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fix: remove all heap allocation for better performance in vector functions.

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Loïc GUEZO
2025-03-21 08:03:18 +01:00
committed by Loïc GUEZO
parent 5fb6a47ce5
commit b613081224
6 changed files with 101 additions and 172 deletions
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30
include/math/vector3.h
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@@ -13,7 +13,7 @@ typedef struct {
* @return A pointer to the newly allocated 3D vector if
* successful, or NULL if the allocation fails.
*/
Vec3* vec3(float x, float y, float z);
Vec3 vec3(float x, float y, float z);
/**
* @brief Adds two 3D vectors in a new 3D vector.
@@ -23,7 +23,7 @@ Vec3* vec3(float x, float y, float z);
* representing the sum of v1 and v2.
* Returns NULL if the allocation fails.
*/
Vec3* vec3Add(Vec3* v1, Vec3* v2);
Vec3 vec3Add(Vec3 v1, Vec3 v2);
/**
* @brief Subtracts two 3D vectors in a new 3D
@@ -34,7 +34,7 @@ Vec3* vec3Add(Vec3* v1, Vec3* v2);
* representing the subtraction of v1 and v2.
* Returns NULL if the allocation fails.
*/
Vec3* vec3Sub(Vec3* v1, Vec3* v2);
Vec3 vec3Sub(Vec3 v1, Vec3 v2);
/**
* @brief Scales a 3D vector by a constant scalar in a
@@ -46,7 +46,7 @@ Vec3* vec3Sub(Vec3* v1, Vec3* v2);
* scalar. Returns NULL if the allocation
* fails.
*/
Vec3* vec3Scale(Vec3* v, float scalar);
Vec3 vec3Scale(Vec3 v, float scalar);
/**
* @brief Computes the dot product of two 3D vectors
@@ -62,7 +62,7 @@ Vec3* vec3Scale(Vec3* v, float scalar);
* Returns NAN if one of the input vectors are
* NULL.
*/
float vec3Dot(Vec3* a, Vec3* b);
float vec3Dot(Vec3 a, Vec3 b);
/**
* @brief Computes the Length (magnitude) of a 3D
@@ -72,7 +72,7 @@ float vec3Dot(Vec3* a, Vec3* b);
* a scalar value. Returns NAN if input vector
* is NULL.
*/
float vec3Len(Vec3* v);
float vec3Len(Vec3 v);
/**
* @brief Normalizes the 3D vector.
@@ -82,7 +82,7 @@ float vec3Len(Vec3* v);
* if the input vector is a zero vector. Returns
* NULL if the input pointer is invalid.
*/
Vec3* vec3Norm(Vec3* v);
Vec3 vec3Norm(Vec3 v);
/**
* @brief Performs linear interpolation between two 3D
@@ -99,7 +99,7 @@ Vec3* vec3Norm(Vec3* v);
* a and b. Returns NULL if any of the input vectors
* is NULL.
*/
Vec3* vec3Lerp(Vec3* a, Vec3* b, float t);
Vec3 vec3Lerp(Vec3 a, Vec3 b, float t);
/**
* @brief Computes the cross product of two 3D vectors.
@@ -113,7 +113,7 @@ Vec3* vec3Lerp(Vec3* a, Vec3* b, float t);
* the cross product of vectors a and b.
* Returns NULL if the allocation fails.
*/
Vec3* vec3Cross(Vec3* a, Vec3* b);
Vec3 vec3Cross(Vec3 a, Vec3 b);
/**
* @brief Computes the angle between two 3D vectors.
@@ -121,7 +121,7 @@ Vec3* vec3Cross(Vec3* a, Vec3* b);
* @param b Pointer to the second vector.
* @return The angle between a and b in radians.
*/
float vec3Angle(Vec3* a, Vec3* b);
float vec3Angle(Vec3 a, Vec3 b);
/**
* @brief Computes the projection of vector a onto vector b.
@@ -131,7 +131,7 @@ float vec3Angle(Vec3* a, Vec3* b);
* the projection of a onto b.
* Returns NULL if b is a zero vector.
*/
Vec3* vec3Proj(Vec3* a, Vec3* b);
Vec3 vec3Proj(Vec3 a, Vec3 b);
/**
* @brief Computes the reflection of a vector v against a normal.
@@ -141,7 +141,7 @@ Vec3* vec3Proj(Vec3* a, Vec3* b);
* the reflection of v across normal.
* Returns NULL if normal is a zero vector.
*/
Vec3* vec3Refl(Vec3* v, Vec3* normal);
Vec3 vec3Refl(Vec3 v, Vec3 normal);
/**
* @brief Computes the Euclidean distance between two 3D vectors.
@@ -150,7 +150,7 @@ Vec3* vec3Refl(Vec3* v, Vec3* normal);
* @return The scalar distance between a and b.
* Returns NAN if either vector is NULL.
*/
float vec3Dist(Vec3* a, Vec3* b);
float vec3Dist(Vec3 a, Vec3 b);
/**
* @brief Rotates a 3D vector around a given axis by a specified angle.
@@ -161,8 +161,8 @@ float vec3Dist(Vec3* a, Vec3* b);
* the rotated vector.
* Returns NULL if axis is a zero vector.
*/
Vec3* vec3Rotate(Vec3* v, Vec3* axis, float angle);
Vec3 vec3Rotate(Vec3 v, Vec3 axis, float angle);
void vec3Free(Vec3* v);
void vec3Free(Vec3 v);
#endif // VEC3_H

26
include/math/vector4.h
View File

@@ -14,7 +14,7 @@ typedef struct {
* @return A pointer to the newly allocated 4D vector if
* successful, or NULL if the allocation fails.
*/
Vec4* vec4(float x, float y, float z, float w);
Vec4 vec4(float x, float y, float z, float w);
/**
* @brief Adds two 4D vectors in a new 4D vector.
@@ -24,7 +24,7 @@ Vec4* vec4(float x, float y, float z, float w);
* representing the sum of v1 and v2.
* Returns NULL if the allocation fails.
*/
Vec4* vec4Add(Vec4* v1, Vec4* v2);
Vec4 vec4Add(Vec4 v1, Vec4 v2);
/**
* @brief Subtracts two 4D vectors in a new 4D
@@ -35,7 +35,7 @@ Vec4* vec4Add(Vec4* v1, Vec4* v2);
* representing the subtraction of v1 and v2.
* Returns NULL if the allocation fails.
*/
Vec4* vec4Sub(Vec4* v1, Vec4* v2);
Vec4 vec4Sub(Vec4 v1, Vec4 v2);
/**
* @brief Scales a 4D vector by a constant scalar in a
@@ -47,7 +47,7 @@ Vec4* vec4Sub(Vec4* v1, Vec4* v2);
* scalar. Returns NULL if the allocation
* fails.
*/
Vec4* vec4Scale(Vec4* v, float scalar);
Vec4 vec4Scale(Vec4 v, float scalar);
/**
* @brief Computes the dot product of two 4D vectors
@@ -63,7 +63,7 @@ Vec4* vec4Scale(Vec4* v, float scalar);
* Returns NAN if one of the input vectors are
* NULL.
*/
float vec4Dot(Vec4* a, Vec4* b);
float vec4Dot(Vec4 a, Vec4 b);
/**
* @brief Computes the Length (magnitude) of a 4D
@@ -73,7 +73,7 @@ float vec4Dot(Vec4* a, Vec4* b);
* a scalar value. Returns NAN if input vector
* is NULL.
*/
float vec4Len(Vec4* v);
float vec4Len(Vec4 v);
/**
* @brief Normalizes the 4D vector.
@@ -83,7 +83,7 @@ float vec4Len(Vec4* v);
* if the input vector is a zero vector. Returns
* NULL if the input pointer is invalid.
*/
Vec4* vec4Norm(Vec4* v);
Vec4 vec4Norm(Vec4 v);
/**
* @brief Performs linear interpolation between two 4D
@@ -100,7 +100,7 @@ Vec4* vec4Norm(Vec4* v);
* a and b. Returns NULL if any of the input vectors
* is NULL.
*/
Vec4* vec4Lerp(Vec4* a, Vec4* b, float t);
Vec4 vec4Lerp(Vec4 a, Vec4 b, float t);
/**
* @brief Computes the angle between two 4D vectors.
@@ -108,7 +108,7 @@ Vec4* vec4Lerp(Vec4* a, Vec4* b, float t);
* @param b Pointer to the second vector.
* @return The angle between a and b in radians.
*/
float vec4Angle(Vec4* a, Vec4* b);
float vec4Angle(Vec4 a, Vec4 b);
/**
* @brief Computes the projection of vector a onto vector b.
@@ -118,7 +118,7 @@ float vec4Angle(Vec4* a, Vec4* b);
* the projection of a onto b.
* Returns NULL if b is a zero vector.
*/
Vec4* vec4Proj(Vec4* a, Vec4* b);
Vec4 vec4Proj(Vec4 a, Vec4 b);
/**
* @brief Computes the reflection of a vector v against a normal.
@@ -128,7 +128,7 @@ Vec4* vec4Proj(Vec4* a, Vec4* b);
* the reflection of v across normal.
* Returns NULL if normal is a zero vector.
*/
Vec4* vec4Refl(Vec4* v, Vec4* normal);
Vec4 vec4Refl(Vec4 v, Vec4 normal);
/**
* @brief Computes the Euclidean distance between two 4D vectors.
@@ -137,9 +137,7 @@ Vec4* vec4Refl(Vec4* v, Vec4* normal);
* @return The scalar distance between a and b.
* Returns NAN if either vector is NULL.
*/
float vec4Dist(Vec4* a, Vec4* b);
void vec4Free(Vec4* v);
float vec4Dist(Vec4 a, Vec4 b);
#endif // VECTOR4_H