MATH general subroutines

BESSEL

Evaluate Bessel function J, Y, I, K of integer order. (bessel.c)

bessi

Evaluate Modified Bessel function of integer order. (bessel.c)

bessj

Evaluate Bessel function of first kind of integer order. (bessel.c)

bessk

Evaluate Modified Bessel function Kv(x) of integer order. (bessel.c)

bessy

Evaluate Bessel function second kind and of integer order. (bessel.c)

CONVOLVE

Convolves data with two dimensional convolution function. Takes care of BLANKs. (convolve.c)

DCDDBLE

Decodes a string of characters into doubles. (herinp.c)

DCDINT

Decodes a string of characters into integers. (herinp.c)

DCDREAL

Decodes a string of characters into reals. (herinp.c)

DYDX

Determine derivative of a mathematical expression. (dydx.src)

ELLIPSE

Describes the ellipse fitting routines. (ellipse.c)

ELLIPSE1

Routine which gives an initial estimate for an ellipse to N points in the array X,Y. (ellipse1.c)

ELLIPSE2

Fits an ellipse to a set of X and Y positions. (ellipse.c)

FIE

Describes the routines FIEINI (parses an input string which contains mathematical expression), FIEDO (which does the actual calculations) and FIEDUMP (which dumps the code generated by FIEINI). (fie.c)

FIECLR

Clears code previous generated by FIEINI. (fie.c)

FIEDO

FIEDO evaluates the code generated by FIEINI. (fie.c)

FIEDUMP

Display the code generated by FININI on stdin. (fie.c)

FIEINI

Decodes a string containing a mathematical expression for FIEDO. (fie.c)

FIEPAR

Defines the parameter names for the next call to FIEINI. (fie.c)

FITGAUSS2D

Fit 2d-gaussian to data in a box (fitgauss2d.c)

GASDEV

Generating gaussian random deviates. (gasdev.f)

GAUEST

Searches for gaussian components in a profile. (gauest.c)

GAUESTD

Searches for gaussian components in a profile. (gauestd.c)

HERINP

Decodes a string of characters into reals, integers, logicals, characters or bytes. (herinp.c)

INVMAT

INVMAT is a routine for inverting a matrix. The algorithm used is the Gauss-Jordan algorithm described in Stoer, Numerische Matematik, 1 Teil. (invmat.shl)

IRAN

Generating random integer. (iran.f)

LSQFIT

LSQFIT is a routine for making a least-squares fit of a function to a set of data points. The method used is described in: Marquardt, J.Soc.Ind.Appl.Math. 11, 431 (1963). This method is a mixture of the steepest descent method and the Taylor method. (lsqfit.c)

LSQFITD

LSQFITD is a routine for making a least-squares fit of a function to a set of data points. The method used is described in: Marquardt, J.Soc.Ind.Appl.Math. 11, 431 (1963). This method is a mixture of the steepest descent method and the Taylor method. (lsqfitd.c)

MOMS

Given an data array, return (depending on mode) sum, mean, variance, standard deviation, absolute deviation, skewness, kurtosis or median. (moms.c)

QCNVL1

Auxiliary routine for CONVOLVE. (qcnvl1.src)

qcnvl2

Auxiliary routine for CONVOLVE. (qcnvl2.src)

RAN

Returns a uniform random deviate between 0.0 and 1.0. (ran.c)

RANDEV

Generating random deviates from various distributions. (randev.f)

RANK

Describes the available ranking routines. (rank.c)

RANKDA

Indexes a double precision array in ascending order. (rank.c)

RANKDD

Indexes a double precision array in descending order. (rank.c)

RANKIA

Indexes an integer array in ascending order. (rank.c)

RANKID

Indexes an integer array in descending order. (rank.c)

RANKRA

Indexes a real array in ascending order. (rank.c)

RANKRD

Indexes a real array in descending order. (rank.c)

SKYFIT

SKYFIT is a routine for determining the sky-projection parameters. It takes a set of grid positions and a set of sky coordinates to fit the parameters. The method is a mixture of the steepest descent method and the Taylor method. (skyfit.c)

Spline interpolation routines.

(spline.c)

spline1

1D cubic spline interpolation. (spline.c)