lob Namespace Reference

Classes
class	Builder
	Builder class for constructing Input objects with a friendly interface. More...
struct	Input
	Structure of input parameters consumed by the solver. More...
struct	Output
	Structure holding the output results of the ballistic calculation. More...

Functions
LOB_EXPORT const char *	Version ()
	Gets the library version in major.minor.patch format.
template<typename T = double>
constexpr T	NaN ()
	Not-a-Number for floating-point values.
LOB_EXPORT size_t	Solve (const Input &in, const uint32_t *pranges, Output *pouts, size_t size)
	Solves the exterior ballistics problem for a given set of ranges.
template<size_t N>
size_t	Solve (const Input &in, const std::array< uint32_t, N > &pranges, std::array< Output, N > &pouts)
	Solves the exterior ballistics problem for a given set of ranges.
LOB_EXPORT double	MoaToMil (double value)
	Converts minutes of angle (MOA) to milliradians (MIL).
LOB_EXPORT double	MoaToDeg (double value)
	Converts minutes of angle (MOA) to degrees.
LOB_EXPORT double	MoaToIphy (double value)
	Converts minutes of angle (MOA) to inches per hundred yards (IPHY).
LOB_EXPORT double	MoaToInch (double value, double range_ft)
	Converts minutes of angle (MOA) to projected inches at a given range in feet.
LOB_EXPORT double	MilToMoa (double value)
	Converts milliradians (MIL) to minutes of angle (MOA).
LOB_EXPORT double	MilToDeg (double value)
	Converts milliradians (MIL) to degrees.
LOB_EXPORT double	MilToIphy (double value)
	Converts milliradians (MIL) to inches per hundred yards (IPHY).
LOB_EXPORT double	MilToInch (double value, double range_ft)
	Converts milliradians (MIL) to projected inches at a given range in feet.
LOB_EXPORT double	DegToMoa (double value)
	Converts degrees to minutes of angle (MOA).
LOB_EXPORT double	DegToMil (double value)
	Converts degrees to milliradians (MIL).
LOB_EXPORT double	InchToMoa (double value, double range_ft)
	Inches of projection at a given range to minutes of angle (MOA)
LOB_EXPORT double	InchToMil (double value, double range_ft)
	Inches of projection at a given range to milliradians (MIL)
LOB_EXPORT double	InchToDeg (double value, double range_ft)
	Inches of projection at a given range to degrees.
LOB_EXPORT double	JToFtLbs (double value)
	Converts joules to foot-pounds.
LOB_EXPORT double	FtLbsToJ (double value)
	Converts foot-pounds to joules.
LOB_EXPORT double	MtoYd (double value)
	Converts meters to yards.
LOB_EXPORT double	YdToFt (double value)
	Converts yards to feet.
LOB_EXPORT double	MToFt (double value)
	Converts meters to feet.
LOB_EXPORT double	FtToIn (double value)
	Converts feet to inches.
LOB_EXPORT double	MmToIn (double value)
	Converts millimeters to inches.
LOB_EXPORT double	CmToIn (double value)
	Converts centimeters to inches.
LOB_EXPORT double	YdToM (double value)
	Converts yards to meters.
LOB_EXPORT double	FtToM (double value)
	Converts feet to meters.
LOB_EXPORT double	FtToYd (double value)
	Converts feet to yards.
LOB_EXPORT double	InToMm (double value)
	Converts inches to millimeters.
LOB_EXPORT double	InToCm (double value)
	Converts inches to centimeters.
LOB_EXPORT double	InToFt (double value)
	Converts inches to feet.
LOB_EXPORT double	PaToInHg (double value)
	Converts pascals to inches of mercury.
LOB_EXPORT double	MbarToInHg (double value)
	Converts millibars to inches of mercury.
LOB_EXPORT double	PsiToInHg (double value)
	Converts pounds per square inch (PSI) to inches of mercury.
LOB_EXPORT double	LbsToGrain (double value)
	Converts pounds to grains.
LOB_EXPORT double	GToGrain (double value)
	Converts grams to grains.
LOB_EXPORT double	KgToGrain (double value)
	Converts kilograms to grains.
LOB_EXPORT double	KgSqMToPmsi (double value)
	Converts kilograms per square meter to pounds mass per square inch.
LOB_EXPORT double	FpsToMps (double value)
	Converts feet per second to meters per second.
LOB_EXPORT double	MpsToFps (double value)
	Converts meters per second to feet per second.
LOB_EXPORT double	KphToMph (double value)
	Converts kilometers per hour to miles per hour.
LOB_EXPORT double	KnToMph (double value)
	Converts Knots to miles per hour.
LOB_EXPORT double	MsToS (double value)
	Converts milliseconds to seconds.
LOB_EXPORT double	UsToS (double value)
	Converts microseconds to seconds.
LOB_EXPORT double	SToMs (double value)
	Converts seconds to milliseconds.
LOB_EXPORT double	SToUs (double value)
	Converts seconds to microseconds.
LOB_EXPORT double	DegCToDegF (double value)
	Converts degrees celsius to degrees fahrenheit.

Variables
enum LOB_EXPORT	DragFunctionT
	Enumerates the supported drag functions.
enum LOB_EXPORT	kG2 = 2U
	G1 drag function.
enum LOB_EXPORT	kG5 = 5U
	G2 drag function.
enum LOB_EXPORT	kG6 = 6U
	G5 drag function.
enum LOB_EXPORT	kG7 = 7U
	G6 drag function.
enum LOB_EXPORT	kG8
	G7 drag function.
enum LOB_EXPORT	AtmosphereReferenceT
	Enumerates the supported atmosphere reference types.
enum LOB_EXPORT	kIcao
	Army Standard Metro.
enum LOB_EXPORT	ClockAngleT
	Enumerates clock angle positions.
enum LOB_EXPORT	kII
	one o'clock
enum LOB_EXPORT	kIII
	two o'clock
enum LOB_EXPORT	kIV
	three o'clock
enum LOB_EXPORT	kV
	four o'clock
enum LOB_EXPORT	kVI
	five o'clock
enum LOB_EXPORT	kVII
	six o'clock
enum LOB_EXPORT	kVIII
	seven o'clock
enum LOB_EXPORT	kIX
	eight o'clock
enum LOB_EXPORT	kX
	nine o'clock
enum LOB_EXPORT	kXI
	ten o'clock
enum LOB_EXPORT	kXII
	eleven o'clock
enum LOB_EXPORT	ErrorT
enum LOB_EXPORT	kAirPressure
enum LOB_EXPORT	kAltitude
enum LOB_EXPORT	kAzimuth
enum LOB_EXPORT	kBallisticCoefficient
enum LOB_EXPORT	kBaseDiameter
enum LOB_EXPORT	kDiameter
enum LOB_EXPORT	kHumidity
enum LOB_EXPORT	kInitialVelocity
enum LOB_EXPORT	kLatitude
enum LOB_EXPORT	kLength
enum LOB_EXPORT	kMachDragTable
enum LOB_EXPORT	kMass
enum LOB_EXPORT	kMaximumTime
enum LOB_EXPORT	kMeplatDiameter
enum LOB_EXPORT	kNoseLength
enum LOB_EXPORT	kOgiveRtR
enum LOB_EXPORT	kRangeAngle
enum LOB_EXPORT	kTailLength
enum LOB_EXPORT	kWindHeading
enum LOB_EXPORT	kZeroAngle
enum LOB_EXPORT	kZeroDistance
enum LOB_EXPORT	kNotFormed

Function Documentation

CmToIn()

LOB_EXPORT double lob::CmToIn

(

double

value

)

Converts centimeters to inches.

Parameters

value

Length in centimeters.

Returns

Equivalent length in inches.

DegCToDegF()

LOB_EXPORT double lob::DegCToDegF

(

double

value

)

Converts degrees celsius to degrees fahrenheit.

Parameters

value

Temperature in degrees celsius

Returns

Equivalent temperature in Degrees Fahrenheit

DegToMil()

LOB_EXPORT double lob::DegToMil

(

double

value

)

Converts degrees to milliradians (MIL).

Parameters

value

Angle in degrees.

Returns

Equivalent angle in MIL.

DegToMoa()

LOB_EXPORT double lob::DegToMoa

(

double

value

)

Converts degrees to minutes of angle (MOA).

Parameters

value

Angle in degrees.

Returns

Equivalent angle in MOA.

FpsToMps()

LOB_EXPORT double lob::FpsToMps

(

double

value

)

Converts feet per second to meters per second.

Parameters

value

Speed in feet per second.

Returns

Equivalent speed in meters per second.

FtLbsToJ()

LOB_EXPORT double lob::FtLbsToJ

(

double

value

)

Converts foot-pounds to joules.

Parameters

value

Energy in foot-pounds.

Returns

Equivalent energy in joules.

FtToIn()

LOB_EXPORT double lob::FtToIn

(

double

value

)

Converts feet to inches.

Parameters

value

Length in feet.

Returns

Equivalent length in inches.

FtToM()

LOB_EXPORT double lob::FtToM

(

double

value

)

Converts feet to meters.

Parameters

value

Length in feet.

Returns

Equivalent length in meters.

FtToYd()

LOB_EXPORT double lob::FtToYd

(

double

value

)

Converts feet to yards.

Parameters

value

Length in feet.

Returns

Equivalent length in yards.

GToGrain()

LOB_EXPORT double lob::GToGrain

(

double

value

)

Converts grams to grains.

Parameters

value

Mass in grams.

Returns

Equivalent mass in grains.

InchToDeg()

LOB_EXPORT double lob::InchToDeg	(	double	value,
		double	range_ft )

Inches of projection at a given range to degrees.

Parameters

value	Projected inches.
range_ft	Range in feet.

Returns

Equivalent angle in degrees.

InchToMil()

LOB_EXPORT double lob::InchToMil	(	double	value,
		double	range_ft )

Inches of projection at a given range to milliradians (MIL)

Parameters

value	Projected inches.
range_ft	Range in feet.

Returns

Equivalent angle in MIL.

InchToMoa()

LOB_EXPORT double lob::InchToMoa	(	double	value,
		double	range_ft )

Inches of projection at a given range to minutes of angle (MOA)

Parameters

value	Projected inches.
range_ft	Range in feet.

Returns

Equivalent angle in MOA.

InToCm()

LOB_EXPORT double lob::InToCm

(

double

value

)

Converts inches to centimeters.

Parameters

value

Length in inches.

Returns

Equivalent length in centimeters.

InToFt()

LOB_EXPORT double lob::InToFt

(

double

value

)

Converts inches to feet.

Parameters

value

Length in inches.

Returns

Equivalent length in feet.

InToMm()

LOB_EXPORT double lob::InToMm

(

double

value

)

Converts inches to millimeters.

Parameters

value

Length in inches.

Returns

Equivalent length in millimeters.

JToFtLbs()

LOB_EXPORT double lob::JToFtLbs

(

double

value

)

Converts joules to foot-pounds.

Parameters

value

Energy in joules.

Returns

Equivalent energy in foot-pounds.

KgSqMToPmsi()

LOB_EXPORT double lob::KgSqMToPmsi

(

double

value

)

Converts kilograms per square meter to pounds mass per square inch.

Parameters

value

Sectional density in Kg/m².

Returns

Equivalent sectional density in lb/in².

KgToGrain()

LOB_EXPORT double lob::KgToGrain

(

double

value

)

Converts kilograms to grains.

Parameters

value

Mass in kilograms.

Returns

Equivalent mass in grains.

KnToMph()

LOB_EXPORT double lob::KnToMph

(

double

value

)

Converts Knots to miles per hour.

Parameters

value

Speed in Knots.

Returns

Equivalent speed in miles per hour.

KphToMph()

LOB_EXPORT double lob::KphToMph

(

double

value

)

Converts kilometers per hour to miles per hour.

Parameters

value

Speed in kilometers per hour.

Returns

Equivalent speed in miles per hour.

LbsToGrain()

LOB_EXPORT double lob::LbsToGrain

(

double

value

)

Converts pounds to grains.

Parameters

value

Mass in pounds.

Returns

Equivalent mass in grains.

MbarToInHg()

LOB_EXPORT double lob::MbarToInHg

(

double

value

)

Converts millibars to inches of mercury.

Parameters

value

Pressure in millibars.

Returns

Equivalent pressure in inches of mercury.

MilToDeg()

LOB_EXPORT double lob::MilToDeg

(

double

value

)

Converts milliradians (MIL) to degrees.

Parameters

value

Angle in MIL.

Returns

Equivalent angle in degrees.

MilToInch()

LOB_EXPORT double lob::MilToInch	(	double	value,
		double	range_ft )

Converts milliradians (MIL) to projected inches at a given range in feet.

Parameters

value	Angle in MIL.
range_ft	Range in feet.

Returns

Equivalent projected inches.

MilToIphy()

LOB_EXPORT double lob::MilToIphy

(

double

value

)

Converts milliradians (MIL) to inches per hundred yards (IPHY).

Parameters

value

Angle in MIL.

Returns

Equivalent angle in IPHY.

MilToMoa()

LOB_EXPORT double lob::MilToMoa

(

double

value

)

Converts milliradians (MIL) to minutes of angle (MOA).

Parameters

value

Angle in MIL.

Returns

Equivalent angle in MOA.

MmToIn()

LOB_EXPORT double lob::MmToIn

(

double

value

)

Converts millimeters to inches.

Parameters

value

Length in millimeters.

Returns

Equivalent length in inches.

MoaToDeg()

LOB_EXPORT double lob::MoaToDeg

(

double

value

)

Converts minutes of angle (MOA) to degrees.

Parameters

value

Angle in MOA.

Returns

Equivalent angle in degrees.

MoaToInch()

LOB_EXPORT double lob::MoaToInch	(	double	value,
		double	range_ft )

Converts minutes of angle (MOA) to projected inches at a given range in feet.

Parameters

value	Angle in MOA.
range_ft	Range in feet.

Returns

Equivalent projected inches.

MoaToIphy()

LOB_EXPORT double lob::MoaToIphy

(

double

value

)

Converts minutes of angle (MOA) to inches per hundred yards (IPHY).

Parameters

value

Angle in MOA.

Returns

Equivalent angle in IPHY.

MoaToMil()

LOB_EXPORT double lob::MoaToMil

(

double

value

)

Converts minutes of angle (MOA) to milliradians (MIL).

Parameters

value

Angle in MOA.

Returns

Equivalent angle in MIL.

MpsToFps()

LOB_EXPORT double lob::MpsToFps

(

double

value

)

Converts meters per second to feet per second.

Parameters

value

Speed in meters per second.

Returns

Equivalent speed in feet per second.

MsToS()

LOB_EXPORT double lob::MsToS

(

double

value

)

Converts milliseconds to seconds.

Parameters

value

Time in milliseconds.

Returns

Equivalent time in seconds.

MToFt()

LOB_EXPORT double lob::MToFt

(

double

value

)

Converts meters to feet.

Parameters

value

Length in meters.

Returns

Equivalent length in feet.

MtoYd()

LOB_EXPORT double lob::MtoYd

(

double

value

)

Converts meters to yards.

Parameters

value

Length in meters.

Returns

Equivalent length in yards.

NaN()

template<typename T = double>

T lob::NaN ( )

constexpr

Not-a-Number for floating-point values.

PaToInHg()

LOB_EXPORT double lob::PaToInHg

(

double

value

)

Converts pascals to inches of mercury.

Parameters

value

Pressure in pascals.

Returns

Equivalent pressure in inches of mercury.

PsiToInHg()

LOB_EXPORT double lob::PsiToInHg

(

double

value

)

Converts pounds per square inch (PSI) to inches of mercury.

Parameters

value

Pressure in PSI.

Returns

Equivalent pressure in inches of mercury.

Solve() [1/2]

template<size_t N>

size_t lob::Solve	(	const Input &	in,
		const std::array< uint32_t, N > &	pranges,
		std::array< Output, N > &	pouts )

Solves the exterior ballistics problem for a given set of ranges.

Template Parameters

N	The number of ranges to solve for.

Parameters

in	Input parameters for the calculation.
pranges	Reference to an array of ranges (in feet) to solve for.
pouts	Reference to an array where the output results will be stored.

Returns

The number of successful solutions.

Solve() [2/2]

LOB_EXPORT size_t lob::Solve	(	const Input &	in,
		const uint32_t *	pranges,
		Output *	pouts,
		size_t	size )

Solves the exterior ballistics problem for a given set of ranges.

Parameters

in	Input parameters for the calculation.
pranges	Pointer to an array of ranges (in feet) to solve for.
pouts	Pointer to an array wherec the output results will be stored.
size	The number of ranges to solve for.

Returns

The number of successful solutions.

SToMs()

LOB_EXPORT double lob::SToMs

(

double

value

)

Converts seconds to milliseconds.

Parameters

value

Time in seconds.

Returns

Equivalent time in milliseconds.

SToUs()

LOB_EXPORT double lob::SToUs

(

double

value

)

Converts seconds to microseconds.

Parameters

value

Time in seconds.

Returns

Equivalent time in microseconds.

UsToS()

LOB_EXPORT double lob::UsToS

(

double

value

)

Converts microseconds to seconds.

Parameters

value

Time in microseconds.

Returns

Equivalent time in seconds.

Version()

LOB_EXPORT const char * lob::Version

(

)

Gets the library version in major.minor.patch format.

Returns

Version string.

YdToFt()

LOB_EXPORT double lob::YdToFt

(

double

value

)

Converts yards to feet.

Parameters

value

Length in yards.

Returns

Equivalent length in feet.

YdToM()

LOB_EXPORT double lob::YdToM

(

double

value

)

Converts yards to meters.

Parameters

value

Length in yards.

Returns

Equivalent length in meters.

Variable Documentation

AtmosphereReferenceT

enum LOB_EXPORT lob::AtmosphereReferenceT

strong

Enumerates the supported atmosphere reference types.

ClockAngleT

enum LOB_EXPORT lob::ClockAngleT

strong

Enumerates clock angle positions.

Note

Values are named with Roman numerals. This is used for reasoning about wind direction.

DragFunctionT

enum LOB_EXPORT lob::DragFunctionT

strong

Enumerates the supported drag functions.

ErrorT

enum LOB_EXPORT lob::ErrorT

strong

kAirPressure

enum LOB_EXPORT lob::kAirPressure

kAltitude

enum LOB_EXPORT lob::kAltitude

kAzimuth

enum LOB_EXPORT lob::kAzimuth

kBallisticCoefficient

enum LOB_EXPORT lob::kBallisticCoefficient

kBaseDiameter

enum LOB_EXPORT lob::kBaseDiameter

kDiameter

enum LOB_EXPORT lob::kDiameter

kG2

enum LOB_EXPORT lob::kG2 = 2U

G1 drag function.

kG5

enum LOB_EXPORT lob::kG5 = 5U

G2 drag function.

kG6

enum LOB_EXPORT lob::kG6 = 6U

G5 drag function.

kG7

enum LOB_EXPORT lob::kG7 = 7U

G6 drag function.

kG8

enum LOB_EXPORT lob::kG8

Initial value:

= 8U   
}

G7 drag function.

kHumidity

enum LOB_EXPORT lob::kHumidity

kIcao

enum LOB_EXPORT lob::kIcao

Army Standard Metro.

International Civil Aviation Organization (ICAO)

kII

enum LOB_EXPORT lob::kII

one o'clock

kIII

enum LOB_EXPORT lob::kIII

two o'clock

kInitialVelocity

enum LOB_EXPORT lob::kInitialVelocity

kIV

enum LOB_EXPORT lob::kIV

three o'clock

kIX

enum LOB_EXPORT lob::kIX

eight o'clock

kLatitude

enum LOB_EXPORT lob::kLatitude

kLength

enum LOB_EXPORT lob::kLength

kMachDragTable

enum LOB_EXPORT lob::kMachDragTable

kMass

enum LOB_EXPORT lob::kMass

kMaximumTime

enum LOB_EXPORT lob::kMaximumTime

kMeplatDiameter

enum LOB_EXPORT lob::kMeplatDiameter

kNoseLength

enum LOB_EXPORT lob::kNoseLength

kNotFormed

enum LOB_EXPORT lob::kNotFormed

kOgiveRtR

enum LOB_EXPORT lob::kOgiveRtR

kRangeAngle

enum LOB_EXPORT lob::kRangeAngle

kTailLength

enum LOB_EXPORT lob::kTailLength

kV

enum LOB_EXPORT lob::kV

four o'clock

kVI

enum LOB_EXPORT lob::kVI

five o'clock

kVII

enum LOB_EXPORT lob::kVII

six o'clock

kVIII

enum LOB_EXPORT lob::kVIII

seven o'clock

kWindHeading

enum LOB_EXPORT lob::kWindHeading

kX

enum LOB_EXPORT lob::kX

nine o'clock

kXI

enum LOB_EXPORT lob::kXI

ten o'clock

kXII

enum LOB_EXPORT lob::kXII

eleven o'clock

twelve o'clock

kZeroAngle

enum LOB_EXPORT lob::kZeroAngle

kZeroDistance

enum LOB_EXPORT lob::kZeroDistance