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Set parameters const where possible

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hasufell 2014-06-01 16:47:58 +02:00
parent 62e02582a4
commit 1ca125b276
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GPG Key ID: 220CD1C5BDEED020
2 changed files with 14 additions and 14 deletions
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14
src/vector.c
View File

@ -43,7 +43,7 @@
* @param c vector [out] * @param c vector [out]
* @return true/false for success/failure * @return true/false for success/failure
*/ */
bool vector_len_scal_mul(vector *a, float scal, vector *c) bool vector_len_scal_mul(const vector *a, const float scal, vector *c)
{ {
vector a_tmp; vector a_tmp;
float vector_length; float vector_length;
@ -79,7 +79,7 @@ bool vector_len_scal_mul(vector *a, float scal, vector *c)
* @param c vector [out] * @param c vector [out]
* @return true/false for success/failure * @return true/false for success/failure
*/ */
bool vector_product(vector *a, vector *b, vector *c) bool vector_product(const vector *a, const vector *b, vector *c)
{ {
vector a_tmp, vector a_tmp,
b_tmp; b_tmp;
@ -107,7 +107,7 @@ bool vector_product(vector *a, vector *b, vector *c)
* @param c vector [out] * @param c vector [out]
* @return true/false for success/failure * @return true/false for success/failure
*/ */
bool add_vectors(vector *a, vector *b, vector *c) bool add_vectors(const vector *a, const vector *b, vector *c)
{ {
vector a_tmp, vector a_tmp,
b_tmp; b_tmp;
@ -135,7 +135,7 @@ bool add_vectors(vector *a, vector *b, vector *c)
* @param c vector [out] * @param c vector [out]
* @return true/false for success/failure * @return true/false for success/failure
*/ */
bool sub_vectors(vector *a, vector *b, vector *c) bool sub_vectors(const vector *a, const vector *b, vector *c)
{ {
vector a_tmp, vector a_tmp,
b_tmp; b_tmp;
@ -161,7 +161,7 @@ bool sub_vectors(vector *a, vector *b, vector *c)
* @param b vector [out] * @param b vector [out]
* @return true/false for success/failure * @return true/false for success/failure
*/ */
bool normalize_vector(vector *a, vector *b) bool normalize_vector(const vector *a, vector *b)
{ {
if (!a || !b) if (!a || !b)
return false; return false;
@ -191,7 +191,7 @@ bool normalize_vector(vector *a, vector *b)
* @param b vector [out] * @param b vector [out]
* @return true/false for success/failure * @return true/false for success/failure
*/ */
bool copy_vector(vector *a, vector *b) bool copy_vector(const vector *a, vector *b)
{ {
if (!a || !b || (a == b)) if (!a || !b || (a == b))
return false; return false;
@ -230,7 +230,7 @@ bool set_null_vector(vector *a)
* @return true if vector is a null vector, false * @return true if vector is a null vector, false
* otherwise, -1 on failure * otherwise, -1 on failure
*/ */
int is_null_vector(vector *a) int is_null_vector(const vector *a)
{ {
if (!a) if (!a)
return -1; return -1;

14
src/vector.h
View File

@ -130,14 +130,14 @@ struct vector {
}; };
bool vector_len_scal_mul(vector *a, float scal, vector *c); bool vector_len_scal_mul(const vector *a, const float scal, vector *c);
bool vector_product(vector *a, vector *b, vector *c); bool vector_product(const vector *a, const vector *b, vector *c);
bool add_vectors(vector *a, vector *b, vector *c); bool add_vectors(const vector *a, const vector *b, vector *c);
bool sub_vectors(vector *a, vector *b, vector *c); bool sub_vectors(const vector *a, const vector *b, vector *c);
bool normalize_vector(vector *a, vector *b); bool normalize_vector(const vector *a, vector *b);
bool copy_vector(vector *a, vector *b); bool copy_vector(const vector *a, vector *b);
bool set_null_vector(vector *a); bool set_null_vector(vector *a);
int is_null_vector(vector *a); int is_null_vector(const vector *a);
#endif /* _DROW_ENGINE_VEC_MATH_H */ #endif /* _DROW_ENGINE_VEC_MATH_H */