2017-04-14 12:05:23 +00:00
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/*
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* Copyright 2011-2017 Blender Foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef __UTIL_MATH_FLOAT2_H__
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#define __UTIL_MATH_FLOAT2_H__
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#ifndef __UTIL_MATH_H__
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# error "Do not include this file directly, include util_types.h instead."
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#endif
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CCL_NAMESPACE_BEGIN
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/*******************************************************************************
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* Declaration.
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*/
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#ifndef __KERNEL_OPENCL__
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ccl_device_inline float2 operator-(const float2 &a);
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ccl_device_inline float2 operator*(const float2 &a, const float2 &b);
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ccl_device_inline float2 operator*(const float2 &a, float f);
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ccl_device_inline float2 operator*(float f, const float2 &a);
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ccl_device_inline float2 operator/(float f, const float2 &a);
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ccl_device_inline float2 operator/(const float2 &a, float f);
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ccl_device_inline float2 operator/(const float2 &a, const float2 &b);
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2019-09-12 11:09:31 +00:00
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ccl_device_inline float2 operator+(const float2 &a, const float f);
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2017-04-14 12:05:23 +00:00
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ccl_device_inline float2 operator+(const float2 &a, const float2 &b);
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2019-09-12 11:09:31 +00:00
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ccl_device_inline float2 operator-(const float2 &a, const float f);
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2017-04-14 12:05:23 +00:00
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ccl_device_inline float2 operator-(const float2 &a, const float2 &b);
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ccl_device_inline float2 operator+=(float2 &a, const float2 &b);
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ccl_device_inline float2 operator*=(float2 &a, const float2 &b);
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ccl_device_inline float2 operator*=(float2 &a, float f);
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ccl_device_inline float2 operator/=(float2 &a, const float2 &b);
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ccl_device_inline float2 operator/=(float2 &a, float f);
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2019-04-17 04:17:24 +00:00
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2017-04-14 12:05:23 +00:00
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ccl_device_inline bool operator==(const float2 &a, const float2 &b);
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ccl_device_inline bool operator!=(const float2 &a, const float2 &b);
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2019-04-17 04:17:24 +00:00
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2017-04-14 12:05:23 +00:00
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ccl_device_inline bool is_zero(const float2 &a);
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ccl_device_inline float average(const float2 &a);
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2019-09-12 11:09:31 +00:00
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ccl_device_inline float distance(const float2 &a, const float2 &b);
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2017-04-14 12:05:23 +00:00
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ccl_device_inline float dot(const float2 &a, const float2 &b);
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ccl_device_inline float cross(const float2 &a, const float2 &b);
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ccl_device_inline float len(const float2 &a);
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ccl_device_inline float2 normalize(const float2 &a);
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ccl_device_inline float2 normalize_len(const float2 &a, float *t);
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ccl_device_inline float2 safe_normalize(const float2 &a);
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ccl_device_inline float2 min(const float2 &a, const float2 &b);
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ccl_device_inline float2 max(const float2 &a, const float2 &b);
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ccl_device_inline float2 clamp(const float2 &a, const float2 &mn, const float2 &mx);
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ccl_device_inline float2 fabs(const float2 &a);
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ccl_device_inline float2 as_float2(const float4 &a);
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ccl_device_inline float2 interp(const float2 &a, const float2 &b, float t);
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2019-09-12 11:09:31 +00:00
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ccl_device_inline float2 floor(const float2 &a);
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2017-04-14 12:05:23 +00:00
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#endif /* !__KERNEL_OPENCL__ */
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2019-09-12 11:09:31 +00:00
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ccl_device_inline float2 safe_divide_float2_float(const float2 a, const float b);
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2017-04-14 12:05:23 +00:00
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/*******************************************************************************
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* Definition.
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*/
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2021-02-17 00:47:18 +00:00
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ccl_device_inline float2 zero_float2()
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{
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return make_float2(0.0f, 0.0f);
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}
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ccl_device_inline float2 one_float2()
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{
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return make_float2(1.0f, 1.0f);
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}
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2017-04-14 12:05:23 +00:00
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#ifndef __KERNEL_OPENCL__
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ccl_device_inline float2 operator-(const float2 &a)
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{
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return make_float2(-a.x, -a.y);
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}
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ccl_device_inline float2 operator*(const float2 &a, const float2 &b)
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{
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return make_float2(a.x * b.x, a.y * b.y);
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}
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ccl_device_inline float2 operator*(const float2 &a, float f)
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{
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return make_float2(a.x * f, a.y * f);
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}
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ccl_device_inline float2 operator*(float f, const float2 &a)
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{
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return make_float2(a.x * f, a.y * f);
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}
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ccl_device_inline float2 operator/(float f, const float2 &a)
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{
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return make_float2(f / a.x, f / a.y);
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}
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ccl_device_inline float2 operator/(const float2 &a, float f)
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{
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float invf = 1.0f / f;
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return make_float2(a.x * invf, a.y * invf);
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}
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ccl_device_inline float2 operator/(const float2 &a, const float2 &b)
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{
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return make_float2(a.x / b.x, a.y / b.y);
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}
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2019-09-12 11:09:31 +00:00
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ccl_device_inline float2 operator+(const float2 &a, const float f)
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{
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return a + make_float2(f, f);
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}
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2017-04-14 12:05:23 +00:00
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ccl_device_inline float2 operator+(const float2 &a, const float2 &b)
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{
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return make_float2(a.x + b.x, a.y + b.y);
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}
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2019-09-12 11:09:31 +00:00
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ccl_device_inline float2 operator-(const float2 &a, const float f)
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{
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return a - make_float2(f, f);
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}
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2017-04-14 12:05:23 +00:00
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ccl_device_inline float2 operator-(const float2 &a, const float2 &b)
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{
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return make_float2(a.x - b.x, a.y - b.y);
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}
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ccl_device_inline float2 operator+=(float2 &a, const float2 &b)
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{
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return a = a + b;
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}
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ccl_device_inline float2 operator*=(float2 &a, const float2 &b)
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{
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return a = a * b;
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}
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ccl_device_inline float2 operator*=(float2 &a, float f)
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{
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return a = a * f;
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}
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ccl_device_inline float2 operator/=(float2 &a, const float2 &b)
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{
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return a = a / b;
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}
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ccl_device_inline float2 operator/=(float2 &a, float f)
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{
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float invf = 1.0f / f;
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return a = a * invf;
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}
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ccl_device_inline bool operator==(const float2 &a, const float2 &b)
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{
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return (a.x == b.x && a.y == b.y);
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}
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ccl_device_inline bool operator!=(const float2 &a, const float2 &b)
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{
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return !(a == b);
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}
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ccl_device_inline bool is_zero(const float2 &a)
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{
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return (a.x == 0.0f && a.y == 0.0f);
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}
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ccl_device_inline float average(const float2 &a)
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{
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return (a.x + a.y) * (1.0f / 2.0f);
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}
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2019-09-12 11:09:31 +00:00
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ccl_device_inline float distance(const float2 &a, const float2 &b)
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{
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return len(a - b);
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}
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2017-04-14 12:05:23 +00:00
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ccl_device_inline float dot(const float2 &a, const float2 &b)
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{
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return a.x * b.x + a.y * b.y;
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}
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ccl_device_inline float cross(const float2 &a, const float2 &b)
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{
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return (a.x * b.y - a.y * b.x);
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}
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ccl_device_inline float len(const float2 &a)
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{
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return sqrtf(dot(a, a));
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}
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ccl_device_inline float2 normalize(const float2 &a)
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{
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return a / len(a);
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}
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ccl_device_inline float2 normalize_len(const float2 &a, float *t)
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{
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*t = len(a);
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return a / (*t);
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}
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ccl_device_inline float2 safe_normalize(const float2 &a)
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{
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float t = len(a);
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return (t != 0.0f) ? a / t : a;
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}
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ccl_device_inline float2 min(const float2 &a, const float2 &b)
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{
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return make_float2(min(a.x, b.x), min(a.y, b.y));
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}
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ccl_device_inline float2 max(const float2 &a, const float2 &b)
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{
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return make_float2(max(a.x, b.x), max(a.y, b.y));
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}
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ccl_device_inline float2 clamp(const float2 &a, const float2 &mn, const float2 &mx)
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{
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return min(max(a, mn), mx);
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}
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ccl_device_inline float2 fabs(const float2 &a)
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{
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return make_float2(fabsf(a.x), fabsf(a.y));
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}
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ccl_device_inline float2 as_float2(const float4 &a)
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{
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return make_float2(a.x, a.y);
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}
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ccl_device_inline float2 interp(const float2 &a, const float2 &b, float t)
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{
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return a + t * (b - a);
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}
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2019-03-05 13:54:54 +00:00
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ccl_device_inline float2 mix(const float2 &a, const float2 &b, float t)
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{
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return a + t * (b - a);
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}
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2019-09-12 11:09:31 +00:00
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ccl_device_inline float2 floor(const float2 &a)
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{
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return make_float2(floorf(a.x), floorf(a.y));
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}
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2017-04-14 12:05:23 +00:00
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#endif /* !__KERNEL_OPENCL__ */
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2019-09-12 11:09:31 +00:00
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ccl_device_inline float2 safe_divide_float2_float(const float2 a, const float b)
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{
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2021-02-17 00:47:18 +00:00
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return (b != 0.0f) ? a / b : zero_float2();
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2019-09-12 11:09:31 +00:00
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}
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2017-04-14 12:05:23 +00:00
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CCL_NAMESPACE_END
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#endif /* __UTIL_MATH_FLOAT2_H__ */
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