#include <stdlib.h>
#include <vecmat.h>

Functions
void	vec2i_add_ptr (vector2i res, const vector2i a, const vector2i *b)
	Adds vectors a and b component-wise, storing the result in res.
void	vec2i_sub_ptr (vector2i res, const vector2i a, const vector2i *b)
	Subtracts vector b from vector a component-wise, storing the result in res.
void	vec2i_mul_scalar_ptr (vector2i res, const vector2i v, const vm_int_t s)
	Multiplies vector v by scalar s component-wise, storing the result in res.
void	vec2i_div_scalar_ptr (vector2i res, const vector2i v, const vm_int_t s)
	Divides vector v by scalar s component-wise (float division, truncated to int), storing the result in res.
void	vec2i_mul_ptr (vector2i res, const vector2i a, const vector2i *b)
	Multiplies vectors a and b component-wise (Hadamard product), storing the result in res.
void	vec2i_neg_ptr (vector2i res, const vector2i v)
	Negates the components of vector v, storing the result in res.
void	vec2i_abs_ptr (vector2i res, const vector2i v)
	Computes the absolute values of the components of vector v (using int abs), storing the result in res.
void	vec2i_normalize_ptr (vector2i res, const vector2i v)
	Normalizes vector v to approximate unit length (float length computation, truncated to int), storing the result in res.
void	vec2i_min_ptr (vector2i res, const vector2i a, const vector2i *b)
	Computes the component-wise minimum of vectors a and b, storing the result in res.
void	vec2i_max_ptr (vector2i res, const vector2i a, const vector2i *b)
	Computes the component-wise maximum of vectors a and b, storing the result in res.
void	vec2i_sign_ptr (vector2i res, const vector2i v)
	Sets each component of res to the sign of the corresponding component in v (+1, -1, or 0).
void	vec2i_perpendicular_ptr (vector2i res, const vector2i v)
	Computes the perpendicular vector to v (90 degrees counterclockwise rotation), storing the result in res.
void	vec2i_cross_ptr (vector2i res, const vector2i a, const vector2i *b)
	Computes the 2D cross-product of a and b, storing the scalar value in res->x and 0 in res->y.
static vm_int_t	vm_div_floor (const vm_int_t a, const vm_int_t b)
static vm_int_t	vm_mod_floor (const vm_int_t a, const vm_int_t b)
void	vec2i_lerp_ptr (vector2i res, const vector2i a, const vector2i *b, const vm_float_t t)
	Linearly interpolates from a to b by t.
void	vec2i_clamp_ptr (vector2i res, const vector2i v, const vector2i min, const vector2i max)
	Clamps each component between min and max.
void	vec2i_div_ptr (vector2i res, const vector2i a, const vector2i *b)
	Divides two vectors component-wise.
void	vec2i_add_scalar_ptr (vector2i res, const vector2i v, const vm_int_t s)
	Adds a scalar to each component.
void	vec2i_sub_scalar_ptr (vector2i res, const vector2i v, const vm_int_t s)
	Subtracts a scalar from each component.
void	vec2i_mod_ptr (vector2i res, const vector2i a, const vector2i *b)
	Component-wise floor modulo of a by b.
void	vec2i_div_floor_ptr (vector2i res, const vector2i a, const vector2i *b)
	Component-wise floored division of a by b.
void	vec2i_wrap_ptr (vector2i res, const vector2i v, const vector2i *period)
	Wraps each component of v into [0, period).
void	vec2i_to_vec3i_ptr (vector3i res, const vector2i v, const vm_int_t z)
	Converts a vector4i to a vector3i by dropping w.
void	vec2i_normalize_to_vec2_ptr (vector2 res, const vector2i v)
	Converts to a unit-length vector2.

Function Documentation

◆ vec2i_abs_ptr()

void vec2i_abs_ptr	(	vector2i *	res,
		const vector2i *	v )

Computes the absolute values of the components of vector v (using int abs), storing the result in res.

Parameters

res	Pointer to result vector2i.
v	Pointer to vector2i.

Definition at line 101 of file vector2i_ptr.c.

References vector2i::x, and vector2i::y.

Referenced by vec2i_abs().

◆ vec2i_add_ptr()

void vec2i_add_ptr	(	vector2i *	res,
		const vector2i *	a,
		const vector2i *	b )

Adds vectors a and b component-wise, storing the result in res.

Parameters

res	Pointer to result vector2i.
a	Pointer to first vector2i.
b	Pointer to second vector2i.

Definition at line 15 of file vector2i_ptr.c.

References vector2i::x, and vector2i::y.

Referenced by vec2i_add().

◆ vec2i_add_scalar_ptr()

void vec2i_add_scalar_ptr	(	vector2i *	res,
		const vector2i *	v,
		const vm_int_t	s )

Adds a scalar to each component.

Parameters

res	Output vector.
v	Input vector.
s	Scalar value.

Definition at line 270 of file vector2i_ptr.c.

References vector2i::x, and vector2i::y.

Referenced by vec2i_add_scalar().

◆ vec2i_clamp_ptr()

void vec2i_clamp_ptr	(	vector2i *	res,
		const vector2i *	v,
		const vector2i *	min,
		const vector2i *	max )

Clamps each component between min and max.

Parameters

res	Output vector.
v	Input vector.
min	Lower bound.
max	Upper bound.

Definition at line 244 of file vector2i_ptr.c.

References vector2i::x, and vector2i::y.

Referenced by vec2i_clamp().

◆ vec2i_cross_ptr()

void vec2i_cross_ptr	(	vector2i *	res,
		const vector2i *	a,
		const vector2i *	b )

Computes the 2D cross-product of a and b, storing the scalar value in res->x and 0 in res->y.

Parameters

res	Pointer to result vector2i.
a	Pointer to first vector2i.
b	Pointer to second vector2i.

Definition at line 189 of file vector2i_ptr.c.

References vector2i::x, and vector2i::y.

Referenced by vec2i_cross().

◆ vec2i_div_floor_ptr()

void vec2i_div_floor_ptr	(	vector2i *	res,
		const vector2i *	a,
		const vector2i *	b )

Component-wise floored division of a by b.

Parameters

res	Output vector.
a	First input vector.
b	Second input vector.

Definition at line 309 of file vector2i_ptr.c.

References vm_div_floor(), vector2i::x, and vector2i::y.

Referenced by vec2i_div_floor().

◆ vec2i_div_ptr()

void vec2i_div_ptr	(	vector2i *	res,
		const vector2i *	a,
		const vector2i *	b )

Divides two vectors component-wise.

Parameters

res	Output vector.
a	First input vector.
b	Second input vector.

Definition at line 257 of file vector2i_ptr.c.

References vector2i::x, and vector2i::y.

Referenced by vec2i_div().

◆ vec2i_div_scalar_ptr()

void vec2i_div_scalar_ptr	(	vector2i *	res,
		const vector2i *	v,
		const vm_int_t	s )

Divides vector v by scalar s component-wise (float division, truncated to int), storing the result in res.

Sets vector to zero if s == 0.

Parameters

res	Pointer to result vector2i.
v	Pointer to vector2i.
s	Scalar.

Definition at line 57 of file vector2i_ptr.c.

References vector2i::x, and vector2i::y.

Referenced by vec2i_div_scalar().

◆ vec2i_lerp_ptr()

void vec2i_lerp_ptr	(	vector2i *	res,
		const vector2i *	a,
		const vector2i *	b,
		const vm_float_t	t )

Linearly interpolates from a to b by t.

Parameters

res	Output vector.
a	First input vector.
b	Second input vector.
t	Interpolation factor.

Definition at line 230 of file vector2i_ptr.c.

References vector2i::x, and vector2i::y.

Referenced by vec2i_lerp().

◆ vec2i_max_ptr()

void vec2i_max_ptr	(	vector2i *	res,
		const vector2i *	a,
		const vector2i *	b )

Computes the component-wise maximum of vectors a and b, storing the result in res.

Parameters

res	Pointer to result vector2i.
a	Pointer to first vector2i.
b	Pointer to second vector2i.

Definition at line 149 of file vector2i_ptr.c.

References vector2i::x, and vector2i::y.

Referenced by vec2i_max().

◆ vec2i_min_ptr()

void vec2i_min_ptr	(	vector2i *	res,
		const vector2i *	a,
		const vector2i *	b )

Computes the component-wise minimum of vectors a and b, storing the result in res.

Parameters

res	Pointer to result vector2i.
a	Pointer to first vector2i.
b	Pointer to second vector2i.

Definition at line 135 of file vector2i_ptr.c.

References vector2i::x, and vector2i::y.

Referenced by vec2i_min().

◆ vec2i_mod_ptr()

void vec2i_mod_ptr	(	vector2i *	res,
		const vector2i *	a,
		const vector2i *	b )

Component-wise floor modulo of a by b.

Parameters

res	Output vector.
a	First input vector.
b	Second input vector.

Definition at line 296 of file vector2i_ptr.c.

References vm_mod_floor(), vector2i::x, and vector2i::y.

Referenced by vec2i_mod().

◆ vec2i_mul_ptr()

void vec2i_mul_ptr	(	vector2i *	res,
		const vector2i *	a,
		const vector2i *	b )

Multiplies vectors a and b component-wise (Hadamard product), storing the result in res.

Parameters

res	Pointer to result vector2i.
a	Pointer to first vector2i.
b	Pointer to second vector2i.

Definition at line 76 of file vector2i_ptr.c.

References vector2i::x, and vector2i::y.

Referenced by vec2i_mul().

◆ vec2i_mul_scalar_ptr()

void vec2i_mul_scalar_ptr	(	vector2i *	res,
		const vector2i *	v,
		const vm_int_t	s )

Multiplies vector v by scalar s component-wise, storing the result in res.

Parameters

res	Pointer to result vector2i.
v	Pointer to vector2i.
s	Scalar.

Definition at line 41 of file vector2i_ptr.c.

References vector2i::x, and vector2i::y.

Referenced by vec2i_mul_scalar().

◆ vec2i_neg_ptr()

void vec2i_neg_ptr	(	vector2i *	res,
		const vector2i *	v )

Negates the components of vector v, storing the result in res.

Parameters

res	Pointer to result vector2i.
v	Pointer to vector2i.

Definition at line 88 of file vector2i_ptr.c.

References vector2i::x, and vector2i::y.

Referenced by vec2i_neg().

◆ vec2i_normalize_ptr()

void vec2i_normalize_ptr	(	vector2i *	res,
		const vector2i *	v )

Normalizes vector v to approximate unit length (float length computation, truncated to int), storing the result in res.

Copies v unchanged if the length is zero.

Parameters

res	Pointer to result vector2i.
v	Pointer to vector2i.

Definition at line 116 of file vector2i_ptr.c.

References vec2i_length(), vector2i::x, and vector2i::y.

Referenced by vec2i_normalize().

◆ vec2i_normalize_to_vec2_ptr()

void vec2i_normalize_to_vec2_ptr	(	vector2 *	res,
		const vector2i *	v )

Converts to a unit-length vector2.

Parameters

res	Output vector.
v	Input vector.

Definition at line 348 of file vector2i_ptr.c.

References vec2_normalize_ptr(), vector2i::x, and vector2i::y.

Referenced by vec2i_normalize_to_vec2().

◆ vec2i_perpendicular_ptr()

void vec2i_perpendicular_ptr	(	vector2i *	res,
		const vector2i *	v )

Computes the perpendicular vector to v (90 degrees counterclockwise rotation), storing the result in res.

Parameters

res	Pointer to result vector2i.
v	Pointer to vector2i.

Definition at line 175 of file vector2i_ptr.c.

References vector2i::x, and vector2i::y.

Referenced by vec2i_perpendicular().

◆ vec2i_sign_ptr()

void vec2i_sign_ptr	(	vector2i *	res,
		const vector2i *	v )

Sets each component of res to the sign of the corresponding component in v (+1, -1, or 0).

Parameters

res	Pointer to result vector2i.
v	Pointer to vector2i.

Definition at line 162 of file vector2i_ptr.c.

References vector2i::x, and vector2i::y.

Referenced by vec2i_sign().

◆ vec2i_sub_ptr()

void vec2i_sub_ptr	(	vector2i *	res,
		const vector2i *	a,
		const vector2i *	b )

Subtracts vector b from vector a component-wise, storing the result in res.

Parameters

res	Pointer to result vector2i.
a	Pointer to first vector2i.
b	Pointer to second vector2i.

Definition at line 28 of file vector2i_ptr.c.

References vector2i::x, and vector2i::y.

Referenced by vec2i_sub().

◆ vec2i_sub_scalar_ptr()

void vec2i_sub_scalar_ptr	(	vector2i *	res,
		const vector2i *	v,
		const vm_int_t	s )

Subtracts a scalar from each component.

Parameters

res	Output vector.
v	Input vector.
s	Scalar value.

Definition at line 283 of file vector2i_ptr.c.

References vector2i::x, and vector2i::y.

Referenced by vec2i_sub_scalar().

◆ vec2i_to_vec3i_ptr()

void vec2i_to_vec3i_ptr	(	vector3i *	res,
		const vector2i *	v,
		const vm_int_t	z )

Converts a vector4i to a vector3i by dropping w.

Parameters

res	Output vector.
v	Input vector.
z	Z component.

Definition at line 335 of file vector2i_ptr.c.

References vector2i::x, vector3i::x, vector2i::y, vector3i::y, and vector3i::z.

Referenced by vec2i_to_vec3i().

◆ vec2i_wrap_ptr()

void vec2i_wrap_ptr	(	vector2i *	res,
		const vector2i *	v,
		const vector2i *	period )

Wraps each component of v into [0, period).

Parameters

res	Output vector.
v	Input vector.
period	Wrap period per component.

Definition at line 322 of file vector2i_ptr.c.

References vm_mod_floor(), vector2i::x, and vector2i::y.

Referenced by vec2i_wrap().

◆ vm_div_floor()

vm_int_t vm_div_floor	(	const vm_int_t	a,
		const vm_int_t	b )

static

Definition at line 196 of file vector2i_ptr.c.

Referenced by vec2i_div_floor_ptr().

◆ vm_mod_floor()

vm_int_t vm_mod_floor	(	const vm_int_t	a,
		const vm_int_t	b )

static

Definition at line 210 of file vector2i_ptr.c.

Referenced by vec2i_mod_ptr(), and vec2i_wrap_ptr().

Functions

Function Documentation

◆ vec2i_abs_ptr()

◆ vec2i_add_ptr()

◆ vec2i_add_scalar_ptr()

◆ vec2i_clamp_ptr()

◆ vec2i_cross_ptr()

◆ vec2i_div_floor_ptr()

◆ vec2i_div_ptr()

◆ vec2i_div_scalar_ptr()

◆ vec2i_lerp_ptr()

◆ vec2i_max_ptr()

◆ vec2i_min_ptr()

◆ vec2i_mod_ptr()

◆ vec2i_mul_ptr()

◆ vec2i_mul_scalar_ptr()

◆ vec2i_neg_ptr()

◆ vec2i_normalize_ptr()

◆ vec2i_normalize_to_vec2_ptr()

◆ vec2i_perpendicular_ptr()

◆ vec2i_sign_ptr()

◆ vec2i_sub_ptr()

◆ vec2i_sub_scalar_ptr()

◆ vec2i_to_vec3i_ptr()

◆ vec2i_wrap_ptr()

◆ vm_div_floor()

◆ vm_mod_floor()