openswmm::xsect Namespace Reference

Functions
double	getAofY (const XSectParams &xs, double y)
double	getRofY (const XSectParams &xs, double y)
double	getWofY (const XSectParams &xs, double y)
double	getYofA (const XSectParams &xs, double a)
double	getSofA (const XSectParams &xs, double a)
double	getRofA (const XSectParams &xs, double a)
double	getdSdA (const XSectParams &xs, double a)
double	getAofS (const XSectParams &xs, double s_factor)
double	getAmax (const XSectParams &xs)
double	getYcrit (const XSectParams &xs, double q)
bool	isOpen (int type)
int	setParams (XSectParams &xs, int type, const double p[], double ucf)
double	lookup (double x, const double *table, int n_items)
double	invLookup (double y, const double *table, int n_items)
int	locate (double y, const double *table, int n)
double	getYcircular (double alpha)
double	getScircular (double alpha)
double	lookup_exact (double x, const double *t, int n) noexcept
	Bit-exact transliteration of legacy xsect.c:lookup().
double	lookup_fast (double x, const double *t, int n) noexcept
	Reciprocal-multiply lookup (fast, NOT bit-exact — see §6).
double	norm_x (double depth, double param) noexcept
double	norm_lookup (double depth, double param, const double *t, int n) noexcept
	Mode-aware normalize + table lookup (bit-exact by default; §6 fast if opted in).

Function Documentation

getAmax()

double openswmm::xsect::getAmax

(

const XSectParams &

xs

)

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getAofS()

double openswmm::xsect::getAofS	(	const XSectParams &	xs,
		double	s_factor )

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getAofY()

double openswmm::xsect::getAofY	(	const XSectParams &	xs,
		double	y )

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getdSdA()

double openswmm::xsect::getdSdA	(	const XSectParams &	xs,
		double	a )

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getRofA()

double openswmm::xsect::getRofA	(	const XSectParams &	xs,
		double	a )

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getRofY()

double openswmm::xsect::getRofY	(	const XSectParams &	xs,
		double	y )

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getScircular()

double openswmm::xsect::getScircular

(

double

alpha

)

getSofA()

double openswmm::xsect::getSofA	(	const XSectParams &	xs,
		double	a )

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getWofY()

double openswmm::xsect::getWofY	(	const XSectParams &	xs,
		double	y )

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getYcircular()

double openswmm::xsect::getYcircular

(

double

alpha

)

getYcrit()

double openswmm::xsect::getYcrit	(	const XSectParams &	xs,
		double	q )

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getYofA()

double openswmm::xsect::getYofA	(	const XSectParams &	xs,
		double	a )

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invLookup()

double openswmm::xsect::invLookup	(	double	y,
		const double *	table,
		int	n_items )

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isOpen()

bool openswmm::xsect::isOpen

(

int

type

)

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locate()

int openswmm::xsect::locate	(	double	y,
		const double *	table,
		int	n )

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lookup()

double openswmm::xsect::lookup	(	double	x,
		const double *	table,
		int	n_items )

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lookup_exact()

double openswmm::xsect::lookup_exact ( double x, const double * t, int n )

inlinenoexcept

Bit-exact transliteration of legacy xsect.c:lookup().

Parameters

x	Normalized independent variable (depth/y_full or area/a_full), finite and in [0, 1] (see file-level preconditions).
t	Geometry table (n equally spaced entries on [0, 1]).
n	Logical entry count (== legacy nItems).

Returns

Interpolated dependent value; ULP==0 vs legacy lookup().

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lookup_fast()

double openswmm::xsect::lookup_fast ( double x, const double * t, int n )

inlinenoexcept

Reciprocal-multiply lookup (fast, NOT bit-exact — see §6).

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norm_lookup()

double openswmm::xsect::norm_lookup ( double depth, double param, const double * t, int n )

inlinenoexcept

Mode-aware normalize + table lookup (bit-exact by default; §6 fast if opted in).

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norm_x()

double openswmm::xsect::norm_x ( double depth, double param )

inlinenoexcept

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setParams()

int openswmm::xsect::setParams	(	XSectParams &	xs,
		int	type,
		const double	p[],
		double	ucf )

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