87 lines
1.8 KiB
C++
87 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 __BLI_FLOAT2_HH__
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#define __BLI_FLOAT2_HH__
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#include "BLI_float3.hh"
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namespace blender {
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struct float2 {
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float x, y;
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float2() = default;
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float2(const float *ptr) : x{ptr[0]}, y{ptr[1]}
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{
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}
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float2(float x, float y) : x(x), y(y)
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{
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}
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float2(const float3 &other) : x(other.x), y(other.y)
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{
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}
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operator float *()
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{
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return &x;
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}
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operator const float *() const
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{
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return &x;
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}
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friend float2 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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friend float2 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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friend float2 operator*(const float2 &a, float b)
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{
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return {a.x * b, a.y * b};
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}
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friend float2 operator/(const float2 &a, float b)
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{
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BLI_assert(b != 0.0f);
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return {a.x / b, a.y / b};
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}
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friend float2 operator*(float a, const float2 &b)
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{
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return b * a;
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}
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friend std::ostream &operator<<(std::ostream &stream, const float2 &v)
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{
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stream << "(" << v.x << ", " << v.y << ")";
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return stream;
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}
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};
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} // namespace blender
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#endif /* __BLI_FLOAT2_HH__ */
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