Collaboration diagram for Defines:Macros | |
| #define | HAL_GFX_E 2.71828182845904523536f |
| e More... | |
| #define | HAL_GFX_LOG2E 1.44269504088896340736f |
| log2(e) More... | |
| #define | HAL_GFX_LOG10E 0.434294481903251827651f |
| log10(e) More... | |
| #define | HAL_GFX_LN2 0.693147180559945309417f |
| ln(2) More... | |
| #define | HAL_GFX_LN10 2.30258509299404568402f |
| ln(10) More... | |
| #define | HAL_GFX_PI 3.14159265358979323846f |
| pi More... | |
| #define | HAL_GFX_PI_2 1.57079632679489661923f |
| pi/2 More... | |
| #define | HAL_GFX_PI_4 0.785398163397448309616f |
| pi/4 More... | |
| #define | HAL_GFX_1_PI 0.318309886183790671538f |
| 1/pi More... | |
| #define | HAL_GFX_2_PI 0.636619772367581343076f |
| 2/pi More... | |
| #define | HAL_GFX_2_SQRTPI 1.12837916709551257390f |
| 2/sqrt(pi) More... | |
| #define | HAL_GFX_SQRT2 1.41421356237309504880f |
| sqrt(2) More... | |
| #define | HAL_GFX_SQRT1_2 0.707106781186547524401f |
| 1/sqrt(2) More... | |
| #define | hal_gfx_min2(a, b) (((a)<(b))?( a):(b)) |
| Find the minimum of two values. More... | |
| #define | hal_gfx_max2(a, b) (((a)>(b))?( a):(b)) |
| Find the maximum of two values. More... | |
| #define | hal_gfx_clamp(val, min, max) hal_gfx_min2((max), hal_gfx_max2((min), (val))) |
| Clamp value. More... | |
| #define | hal_gfx_abs(a) (((a)< 0 )?(-(a)):(a)) |
| Calculate the absolute value of int. More... | |
| #define | hal_gfx_absf(a) (((a)< 0.f )?(-(a)):(a)) |
| Calculate the absolute value of float. More... | |
| #define | hal_gfx_floats_equal(x, y) (hal_gfx_absf((x) - (y)) <= 0.00001f * hal_gfx_min2(hal_gfx_absf(x), hal_gfx_absf(y))) |
| Compare two floats. More... | |
| #define | hal_gfx_float_is_zero(x) (hal_gfx_absf(x) <= 0.00001f) |
| Checks if value x is zero. More... | |
| #define | hal_gfx_deg_to_rad(d) (0.0174532925199f * (d)) |
| Convert degrees to radians. More... | |
| #define | hal_gfx_rad_to_deg(r) (57.295779513f * (r)) |
| onvert radians to degries. More... | |
| #define | hal_gfx_i2fx(a) ((a)*0x10000) |
| Convert integer to 16.16 fixed point. More... | |
| #define | hal_gfx_floor(f) ((int)(f) - ( (int)(f) > (f) )) |
| Floor function. More... | |
| #define | hal_gfx_ceil(f) ((int)(f) + ( (int)(f) < (f) )) |
| Ceiling function. More... | |
| #define HAL_GFX_1_PI 0.318309886183790671538f |
1/pi
Definition at line 70 of file hal_gfx_math.h.
| #define HAL_GFX_2_PI 0.636619772367581343076f |
2/pi
Definition at line 71 of file hal_gfx_math.h.
| #define HAL_GFX_2_SQRTPI 1.12837916709551257390f |
2/sqrt(pi)
Definition at line 72 of file hal_gfx_math.h.
| #define hal_gfx_abs | ( | a | ) | (((a)< 0 )?(-(a)):(a)) |
Calculate the absolute value of int.
Definition at line 79 of file hal_gfx_math.h.
| #define hal_gfx_absf | ( | a | ) | (((a)< 0.f )?(-(a)):(a)) |
Calculate the absolute value of float.
Definition at line 80 of file hal_gfx_math.h.
| #define hal_gfx_ceil | ( | f | ) | ((int)(f) + ( (int)(f) < (f) )) |
Ceiling function.
Definition at line 87 of file hal_gfx_math.h.
| #define hal_gfx_clamp | ( | val, | |
| min, | |||
| max | |||
| ) | hal_gfx_min2((max), hal_gfx_max2((min), (val))) |
Clamp value.
Definition at line 78 of file hal_gfx_math.h.
| #define hal_gfx_deg_to_rad | ( | d | ) | (0.0174532925199f * (d)) |
Convert degrees to radians.
Definition at line 83 of file hal_gfx_math.h.
| #define HAL_GFX_E 2.71828182845904523536f |
e
Definition at line 62 of file hal_gfx_math.h.
| #define hal_gfx_float_is_zero | ( | x | ) | (hal_gfx_absf(x) <= 0.00001f) |
Checks if value x is zero.
Definition at line 82 of file hal_gfx_math.h.
| #define hal_gfx_floats_equal | ( | x, | |
| y | |||
| ) | (hal_gfx_absf((x) - (y)) <= 0.00001f * hal_gfx_min2(hal_gfx_absf(x), hal_gfx_absf(y))) |
Compare two floats.
Definition at line 81 of file hal_gfx_math.h.
| #define hal_gfx_floor | ( | f | ) | ((int)(f) - ( (int)(f) > (f) )) |
Floor function.
Definition at line 86 of file hal_gfx_math.h.
| #define hal_gfx_i2fx | ( | a | ) | ((a)*0x10000) |
Convert integer to 16.16 fixed point.
Definition at line 85 of file hal_gfx_math.h.
| #define HAL_GFX_LN10 2.30258509299404568402f |
ln(10)
Definition at line 66 of file hal_gfx_math.h.
| #define HAL_GFX_LN2 0.693147180559945309417f |
ln(2)
Definition at line 65 of file hal_gfx_math.h.
| #define HAL_GFX_LOG10E 0.434294481903251827651f |
log10(e)
Definition at line 64 of file hal_gfx_math.h.
| #define HAL_GFX_LOG2E 1.44269504088896340736f |
log2(e)
Definition at line 63 of file hal_gfx_math.h.
| #define hal_gfx_max2 | ( | a, | |
| b | |||
| ) | (((a)>(b))?( a):(b)) |
Find the maximum of two values.
Definition at line 77 of file hal_gfx_math.h.
| #define hal_gfx_min2 | ( | a, | |
| b | |||
| ) | (((a)<(b))?( a):(b)) |
Find the minimum of two values.
Definition at line 76 of file hal_gfx_math.h.
| #define HAL_GFX_PI 3.14159265358979323846f |
pi
Definition at line 67 of file hal_gfx_math.h.
| #define HAL_GFX_PI_2 1.57079632679489661923f |
pi/2
Definition at line 68 of file hal_gfx_math.h.
| #define HAL_GFX_PI_4 0.785398163397448309616f |
pi/4
Definition at line 69 of file hal_gfx_math.h.
| #define hal_gfx_rad_to_deg | ( | r | ) | (57.295779513f * (r)) |
onvert radians to degries.
Definition at line 84 of file hal_gfx_math.h.
| #define HAL_GFX_SQRT1_2 0.707106781186547524401f |
1/sqrt(2)
Definition at line 74 of file hal_gfx_math.h.
| #define HAL_GFX_SQRT2 1.41421356237309504880f |
sqrt(2)
Definition at line 73 of file hal_gfx_math.h.