Commit cdafcda6 authored by Jakob Bornecrantz's avatar Jakob Bornecrantz Committed by Jakob Bornecrantz

math: Add some vec2 functions

parent c906caab
// Copyright 2019, Collabora, Ltd.
// SPDX-License-Identifier: BSL-1.0
/*!
* @file
* @brief C vec2 math library.
* @author Jakob Bornecrantz <jakob@collabora.com>
*
* @see xrt_vec2
* @ingroup aux_math
*/
#pragma once
#include "xrt/xrt_defines.h"
#include <math.h>
#ifdef __cplusplus
extern "C" {
#endif
static inline struct xrt_vec2
m_vec2_mul(struct xrt_vec2 l, struct xrt_vec2 r)
{
struct xrt_vec2 ret = {l.x * r.x, l.y * r.y};
return ret;
}
static inline struct xrt_vec2
m_vec2_mul_scalar(struct xrt_vec2 l, float r)
{
struct xrt_vec2 ret = {l.x * r, l.y * r};
return ret;
}
static inline struct xrt_vec2
m_vec2_add(struct xrt_vec2 l, struct xrt_vec2 r)
{
struct xrt_vec2 ret = {l.x + r.x, l.y + r.y};
return ret;
}
static inline struct xrt_vec2
m_vec2_sub(struct xrt_vec2 l, struct xrt_vec2 r)
{
struct xrt_vec2 ret = {l.x - r.x, l.y - r.y};
return ret;
}
static inline struct xrt_vec2
m_vec2_div(struct xrt_vec2 l, struct xrt_vec2 r)
{
struct xrt_vec2 ret = {l.x / r.x, l.y / r.y};
return ret;
}
static inline struct xrt_vec2
m_vec2_div_scalar(struct xrt_vec2 l, float r)
{
struct xrt_vec2 ret = {l.x / r, l.y / r};
return ret;
}
static inline float
m_vec2_len(struct xrt_vec2 l)
{
return sqrtf(l.x * l.x + l.y * l.y);
}
#ifdef __cplusplus
}
#endif
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