gf_math.h

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#ifndef __GF_MATH_H__
#define __GF_MATH_H__
 
#include <gf_pre.h>
#include <gf_macro.h>
 
/* Type */
#include <gf_type/math.h>
 
/* Engine */
 
/* Standard */
 
#define GF_MATH_PI 3.14159265
 
#define GF_MATH_VECTOR_COPY(from, to) \
        to[0] = from[0]; \
        to[1] = from[1]; \
        to[2] = from[2]
 
GF_EXPORT double gf_math_log2(double x);
 
GF_EXPORT void gf_math_normal(gf_math_vector_t r, gf_math_vector_t v0, gf_math_vector_t v1, gf_math_vector_t v2);
 
GF_EXPORT double gf_math_cot(double x);
 
GF_EXPORT double gf_math_nearest_2pow(double x);
 
GF_EXPORT void gf_math_normalize(gf_math_vector_t v);
 
GF_EXPORT void gf_math_multiply(gf_math_vector_t r, gf_math_vector_t v0, gf_math_vector_t v1);
 
GF_EXPORT void gf_math_subtract(gf_math_vector_t r, gf_math_vector_t v0, gf_math_vector_t v1);
 
#endif