Math Various mathematical routines

Miscellaneous math support. More...

Data Structures
struct	AirParameters

Functions
float	air_density_from_altitude (float altitude, struct AirParameters *air)
	air_density_from_altitude calculate air density from altitude. http://en.wikipedia.org/wiki/Density_of_air More...
float	air_pressure_from_altitude (float altitude, struct AirParameters *air)
	air_pressure_from_altitude Get air pressure from altitude and atmospheric conditions. More...
float	cas2tas (float CAS, float altitude, struct AirParameters *air)
	cas2tas calculate TAS from CAS and altitude. http://en.wikipedia.org/wiki/Airspeed More...
float	tas2cas (float TAS, float altitude, struct AirParameters *air)
	tas2cas calculate CAS from TAS and altitude. http://en.wikipedia.org/wiki/Airspeed More...
struct AirParameters	initialize_air_structure ()
	initialize_air_structure Initializes the structure with standard-temperature-pressure values More...

Variables
float	AirParameters::air_density_at_surface
float	AirParameters::air_temperature_at_surface
float	AirParameters::sea_level_press
float	AirParameters::temperature_lapse_rate
float	AirParameters::univ_gas_constant
float	AirParameters::dry_air_constant
float	AirParameters::relative_humidity
float	AirParameters::M

Detailed Description

Miscellaneous math support.

Function Documentation

float air_density_from_altitude	(	float	altitude,
		struct AirParameters *	air
	)

air_density_from_altitude calculate air density from altitude. http://en.wikipedia.org/wiki/Density_of_air

Parameters

alt
air
gravity

Returns

Definition at line 38 of file atmospheric_math.c.

float air_pressure_from_altitude	(	float	altitude,
		struct AirParameters *	air
	)

air_pressure_from_altitude Get air pressure from altitude and atmospheric conditions.

Parameters

altitude	altitude
air	atmospheric conditions
gravity

Returns

Definition at line 53 of file atmospheric_math.c.

float cas2tas	(	float	CAS,
		float	altitude,
		struct AirParameters *	air
	)

cas2tas calculate TAS from CAS and altitude. http://en.wikipedia.org/wiki/Airspeed

Parameters

CAS	Calibrated airspeed
altitude	altitude
air	atmospheric conditions
gravity

Returns

TAS True airspeed

Definition at line 68 of file atmospheric_math.c.

struct AirParameters initialize_air_structure

(

)

initialize_air_structure Initializes the structure with standard-temperature-pressure values

Returns

Definition at line 97 of file atmospheric_math.c.

float tas2cas	(	float	TAS,
		float	altitude,
		struct AirParameters *	air
	)

tas2cas calculate CAS from TAS and altitude. http://en.wikipedia.org/wiki/Airspeed

Parameters

TAS	True airspeed
altitude	altitude
air	atmospheric conditions
gravity

Returns

CAS Calibrated airspeed

Definition at line 84 of file atmospheric_math.c.

Variable Documentation

float AirParameters::air_density_at_surface

Definition at line 31 of file atmospheric_math.h.

float AirParameters::air_temperature_at_surface

Definition at line 32 of file atmospheric_math.h.

float AirParameters::dry_air_constant

Definition at line 36 of file atmospheric_math.h.

float AirParameters::M

Definition at line 38 of file atmospheric_math.h.

float AirParameters::relative_humidity

Definition at line 37 of file atmospheric_math.h.

float AirParameters::sea_level_press

Definition at line 33 of file atmospheric_math.h.

float AirParameters::temperature_lapse_rate

Definition at line 34 of file atmospheric_math.h.

float AirParameters::univ_gas_constant

Definition at line 35 of file atmospheric_math.h.