Max 5 API Reference

Math Module
[Jitter]

Collaboration diagram for Math Module:

Functions

double jit_math_cos (double x)
 Calculates the cosine.
double jit_math_sin (double x)
 Calculates the sine.
double jit_math_tan (double x)
 Calculates the tangent.
double jit_math_acos (double x)
 Calculates the arccosine.
double jit_math_asin (double x)
 Calculates the arcsine.
double jit_math_atan (double x)
 Calculates the arctangent.
double jit_math_atan2 (double y, double x)
 Calculates the four quadrant arctangent.
double jit_math_cosh (double x)
 Calculates the hyperbolic cosine.
double jit_math_sinh (double x)
 Calculates the hyperbolic sine.
double jit_math_tanh (double x)
 Calculates the hyperbolic tangent.
double jit_math_acosh (double x)
 Calculates the hyperbolic arccosine.
double jit_math_asinh (double x)
 Calculates the hyperbolic arcsine.
double jit_math_atanh (double x)
 Calculates the hyperbolic arctangent.
double jit_math_exp (double x)
 Calculates the exponent.
double jit_math_expm1 (double x)
 Calculates the exponent minus 1.
double jit_math_exp2 (double x)
 Calculates the exponent base 2.
double jit_math_log (double x)
 Calculates the logarithm.
double jit_math_log2 (double x)
 Calculates the logarithm base 2.
double jit_math_log10 (double x)
 Calculates the logarithm base 10.
double jit_math_hypot (double x, double y)
 Calculates the hypotenuse.
double jit_math_pow (double x, double y)
 Calculates x raised to the y power.
double jit_math_sqrt (double x)
 Calculates the square root.
double jit_math_ceil (double x)
 Calculates the ceiling.
double jit_math_floor (double x)
 Calculates the floor.
double jit_math_round (double x)
 Rounds the input.
double jit_math_trunc (double x)
 Truncates the input.
double jit_math_fmod (double x, double y)
 Calculates the floating point x modulo y.
double jit_math_fold (double x, double lo, double hi)
 Calculates the fold of x between lo and hi.
double jit_math_wrap (double x, double lo, double hi)
 Calculates the wrap of x between lo and hi.
double jit_math_j1_0 (double x)
 Calcuates the j1_0 Bessel function.
double jit_math_p1 (double x)
 Calcuates the p1 Bessel function.
double jit_math_q1 (double x)
 Calcuates the q1 Bessel function.
double jit_math_j1 (double x)
 Calcuates the j1 Bessel function.
unsigned long jit_math_roundup_poweroftwo (unsigned long x)
 Rounds up to the nearest power of two.
long jit_math_is_finite (float v)
 Checks if input is finite.
long jit_math_is_nan (float v)
 Checks if input is not a number (NaN).
long jit_math_is_valid (float v)
 Checks if input is both finite and a number.
long jit_math_is_poweroftwo (long x)
 Checks if input is a power of two.
float jit_math_fast_sqrt (float n)
 Calculates the square root by fast approximation.
float jit_math_fast_invsqrt (float x)
 Calculates the inverse square root by fast approximation.
float jit_math_fast_sin (float x)
 Calculates the sine by fast approximation.
float jit_math_fast_cos (float x)
 Calculates the cosine by fast approximation.
float jit_math_fast_tan (float x)
 Calculates the tangent by fast approximation.
float jit_math_fast_asin (float x)
 Calculates the arcsine by fast approximation.
float jit_math_fast_acos (float x)
 Calculates the arccosine by fast approximation.
float jit_math_fast_atan (float x)
 Calculates the arctangent by fast approximation.

Function Documentation

double jit_math_acos ( double  x  ) 

Calculates the arccosine.

Parameters:
x input
Returns:
output

Definition at line 79 of file jit.math.c.

double jit_math_acosh ( double  x  ) 

Calculates the hyperbolic arccosine.

Parameters:
x input
Returns:
output

Definition at line 178 of file jit.math.c.

double jit_math_asin ( double  x  ) 

Calculates the arcsine.

Parameters:
x input
Returns:
output

Definition at line 93 of file jit.math.c.

double jit_math_asinh ( double  x  ) 

Calculates the hyperbolic arcsine.

Parameters:
x input
Returns:
output

Definition at line 192 of file jit.math.c.

double jit_math_atan ( double  x  ) 

Calculates the arctangent.

Parameters:
x input
Returns:
output

Definition at line 107 of file jit.math.c.

double jit_math_atan2 ( double  y,
double  x 
)

Calculates the four quadrant arctangent.

Parameters:
y input
x input
Returns:
output

Definition at line 122 of file jit.math.c.

double jit_math_atanh ( double  x  ) 

Calculates the hyperbolic arctangent.

Parameters:
x input
Returns:
output

Definition at line 206 of file jit.math.c.

double jit_math_ceil ( double  x  ) 

Calculates the ceiling.

Parameters:
x input
Returns:
output

Definition at line 348 of file jit.math.c.

double jit_math_cos ( double  x  ) 

Calculates the cosine.

Parameters:
x input
Returns:
output

Definition at line 37 of file jit.math.c.

Referenced by jit_math_j1().

double jit_math_cosh ( double  x  ) 

Calculates the hyperbolic cosine.

Parameters:
x input
Returns:
output

Definition at line 136 of file jit.math.c.

double jit_math_exp ( double  x  ) 

Calculates the exponent.

Parameters:
x input
Returns:
output

Definition at line 220 of file jit.math.c.

double jit_math_exp2 ( double  x  ) 

Calculates the exponent base 2.

Parameters:
x input
Returns:
output

Definition at line 248 of file jit.math.c.

double jit_math_expm1 ( double  x  ) 

Calculates the exponent minus 1.

Parameters:
x input
Returns:
output

Definition at line 234 of file jit.math.c.

float jit_math_fast_acos ( float  x  ) 

Calculates the arccosine by fast approximation.

Absolute error of 6.8e-05 for [0, 1]

Parameters:
x input
Returns:
output

Definition at line 1044 of file jit.math.c.

References jit_math_sqrt().

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float jit_math_fast_asin ( float  x  ) 

Calculates the arcsine by fast approximation.

Absolute error of 6.8e-05 for [0, 1]

Parameters:
x input
Returns:
output

Definition at line 1019 of file jit.math.c.

References jit_math_sqrt().

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float jit_math_fast_atan ( float  x  ) 

Calculates the arctangent by fast approximation.

Absolute error of 1.43-08 for [-1, 1]

Parameters:
x input
Returns:
output

Definition at line 1069 of file jit.math.c.

float jit_math_fast_cos ( float  x  ) 

Calculates the cosine by fast approximation.

Absolute error of 1.2e-03 for [0, PI/2]

Parameters:
x input
Returns:
output

Definition at line 966 of file jit.math.c.

float jit_math_fast_invsqrt ( float  x  ) 

Calculates the inverse square root by fast approximation.

Parameters:
x input
Returns:
output

Definition at line 908 of file jit.math.c.

float jit_math_fast_sin ( float  x  ) 

Calculates the sine by fast approximation.

Absolute error of 1.7e-04 for [0, PI/2]

Parameters:
x input
Returns:
output

Definition at line 943 of file jit.math.c.

float jit_math_fast_sqrt ( float  n  ) 

Calculates the square root by fast approximation.

Parameters:
n input
Returns:
output

Definition at line 887 of file jit.math.c.

float jit_math_fast_tan ( float  x  ) 

Calculates the tangent by fast approximation.

Absolute error of 1.9e-00 for [0, PI/4]

Parameters:
x input
Returns:
output

Definition at line 988 of file jit.math.c.

double jit_math_floor ( double  x  ) 

Calculates the floor.

Parameters:
x input
Returns:
output

Definition at line 362 of file jit.math.c.

double jit_math_fmod ( double  x,
double  y 
)

Calculates the floating point x modulo y.

Parameters:
x input
y input
Returns:
output

Definition at line 405 of file jit.math.c.

double jit_math_fold ( double  x,
double  lo,
double  hi 
)

Calculates the fold of x between lo and hi.

Parameters:
x input
lo lower bound
hi upper bound
Returns:
output

Definition at line 446 of file jit.math.c.

double jit_math_hypot ( double  x,
double  y 
)

Calculates the hypotenuse.

Parameters:
x input
y input
Returns:
output

Definition at line 305 of file jit.math.c.

long jit_math_is_finite ( float  v  ) 

Checks if input is finite.

Parameters:
v input
Returns:
1 if finite. Otherwise, 0.

Definition at line 760 of file jit.math.c.

Referenced by jit_math_is_valid().

long jit_math_is_nan ( float  v  ) 

Checks if input is not a number (NaN).

Parameters:
v input
Returns:
1 if not a number. Otherwise, 0.

Definition at line 778 of file jit.math.c.

Referenced by jit_math_is_valid().

long jit_math_is_poweroftwo ( long  x  ) 

Checks if input is a power of two.

Parameters:
x input
Returns:
1 if finite. Otherwise, 0.

Definition at line 810 of file jit.math.c.

long jit_math_is_valid ( float  v  ) 

Checks if input is both finite and a number.

Parameters:
v input
Returns:
1 if vaild. Otherwise, 0.

Definition at line 796 of file jit.math.c.

References jit_math_is_finite(), and jit_math_is_nan().

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double jit_math_j1 ( double  x  ) 

Calcuates the j1 Bessel function.

Parameters:
x input
Returns:
output

Definition at line 705 of file jit.math.c.

References jit_math_cos(), jit_math_j1_0(), jit_math_p1(), jit_math_q1(), and jit_math_sin().

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double jit_math_j1_0 ( double  x  ) 

Calcuates the j1_0 Bessel function.

Parameters:
x input
Returns:
output

Definition at line 557 of file jit.math.c.

Referenced by jit_math_j1().

double jit_math_log ( double  x  ) 

Calculates the logarithm.

Parameters:
x input
Returns:
output

Definition at line 262 of file jit.math.c.

double jit_math_log10 ( double  x  ) 

Calculates the logarithm base 10.

Parameters:
x input
Returns:
output

Definition at line 290 of file jit.math.c.

double jit_math_log2 ( double  x  ) 

Calculates the logarithm base 2.

Parameters:
x input
Returns:
output

Definition at line 276 of file jit.math.c.

double jit_math_p1 ( double  x  ) 

Calcuates the p1 Bessel function.

Parameters:
x input
Returns:
output

Definition at line 609 of file jit.math.c.

Referenced by jit_math_j1().

double jit_math_pow ( double  x,
double  y 
)

Calculates x raised to the y power.

Parameters:
x input
y input
Returns:
output

Definition at line 320 of file jit.math.c.

double jit_math_q1 ( double  x  ) 

Calcuates the q1 Bessel function.

Parameters:
x input
Returns:
output

Definition at line 657 of file jit.math.c.

Referenced by jit_math_j1().

double jit_math_round ( double  x  ) 

Rounds the input.

Parameters:
x input
Returns:
output

Definition at line 376 of file jit.math.c.

unsigned long jit_math_roundup_poweroftwo ( unsigned long  x  ) 

Rounds up to the nearest power of two.

Parameters:
x input
Returns:
output

Definition at line 740 of file jit.math.c.

double jit_math_sin ( double  x  ) 

Calculates the sine.

Parameters:
x input
Returns:
output

Definition at line 51 of file jit.math.c.

Referenced by jit_math_j1().

double jit_math_sinh ( double  x  ) 

Calculates the hyperbolic sine.

Parameters:
x input
Returns:
output

Definition at line 150 of file jit.math.c.

double jit_math_sqrt ( double  x  ) 

Calculates the square root.

Parameters:
x input
Returns:
output

Definition at line 334 of file jit.math.c.

Referenced by jit_math_fast_acos(), and jit_math_fast_asin().

double jit_math_tan ( double  x  ) 

Calculates the tangent.

Parameters:
x input
Returns:
output

Definition at line 65 of file jit.math.c.

double jit_math_tanh ( double  x  ) 

Calculates the hyperbolic tangent.

Parameters:
x input
Returns:
output

Definition at line 164 of file jit.math.c.

double jit_math_trunc ( double  x  ) 

Truncates the input.

Parameters:
x input
Returns:
output

Definition at line 390 of file jit.math.c.

double jit_math_wrap ( double  x,
double  lo,
double  hi 
)

Calculates the wrap of x between lo and hi.

Parameters:
x input
lo lower bound
hi upper bound
Returns:
output

Definition at line 497 of file jit.math.c.

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