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kc3-lang/kc3/window/sdl2/dvec2.h

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  • window/sdl2/dvec2.h
  • /* kc3
     * Copyright from 2022 to 2025 kmx.io <contact@kmx.io>
     *
     * Permission is hereby granted to use this software granted the above
     * copyright notice and this permission paragraph are included in all
     * copies and substantial portions of this software.
     *
     * THIS SOFTWARE IS PROVIDED "AS-IS" WITHOUT ANY GUARANTEE OF
     * PURPOSE AND PERFORMANCE. IN NO EVENT WHATSOEVER SHALL THE
     * AUTHOR BE CONSIDERED LIABLE FOR THE USE AND PERFORMANCE OF
     * THIS SOFTWARE.
     */
    #ifndef DVEC2_H
    #define DVEC2_H
    
    #include "types.h"
    
    /* Stack-allocation compatible functions. */
    s_dvec2 * dvec2_init (s_dvec2 *p, f64 x, f64 y);
    s_dvec2 * dvec2_init_copy (s_dvec2 *p, const s_dvec2 *src);
    s_dvec2 * dvec2_init_product (s_dvec2 *p, const s_dmat3 *m,
                                  const s_dvec2 *s);
    s_dvec2 * dvec2_init_zero (s_dvec2 *p);
    
    /* Heap-allocation functions, call dvec2_delete after use. */
    void      dvec2_delete (s_dvec2 *p);
    s_dvec2 * dvec2_new (f64 x, f64 y);
    s_dvec2 * dvec2_new_copy (const s_dvec2 *src);
    s_dvec2 * dvec2_new_product (const s_dmat3 *m, const s_dvec2 *s);
    s_dvec2 * dvec2_new_zero (void);
    
    #endif /* DVEC2_H */