gfx/math.h header reference
[Lightweight 2d graphic module]
The source code of this header can be browsed online.
Members [link]
Functions [link]
- int32_t gfx_cos(uint_fast16_t x)
- int32_t gfx_sin(uint_fast16_t x)
- uint32_t gfx_sqrt32(uint32_t x)
Constant [link]
- const int32_t gfx_sin_table[129]
Members detail [link]
#define GFX_SQRT2_2_Q0_32 [link]
This macro is declared in gfx/math.h source file, line 33.
#define _GFX_MATH_H_ [link]
This macro is declared in gfx/math.h source file, line 29.
int32_t gfx_cos(uint_fast16_t x) [link]
This function is declared in gfx/math.h source file, line 50.
See also gfx_sin.
int32_t gfx_sin(uint_fast16_t x) [link]
This function is declared in gfx/math.h source file, line 40.
This function returns a Q2.30 signed fixed point. angle period is 512
This constant is declared in gfx/math.h source file, line 36.
This function is declared in gfx/math.h source file, line 55.