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/*
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/*
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  Simple DirectMedia Layer
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  Simple DirectMedia Layer
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  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
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  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
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  This software is provided 'as-is', without any express or implied
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  This software is provided 'as-is', without any express or implied
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  warranty.  In no event will the authors be held liable for any damages
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  warranty.  In no event will the authors be held liable for any damages
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  arising from the use of this software.
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  arising from the use of this software.
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# endif
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# endif
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# include <math.h>
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# include <math.h>
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#endif
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#endif
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#ifdef HAVE_FLOAT_H
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#ifdef HAVE_FLOAT_H
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# include <float.h>
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# include <float.h>
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#endif
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#if defined(HAVE_ALLOCA) && !defined(alloca)
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# if defined(HAVE_ALLOCA_H)
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#  include <alloca.h>
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# elif defined(__GNUC__)
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#  define alloca __builtin_alloca
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# elif defined(_MSC_VER)
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#  include <malloc.h>
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#  define alloca _alloca
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# elif defined(__WATCOMC__)
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#  include <malloc.h>
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# elif defined(__BORLANDC__)
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#  include <malloc.h>
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# elif defined(__DMC__)
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#  include <stdlib.h>
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# elif defined(__AIX__)
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#pragma alloca
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# elif defined(__MRC__)
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void *alloca(unsigned);
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# else
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char *alloca();
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# endif
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#endif
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#endif
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/**
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/**
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 *  The number of elements in an array.
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 *  The number of elements in an array.
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 */
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 */
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/* Set up for C function definitions, even when using C++ */
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/* Set up for C function definitions, even when using C++ */
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#ifdef __cplusplus
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#ifdef __cplusplus
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extern "C" {
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extern "C" {
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#endif
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#endif
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#if defined(HAVE_ALLOCA) && !defined(alloca)
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# if defined(HAVE_ALLOCA_H)
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#  include <alloca.h>
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# elif defined(__GNUC__)
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#  define alloca __builtin_alloca
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# elif defined(_MSC_VER)
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#  include <malloc.h>
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#  define alloca _alloca
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# elif defined(__WATCOMC__)
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#  include <malloc.h>
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# elif defined(__BORLANDC__)
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#  include <malloc.h>
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# elif defined(__DMC__)
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#  include <stdlib.h>
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# elif defined(__AIX__)
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#pragma alloca
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# elif defined(__MRC__)
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void *alloca(unsigned);
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# else
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char *alloca();
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# endif
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#endif
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#ifdef HAVE_ALLOCA
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#ifdef HAVE_ALLOCA
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#define SDL_stack_alloc(type, count)    (type*)alloca(sizeof(type)*(count))
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#define SDL_stack_alloc(type, count)    (type*)alloca(sizeof(type)*(count))
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#define SDL_stack_free(data)
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#define SDL_stack_free(data)
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#else
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#else
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#define SDL_stack_alloc(type, count)    (type*)SDL_malloc(sizeof(type)*(count))
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#define SDL_stack_alloc(type, count)    (type*)SDL_malloc(sizeof(type)*(count))
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        case 1:         *_p++ = _val;   /* fallthrough */
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        case 1:         *_p++ = _val;   /* fallthrough */
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        } while ( --_n );
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        } while ( --_n );
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    }
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    }
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#endif
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#endif
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}
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}
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extern DECLSPEC void *SDLCALL SDL_memcpy(SDL_OUT_BYTECAP(len) void *dst, SDL_IN_BYTECAP(len) const void *src, size_t len);
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extern DECLSPEC void *SDLCALL SDL_memcpy(SDL_OUT_BYTECAP(len) void *dst, SDL_IN_BYTECAP(len) const void *src, size_t len);
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extern DECLSPEC void *SDLCALL SDL_memmove(SDL_OUT_BYTECAP(len) void *dst, SDL_IN_BYTECAP(len) const void *src, size_t len);
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extern DECLSPEC void *SDLCALL SDL_memmove(SDL_OUT_BYTECAP(len) void *dst, SDL_IN_BYTECAP(len) const void *src, size_t len);
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extern DECLSPEC int SDLCALL SDL_memcmp(const void *s1, const void *s2, size_t len);
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extern DECLSPEC int SDLCALL SDL_memcmp(const void *s1, const void *s2, size_t len);
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extern DECLSPEC wchar_t *SDLCALL SDL_wcsdup(const wchar_t *wstr);
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extern DECLSPEC size_t SDLCALL SDL_wcslen(const wchar_t *wstr);
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extern DECLSPEC size_t SDLCALL SDL_wcslen(const wchar_t *wstr);
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extern DECLSPEC size_t SDLCALL SDL_wcslcpy(SDL_OUT_Z_CAP(maxlen) wchar_t *dst, const wchar_t *src, size_t maxlen);
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extern DECLSPEC size_t SDLCALL SDL_wcslcpy(SDL_OUT_Z_CAP(maxlen) wchar_t *dst, const wchar_t *src, size_t maxlen);
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extern DECLSPEC size_t SDLCALL SDL_wcslcat(SDL_INOUT_Z_CAP(maxlen) wchar_t *dst, const wchar_t *src, size_t maxlen);
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extern DECLSPEC size_t SDLCALL SDL_wcslcat(SDL_INOUT_Z_CAP(maxlen) wchar_t *dst, const wchar_t *src, size_t maxlen);
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extern DECLSPEC int SDLCALL SDL_wcscmp(const wchar_t *str1, const wchar_t *str2);
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extern DECLSPEC int SDLCALL SDL_wcscmp(const wchar_t *str1, const wchar_t *str2);
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#define M_PI    3.14159265358979323846264338327950288   /**< pi */
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#define M_PI    3.14159265358979323846264338327950288   /**< pi */
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#endif
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#endif
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#endif
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#endif
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extern DECLSPEC double SDLCALL SDL_acos(double x);
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extern DECLSPEC double SDLCALL SDL_acos(double x);
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extern DECLSPEC float SDLCALL SDL_acosf(float x);
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extern DECLSPEC double SDLCALL SDL_asin(double x);
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extern DECLSPEC double SDLCALL SDL_asin(double x);
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extern DECLSPEC float SDLCALL SDL_asinf(float x);
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extern DECLSPEC double SDLCALL SDL_atan(double x);
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extern DECLSPEC double SDLCALL SDL_atan(double x);
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extern DECLSPEC float SDLCALL SDL_atanf(float x);
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extern DECLSPEC double SDLCALL SDL_atan2(double x, double y);
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extern DECLSPEC double SDLCALL SDL_atan2(double x, double y);
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extern DECLSPEC float SDLCALL SDL_atan2f(float x, float y);
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extern DECLSPEC double SDLCALL SDL_ceil(double x);
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extern DECLSPEC double SDLCALL SDL_ceil(double x);
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extern DECLSPEC float SDLCALL SDL_ceilf(float x);
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extern DECLSPEC double SDLCALL SDL_copysign(double x, double y);
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extern DECLSPEC double SDLCALL SDL_copysign(double x, double y);
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extern DECLSPEC float SDLCALL SDL_copysignf(float x, float y);
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extern DECLSPEC double SDLCALL SDL_cos(double x);
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extern DECLSPEC double SDLCALL SDL_cos(double x);
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extern DECLSPEC float SDLCALL SDL_cosf(float x);
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extern DECLSPEC float SDLCALL SDL_cosf(float x);
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extern DECLSPEC double SDLCALL SDL_exp(double x);
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extern DECLSPEC float SDLCALL SDL_expf(float x);
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extern DECLSPEC double SDLCALL SDL_fabs(double x);
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extern DECLSPEC double SDLCALL SDL_fabs(double x);
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extern DECLSPEC float SDLCALL SDL_fabsf(float x);
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extern DECLSPEC double SDLCALL SDL_floor(double x);
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extern DECLSPEC double SDLCALL SDL_floor(double x);
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extern DECLSPEC float SDLCALL SDL_floorf(float x);
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extern DECLSPEC double SDLCALL SDL_fmod(double x, double y);
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extern DECLSPEC float SDLCALL SDL_fmodf(float x, float y);
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extern DECLSPEC double SDLCALL SDL_log(double x);
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extern DECLSPEC double SDLCALL SDL_log(double x);
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extern DECLSPEC float SDLCALL SDL_logf(float x);
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extern DECLSPEC double SDLCALL SDL_log10(double x);
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extern DECLSPEC float SDLCALL SDL_log10f(float x);
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extern DECLSPEC double SDLCALL SDL_pow(double x, double y);
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extern DECLSPEC double SDLCALL SDL_pow(double x, double y);
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extern DECLSPEC float SDLCALL SDL_powf(float x, float y);
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extern DECLSPEC double SDLCALL SDL_scalbn(double x, int n);
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extern DECLSPEC double SDLCALL SDL_scalbn(double x, int n);
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extern DECLSPEC float SDLCALL SDL_scalbnf(float x, int n);
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extern DECLSPEC double SDLCALL SDL_sin(double x);
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extern DECLSPEC double SDLCALL SDL_sin(double x);
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extern DECLSPEC float SDLCALL SDL_sinf(float x);
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extern DECLSPEC float SDLCALL SDL_sinf(float x);
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extern DECLSPEC double SDLCALL SDL_sqrt(double x);
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extern DECLSPEC double SDLCALL SDL_sqrt(double x);
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extern DECLSPEC float SDLCALL SDL_sqrtf(float x);
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extern DECLSPEC float SDLCALL SDL_sqrtf(float x);
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extern DECLSPEC double SDLCALL SDL_tan(double x);
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extern DECLSPEC double SDLCALL SDL_tan(double x);