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/*
* Copyright (c), Recep Aslantas.
*
* MIT License (MIT), http://opensource.org/licenses/MIT
* Full license can be found in the LICENSE file
*/
#ifndef cglm_types_h
#define cglm_types_h
#if (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L)
# include <stdalign.h>
#endif
#if defined(_MSC_VER)
/* do not use alignment for older visual studio versions */
/* also ARM32 also causes similar error, disable it for now on ARM32 too */
# if _MSC_VER < 1913 || _M_ARM /* Visual Studio 2017 version 15.6 */
# define CGLM_ALL_UNALIGNED
# define CGLM_ALIGN(X) /* no alignment */
# else
# define CGLM_ALIGN(X) __declspec(align(X))
# endif
#else
# define CGLM_ALIGN(X) __attribute((aligned(X)))
#endif
#ifndef CGLM_ALL_UNALIGNED
# define CGLM_ALIGN_IF(X) CGLM_ALIGN(X)
#else
# define CGLM_ALIGN_IF(X) /* no alignment */
#endif
#ifdef __AVX__
# define CGLM_ALIGN_MAT CGLM_ALIGN(32)
#else
# define CGLM_ALIGN_MAT CGLM_ALIGN(16)
#endif
#ifndef CGLM_HAVE_BUILTIN_ASSUME_ALIGNED
# if defined(__has_builtin)
# if __has_builtin(__builtin_assume_aligned)
# define CGLM_HAVE_BUILTIN_ASSUME_ALIGNED 1
# endif
# elif defined(__GNUC__) && defined(__GNUC_MINOR__)
# if __GNUC__ >= 4 && __GNUC_MINOR__ >= 7
# define CGLM_HAVE_BUILTIN_ASSUME_ALIGNED 1
# endif
# endif
# ifndef CGLM_HAVE_BUILTIN_ASSUME_ALIGNED
# define CGLM_HAVE_BUILTIN_ASSUME_ALIGNED 0
# endif
#endif
#if CGLM_HAVE_BUILTIN_ASSUME_ALIGNED
# define CGLM_ASSUME_ALIGNED(expr, alignment) \
__builtin_assume_aligned((expr), (alignment))
#else
# define CGLM_ASSUME_ALIGNED(expr, alignment) (expr)
#endif
#if (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L)
# define CGLM_CASTPTR_ASSUME_ALIGNED(expr, type) \
((type*)CGLM_ASSUME_ALIGNED((expr), alignof(type)))
#elif defined(_MSC_VER)
# define CGLM_CASTPTR_ASSUME_ALIGNED(expr, type) \
((type*)CGLM_ASSUME_ALIGNED((expr), __alignof(type)))
#else
# define CGLM_CASTPTR_ASSUME_ALIGNED(expr, type) \
((type*)CGLM_ASSUME_ALIGNED((expr), __alignof__(type)))
#endif
typedef int ivec2[2];
typedef int ivec3[3];
typedef int ivec4[4];
typedef float vec2[2];
typedef float vec3[3];
typedef CGLM_ALIGN_IF(16) float vec4[4];
typedef vec4 versor; /* |x, y, z, w| -> w is the last */
typedef vec3 mat3[3];
typedef vec2 mat3x2[3]; /* [col (3), row (2)] */
typedef vec4 mat3x4[3]; /* [col (3), row (4)] */
typedef CGLM_ALIGN_IF(16) vec2 mat2[2];
typedef vec3 mat2x3[2]; /* [col (2), row (3)] */
typedef vec4 mat2x4[2]; /* [col (2), row (4)] */
typedef CGLM_ALIGN_MAT vec4 mat4[4];
typedef vec2 mat4x2[4]; /* [col (4), row (2)] */
typedef vec3 mat4x3[4]; /* [col (4), row (3)] */
/*
Important: cglm stores quaternion as [x, y, z, w] in memory since v0.4.0
it was [w, x, y, z] before v0.4.0 ( v0.3.5 and earlier ). w is real part.
*/
#define GLM_E 2.71828182845904523536028747135266250 /* e */
#define GLM_LOG2E 1.44269504088896340735992468100189214 /* log2(e) */
#define GLM_LOG10E 0.434294481903251827651128918916605082 /* log10(e) */
#define GLM_LN2 0.693147180559945309417232121458176568 /* loge(2) */
#define GLM_LN10 2.30258509299404568401799145468436421 /* loge(10) */
#define GLM_PI 3.14159265358979323846264338327950288 /* pi */
#define GLM_PI_2 1.57079632679489661923132169163975144 /* pi/2 */
#define GLM_PI_4 0.785398163397448309615660845819875721 /* pi/4 */
#define GLM_1_PI 0.318309886183790671537767526745028724 /* 1/pi */
#define GLM_2_PI 0.636619772367581343075535053490057448 /* 2/pi */
#define GLM_TAU 6.283185307179586476925286766559005768 /* tau */
#define GLM_TAU_2 GLM_PI /* tau/2 */
#define GLM_TAU_4 GLM_PI_2 /* tau/4 */
#define GLM_1_TAU 0.159154943091895335768883763372514362 /* 1/tau */
#define GLM_2_TAU 0.318309886183790671537767526745028724 /* 2/tau */
#define GLM_2_SQRTPI 1.12837916709551257389615890312154517 /* 2/sqrt(pi) */
#define GLM_SQRTTAU 2.506628274631000502415765284811045253 /* sqrt(tau) */
#define GLM_SQRT2 1.41421356237309504880168872420969808 /* sqrt(2) */
#define GLM_SQRT1_2 0.707106781186547524400844362104849039 /* 1/sqrt(2) */
#define GLM_Ef ((float)GLM_E)
#define GLM_LOG2Ef ((float)GLM_LOG2E)
#define GLM_LOG10Ef ((float)GLM_LOG10E)
#define GLM_LN2f ((float)GLM_LN2)
#define GLM_LN10f ((float)GLM_LN10)
#define GLM_PIf ((float)GLM_PI)
#define GLM_PI_2f ((float)GLM_PI_2)
#define GLM_PI_4f ((float)GLM_PI_4)
#define GLM_1_PIf ((float)GLM_1_PI)
#define GLM_2_PIf ((float)GLM_2_PI)
#define GLM_TAUf ((float)GLM_TAU)
#define GLM_TAU_2f ((float)GLM_TAU_2)
#define GLM_TAU_4f ((float)GLM_TAU_4)
#define GLM_1_TAUf ((float)GLM_1_TAU)
#define GLM_2_TAUf ((float)GLM_2_TAU)
#define GLM_2_SQRTPIf ((float)GLM_2_SQRTPI)
#define GLM_2_SQRTTAUf ((float)GLM_SQRTTAU)
#define GLM_SQRT2f ((float)GLM_SQRT2)
#define GLM_SQRT1_2f ((float)GLM_SQRT1_2)
/* DEPRECATED! use GLM_PI and friends */
#define CGLM_PI GLM_PIf
#define CGLM_PI_2 GLM_PI_2f
#define CGLM_PI_4 GLM_PI_4f
#endif /* cglm_types_h */
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