTHERWISE WITH RESPECT TO
+// THE MATERIALS, AND EXPRESSLY DISCLAIMS ALL IMPLIED WARRANTIES OF NONINFRINGEMENT,
+// MERCHANTABILITY, AND FITNESS FOR A PARTICULAR PURPOSE.
+//
+// Information and code furnished is believed to be accurate and reliable.
+// However, NVIDIA Corporation assumes no responsibility for the consequences of use of such
+// information or for any infringement of patents or other rights of third parties that may
+// result from its use. No license is granted by implication or otherwise under any patent
+// or patent rights of NVIDIA Corporation. Details are subject to change without notice.
+// This code supersedes and replaces all information previously supplied.
+// NVIDIA Corporation products are not authorized for use as critical
+// components in life support devices or systems without express written approval of
+// NVIDIA Corporation.
+//
+// Copyright (c) 2013-2016 NVIDIA Corporation. All rights reserved.
+
+#pragma once
+
+#if defined(_WIN32) && !defined(__CUDACC__)
+#if defined(_DEBUG)
+
+#define VEC2_VALIDATE() {	assert(_finite(x));\
+	assert(!_isnan(x));\
+	\
+	assert(_finite(y));\
+	assert(!_isnan(y));\
+						 }
+#else
+
+#define VEC2_VALIDATE() {\
+	assert(isfinite(x));\
+	assert(isfinite(y)); }\
+
+#endif // _WIN32
+
+#else
+#define VEC2_VALIDATE()
+#endif
+
+#ifdef _DEBUG
+#define FLOAT_VALIDATE(f) { assert(_finite(f)); assert(!_isnan(f)); }
+#else
+#define FLOAT_VALIDATE(f)
+#endif
+
+
+// vec2
+template <typename T>
+class XVector2
+{
+public:
+
+	typedef T value_type;
+
+	CUDA_CALLABLE XVector2() : x(0.0f), y(0.0f) { VEC2_VALIDATE(); }
+	CUDA_CALLABLE XVector2(T _x) : x(_x), y(_x) { VEC2_VALIDATE(); }
+	CUDA_CALLABLE XVector2(T _x, T _y) : x(_x), y(_y) { VEC2_VALIDATE(); }
+	CUDA_CALLABLE XVector2(const T* p) : x(p[0]), y(p[1]) {}
+
+	template <typename U>
+	CUDA_CALLABLE explicit XVector2(const XVector2<U>& v) : x(v.x), y(v.y) {}
+
+	CUDA_CALLABLE operator T* () { return &x; }
+	CUDA_CALLABLE operator const T* () const { return &x; };
+
+	CUDA_CALLABLE void Set(T x_, T y_) { VEC2_VALIDATE(); x = x_; y = y_; }
+
+	CUDA_CALLABLE XVector2<T> operator * (T scale) const { XVector2<T> r(*this); r *= scale; VEC2_VALIDATE(); return r; }
+	CUDA_CALLABLE XVector2<T> operator / (T scale) const { XVector2<T> r(*this); r /= scale; VEC2_VALIDATE(); return r; }
+	CUDA_CALLABLE XVector2<T> operator + (const XVector2<T>& v) const { XVector2<T> r(*this); r += v; VEC2_VALIDATE(); return r; }
+	CUDA_CALLABLE XVector2<T> operator - (const XVector2<T>& v) const { XVector2<T> r(*this); r -= v; VEC2_VALIDATE(); return r; }
+
+	CUDA_CALLABLE XVector2<T>& operator *=(T scale) {x *= scale; y *= scale; VEC2_VALIDATE(); return *this;}
+	CUDA_CALLABLE XVector2<T>& operator /=(T scale) {T s(1.0f/scale); x *= s; y *= s; VEC2_VALIDATE(); return *this;}
+	CUDA_CALLABLE XVector2<T>& operator +=(const XVector2<T>& v) {x += v.x; y += v.y; VEC2_VALIDATE(); return *this;}
+	CUDA_CALLABLE XVector2<T>& operator -=(const XVector2<T>& v) {x -= v.x; y -= v.y; VEC2_VALIDATE(); return *this;}
+
+	CUDA_CALLABLE XVector2<T>& operator *=(const XVector2<T>& scale) {x *= scale.x; y *= scale.y; VEC2_VALIDATE(); return *this;}
+
+	// negate
+	CUDA_CALLABLE XVector2<T> operator -() const { VEC2_VALIDATE(); return XVector2<T>(-x, -y); }
+
+	// returns this vector
+	CUDA_CALLABLE void Normalize() { *this /= Length(*this); }
+	CUDA_CALLABLE void SafeNormalize(const XVector2<T>& v=XVector2<T>(0.0f,0.0f))
+	{
+		T length = Length(*this);
+		*this = (length==0.00001f)?v:(*this /= length);
+	}
+
+	T x;
+	T y;
+};
+
+typedef XVector2<float> Vec2;
+typedef XVector2<float> Vector2;
+
+// lhs scalar scale
+template <typename T>
+CUDA_CALLABLE XVector2<T> operator *(T lhs, const XVector2<T>& rhs)
+{
+	XVector2<T> r(rhs);
+	r *= lhs;
+	return r;
+}
+
+template <typename T>
+CUDA_CALLABLE XVector2<T> operator*(const XVector2<T>& lhs, const XVector2<T>& rhs)
+{
+	XVector2<T> r(lhs);
+	r *= rhs;
+	return r;
+}
+
+template <typename T>
+CUDA_CALLABLE bool operator==(const XVector2<T>& lhs, const XVector2<T>& rhs)
+{
+	return (lhs.x == rhs.x && lhs.y == rhs.y);
+}
+
+
+template <typename T>
+CUDA_CALLABLE T Dot(const XVector2<T>& v1, const XVector2<T>& v2)
+{
+	return v1.x * v2.x + v1.y * v2.y; 
+}
+
+// returns the ccw perpendicular vector 
+template <typename T>
+CUDA_CALLABLE XVector2<T> PerpCCW(const XVector2<T>& v)
+{
+	return XVector2<T>(-v.y, v.x);
+}
+
+template <typename T>
+CUDA_CALLABLE XVector2<T> PerpCW(const XVector2<T>& v)
+{
+	return XVector2<T>(v.y, -v.x);
+}
+
+// component wise min max functions
+template <typename T>
+CUDA_CALLABLE XVector2<T> Max(const XVector2<T>& a, const XVector2<T>& b)
+{
+	return XVector2<T>(Max(a.x, b.x), Max(a.y, b.y));
+}
+
+template <typename T>
+CUDA_CALLABLE XVector2<T> Min(const XVector2<T>& a, const XVector2<T>& b)
+{
+	return XVector2<T>(Min(a.x, b.x), Min(a.y, b.y));
+}
+
+// 2d cross product, treat as if a and b are in the xy plane and return magnitude of z
+template <typename T>
+CUDA_CALLABLE T Cross(const XVector2<T>& a, const XVector2<T>& b)
+{
+	return (a.x*b.y - a.y*b.x);
+}
+
+
+
+