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[math] can only use memset for *_array_new_zeros

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Al
2015-08-31 14:44:43 -04:00
parent c566eaecf1
commit 0ee72b8dfb
1 changed files with 16 additions and 12 deletions
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28
src/vector_math.h
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@@ -10,10 +10,23 @@
__VECTOR_BASE(name, type) \ __VECTOR_BASE(name, type) \
__VECTOR_DESTROY(name, type) \ __VECTOR_DESTROY(name, type) \
\ \
static inline name *name##_copy(name *vector, size_t n) { \
name *cpy = name##_new_size(n); \
memcpy(vector->a, cpy->a, n * sizeof(type)); \
cpy->n = n; \
return cpy; \
} \
\
static inline void type##_array_set(type *array, size_t n, type value) { \
for (int i = 0; i < n; i++) { \
array[i] = value; \
} \
} \
\
static inline name *name##_new_value(size_t n, type value) { \ static inline name *name##_new_value(size_t n, type value) { \
name *vector = name##_new_size(n); \ name *vector = name##_new_size(n); \
if (vector == NULL) return NULL; \ if (vector == NULL) return NULL; \
memset(vector->a, (type)value, n * sizeof(type)); \ type##_array_set(vector->a, n, (type)value); \
vector->n = n; \ vector->n = n; \
return vector; \ return vector; \
} \ } \
@@ -23,20 +36,11 @@
} \ } \
\ \
static inline name *name##_new_zeros(size_t n) { \ static inline name *name##_new_zeros(size_t n) { \
name *vector = name##_new_size(n); \
memset(vector->a, 0, n * sizeof(type)); \
return name##_new_value(n, (type)0); \ return name##_new_value(n, (type)0); \
} \ } \
\ \
static inline name *name##_copy(name *vector, size_t n) { \
name *cpy = name##_new_size(n); \
memcpy(vector->a, cpy->a, n * sizeof(type)); \
cpy->n = n; \
return cpy; \
} \
\
static inline void type##_array_set(type *array, size_t n, type value) { \
memset(array, (type)value, n * sizeof(type)); \
} \
\
static inline type type##_array_max(type *array, size_t n) { \ static inline type type##_array_max(type *array, size_t n) { \
if (n < 1) return (type) 0; \ if (n < 1) return (type) 0; \
type val = array[0]; \ type val = array[0]; \