The open source OpenXR runtime
math: Added vec3 math functions
authored by
Nova
and committed by
Jakob Bornecrantz
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f3803f73
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src/xrt/auxiliary/CMakeLists.txt
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src/xrt/auxiliary/CMakeLists.txt
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src/xrt/auxiliary/math/m_vec3.h
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src/xrt/auxiliary/math/m_vec3.h
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// Copyright 2019-2020, Collabora, Ltd.
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// Copyright 2020, Nova King.
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// SPDX-License-Identifier: BSL-1.0
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/*!
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* @file
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* @brief C vec3 math library.
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* @author Jakob Bornecrantz <jakob@collabora.com>
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* @author Nova King <technobaboo@gmail.com>
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*
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* @see xrt_vec3
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* @ingroup aux_math
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*/
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#pragma once
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#include "xrt/xrt_defines.h"
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#include <math.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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static inline struct xrt_vec3
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m_vec3_mul(struct xrt_vec3 l, struct xrt_vec3 r)
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{
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struct xrt_vec3 ret = {l.x * r.x, l.y * r.y, l.z * r.z};
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return ret;
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}
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static inline struct xrt_vec3
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m_vec3_mul_scalar(struct xrt_vec3 l, float r)
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{
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struct xrt_vec3 ret = {l.x * r, l.y * r, l.z * r};
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return ret;
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}
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static inline struct xrt_vec3
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m_vec3_add(struct xrt_vec3 l, struct xrt_vec3 r)
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{
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struct xrt_vec3 ret = {l.x + r.x, l.y + r.y, l.z + r.z};
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return ret;
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}
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static inline struct xrt_vec3
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m_vec3_sub(struct xrt_vec3 l, struct xrt_vec3 r)
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{
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struct xrt_vec3 ret = {l.x - r.x, l.y - r.y, l.z - r.z};
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return ret;
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}
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static inline struct xrt_vec3
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m_vec3_div(struct xrt_vec3 l, struct xrt_vec3 r)
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{
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struct xrt_vec3 ret = {l.x / r.x, l.y / r.y, l.z / r.z};
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return ret;
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}
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static inline struct xrt_vec3
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m_vec3_div_scalar(struct xrt_vec3 l, float r)
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{
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struct xrt_vec3 ret = {l.x / r, l.y / r, l.z / r};
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return ret;
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}
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static inline float
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m_vec3_len(struct xrt_vec3 l)
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{
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return sqrtf(l.x * l.x + l.y * l.y + l.z * l.z);
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}
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#ifdef __cplusplus
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}
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#endif