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Diffstat (limited to 'libs/cglm/include/cglm/ivec4.h')
-rw-r--r-- | libs/cglm/include/cglm/ivec4.h | 275 |
1 files changed, 275 insertions, 0 deletions
diff --git a/libs/cglm/include/cglm/ivec4.h b/libs/cglm/include/cglm/ivec4.h new file mode 100644 index 0000000..363ee58 --- /dev/null +++ b/libs/cglm/include/cglm/ivec4.h @@ -0,0 +1,275 @@ +/* + * Copyright (c), Recep Aslantas. + * + * MIT License (MIT), http://opensource.org/licenses/MIT + * Full license can be found in the LICENSE file + */ + +/* +FUNCTIONS: + CGLM_INLINE void glm_ivec4(ivec3 v3, int last, ivec4 dest) + CGLM_INLINE void glm_ivec4_copy(ivec4 a, ivec4 dest) + CGLM_INLINE void glm_ivec4_zero(ivec4 v) + CGLM_INLINE void glm_ivec4_one(ivec4 v) + CGLM_INLINE void glm_ivec4_add(ivec4 a, ivec4 b, ivec4 dest) + CGLM_INLINE void glm_ivec4_adds(ivec4 v, int s, ivec4 dest) + CGLM_INLINE void glm_ivec4_sub(ivec4 a, ivec4 b, ivec4 dest) + CGLM_INLINE void glm_ivec4_subs(ivec4 v, int s, ivec4 dest) + CGLM_INLINE void glm_ivec4_mul(ivec4 a, ivec4 b, ivec4 dest) + CGLM_INLINE void glm_ivec4_scale(ivec4 v, int s, ivec4 dest) + CGLM_INLINE int glm_ivec4_distance2(ivec4 a, ivec4 b) + CGLM_INLINE float glm_ivec4_distance(ivec4 a, ivec4 b) + CGLM_INLINE void glm_ivec4_maxv(ivec4 a, ivec4 b, ivec4 dest) + CGLM_INLINE void glm_ivec4_minv(ivec4 a, ivec4 b, ivec4 dest) + CGLM_INLINE void glm_ivec4_clamp(ivec4 v, int minVal, int maxVal) + */ + +#ifndef cglm_ivec4_h +#define cglm_ivec4_h + +#include "common.h" + +/*! + * @brief init ivec4 using ivec3 + * + * @param[in] v3 vector3 + * @param[in] last last item + * @param[out] dest destination + */ +CGLM_INLINE +void +glm_ivec4(ivec3 v3, int last, ivec4 dest) { + dest[0] = v3[0]; + dest[1] = v3[1]; + dest[2] = v3[2]; + dest[3] = last; +} + +/*! + * @brief copy all members of [a] to [dest] + * + * @param[in] a source vector + * @param[out] dest destination + */ +CGLM_INLINE +void +glm_ivec4_copy(ivec4 a, ivec4 dest) { + dest[0] = a[0]; + dest[1] = a[1]; + dest[2] = a[2]; + dest[3] = a[3]; +} + +/*! + * @brief set all members of [v] to zero + * + * @param[out] v vector + */ +CGLM_INLINE +void +glm_ivec4_zero(ivec4 v) { + v[0] = v[1] = v[2] = v[3] = 0; +} + +/*! + * @brief set all members of [v] to one + * + * @param[out] v vector + */ +CGLM_INLINE +void +glm_ivec4_one(ivec4 v) { + v[0] = v[1] = v[2] = v[3] = 1; +} + +/*! + * @brief add vector [a] to vector [b] and store result in [dest] + * + * @param[in] a first vector + * @param[in] b second vector + * @param[out] dest destination + */ +CGLM_INLINE +void +glm_ivec4_add(ivec4 a, ivec4 b, ivec4 dest) { + dest[0] = a[0] + b[0]; + dest[1] = a[1] + b[1]; + dest[2] = a[2] + b[2]; + dest[3] = a[3] + b[3]; +} + +/*! + * @brief add scalar s to vector [v] and store result in [dest] + * + * @param[in] v vector + * @param[in] s scalar + * @param[out] dest destination + */ +CGLM_INLINE +void +glm_ivec4_adds(ivec4 v, int s, ivec4 dest) { + dest[0] = v[0] + s; + dest[1] = v[1] + s; + dest[2] = v[2] + s; + dest[3] = v[3] + s; +} + +/*! + * @brief subtract vector [b] from vector [a] and store result in [dest] + * + * @param[in] a first vector + * @param[in] b second vector + * @param[out] dest destination + */ +CGLM_INLINE +void +glm_ivec4_sub(ivec4 a, ivec4 b, ivec4 dest) { + dest[0] = a[0] - b[0]; + dest[1] = a[1] - b[1]; + dest[2] = a[2] - b[2]; + dest[3] = a[3] - b[3]; +} + +/*! + * @brief subtract scalar s from vector [v] and store result in [dest] + * + * @param[in] v vector + * @param[in] s scalar + * @param[out] dest destination + */ +CGLM_INLINE +void +glm_ivec4_subs(ivec4 v, int s, ivec4 dest) { + dest[0] = v[0] - s; + dest[1] = v[1] - s; + dest[2] = v[2] - s; + dest[3] = v[3] - s; +} + +/*! + * @brief multiply vector [a] with vector [b] and store result in [dest] + * + * @param[in] a frist vector + * @param[in] b second vector + * @param[out] dest destination + */ +CGLM_INLINE +void +glm_ivec4_mul(ivec4 a, ivec4 b, ivec4 dest) { + dest[0] = a[0] * b[0]; + dest[1] = a[1] * b[1]; + dest[2] = a[2] * b[2]; + dest[3] = a[3] * b[3]; +} + +/*! + * @brief multiply vector [a] with scalar s and store result in [dest] + * + * @param[in] v vector + * @param[in] s scalar + * @param[out] dest destination + */ +CGLM_INLINE +void +glm_ivec4_scale(ivec4 v, int s, ivec4 dest) { + dest[0] = v[0] * s; + dest[1] = v[1] * s; + dest[2] = v[2] * s; + dest[3] = v[3] * s; +} + +/*! + * @brief squared distance between two vectors + * + * @param[in] a first vector + * @param[in] b second vector + * @return returns squared distance (distance * distance) + */ +CGLM_INLINE +int +glm_ivec4_distance2(ivec4 a, ivec4 b) { + int xd, yd, zd, wd; + xd = a[0] - b[0]; + yd = a[1] - b[1]; + zd = a[2] - b[2]; + wd = a[3] - b[3]; + return xd * xd + yd * yd + zd * zd + wd * wd; +} + +/*! + * @brief distance between two vectors + * + * @param[in] a first vector + * @param[in] b second vector + * @return returns distance + */ +CGLM_INLINE +float +glm_ivec4_distance(ivec4 a, ivec4 b) { + return sqrtf((float)glm_ivec4_distance2(a, b)); +} + +/*! + * @brief set each member of dest to greater of vector a and b + * + * @param[in] a first vector + * @param[in] b second vector + * @param[out] dest destination + */ +CGLM_INLINE +void +glm_ivec4_maxv(ivec4 a, ivec4 b, ivec4 dest) { + dest[0] = a[0] > b[0] ? a[0] : b[0]; + dest[1] = a[1] > b[1] ? a[1] : b[1]; + dest[2] = a[2] > b[2] ? a[2] : b[2]; + dest[3] = a[3] > b[3] ? a[3] : b[3]; +} + +/*! + * @brief set each member of dest to lesser of vector a and b + * + * @param[in] a first vector + * @param[in] b second vector + * @param[out] dest destination + */ +CGLM_INLINE +void +glm_ivec4_minv(ivec4 a, ivec4 b, ivec4 dest) { + dest[0] = a[0] < b[0] ? a[0] : b[0]; + dest[1] = a[1] < b[1] ? a[1] : b[1]; + dest[2] = a[2] < b[2] ? a[2] : b[2]; + dest[3] = a[3] < b[3] ? a[3] : b[3]; +} + +/*! + * @brief clamp each member of [v] between minVal and maxVal (inclusive) + * + * @param[in, out] v vector + * @param[in] minVal minimum value + * @param[in] maxVal maximum value + */ +CGLM_INLINE +void +glm_ivec4_clamp(ivec4 v, int minVal, int maxVal) { + if (v[0] < minVal) + v[0] = minVal; + else if(v[0] > maxVal) + v[0] = maxVal; + + if (v[1] < minVal) + v[1] = minVal; + else if(v[1] > maxVal) + v[1] = maxVal; + + if (v[2] < minVal) + v[2] = minVal; + else if(v[2] > maxVal) + v[2] = maxVal; + + if (v[3] < minVal) + v[3] = minVal; + else if(v[3] > maxVal) + v[3] = maxVal; +} + +#endif /* cglm_ivec4_h */ |