Forth Code Index - Topic=single, sorted by format

Topic Format Author,
Last Name		 Author,
Other Name		 Date Title Description Comment Publication IPR Platform Size URL
  sort sort   sort sort         sort    
arithmetic article Jakeman Chris 1990-12 A high-level /MOD     Forthwrite author small   request copy
arithmetic article Preston Philip 1991-02 Multi-cell arithmetic     Forthwrite author     request copy
arithmetic article Avins Jerry 1998-11 High speed look-up using quadratic interpolation deviation from linear as 2 extra data points sin(0) to sin(90) at 9-bit precision needs only 5 values Forth Dimensions author ANS Forth small http://users.erols.com/jyavins/typek.htm
arithmetic article Eckert Brad 1999-01 High accuracy look-up using cubic interpolation Fits curve through 4 equally-spaced points sin(0) to sin(90) at 16-bit precision needs only 19 values Forth Dimensions publication ANS Forth small request copy
arithmetic article Pochin Dave 2000-06 Floating Decimal Fudge     Forthwrite author     http://www.fig-uk.org/articles/issue107.pdf
arithmetic article Jakeman Chris 2002-09 Linear Interpolation Uses binary arithmetic for speed Refined by newsgroup feedback Forthwrite author ANS Forth small http://www.fig-uk.org/articles/issue118.pdf
arithmetic distribution Zettel Leonard 1994-06 Arithmetic for big numbers Arbitrarily large number   FIG Archive GPL ANS Forth small ftp://ftp.forth.org/pub/Forth/Applications/ANS/big.zip
arithmetic distribution Ressler Mike 2001-01 Fast trigonometry functions Integer arithmetic to 1/10 degree   Quartus site author Quartus Forth 0.01 MB http://www.quartus.net/files/PalmOS/Forth/Contrib/
arithmetic source blocks Wenham Alan 1997-11 Floating Point Arithmetic for F83 Based on Ting's FP for F-PC with corrections Some assembler used FIG Archive author 80486 20 blocks ftp://ftp.taygeta.com/pub/Forth/Applications/F83/floating.blk
arithmetic source file Charlton Gordon 1993-06 Random integer generator 2 32-bit solutions from Numerical Recipes Better using UM* and UM* and best ever Forthwrite author ANS Forth small request copy
arithmetic source file Payne John 1993-08 Random integer generator 2 32-bit solutions from Numerical Recipes Simple using UMD* and better using UM/MOD, UM* and UM* Forthwrite author ANS Forth small request copy
arithmetic source file Myneni Krishna 1998- Benchmark - benchpin.4th Returns no. of primes <= N Recursion benchmark personal site original by A. van der Horst ANS Forth small http://ccreweb.org/software/kforth/kforth4.html
arithmetic source file Myneni Krishna 1998- Factoring arbitrarily large numbers Finds a factorization of numbers with reasonable "small" factors Eg: Is 97321087 divisible by 10? personal site original by M.Hendrix ANS Forth small http://ccreweb.org/software/kforth/kforth4.html
arithmetic source file Myneni Krishna 1998- Primes.4th Tests for a prime number   personal site non-author ANS Forth small http://ccreweb.org/software/kforth/kforth4.html
arithmetic source file Noble Julian 1998- Complex arithmetic lexicon Words for complex number arithmetic Assumes separate floating point stack personal site author ANS Forth small http://www.phys.virginia.edu/classes/551.jvn.fall01/complex.f
arithmetic source file Myneni Krishna 1998-12 Calculate mean and standard deviation of data points - stats.4th Requires matrix.4th   personal site author kForth & ANS Forth small http://ccreweb.org/software/kforth/kforth4.html
arithmetic source file Myneni Krishna 1998-12 Fit non-linear function through data points with least-squares error - curvefit.4th Requires matrix.4th   personal site author kForth & ANS Forth small http://ccreweb.org/software/kforth/kforth4.html
arithmetic source file Eckert Brad 1999-01 High accuracy look-up using cubic interpolation Fits curve through 4 equally-spaced points sin(0) to sin(90) at 16-bit precision needs only 19 values Forth Dimensions publication ANS Forth small http://www.tinyboot.com/cubic.txt
arithmetic source file Eckert Brad 1999-11 Fast-Fourier Transform (FFT) Uses integer arithmetic   personal site author Win32Forth small http://www.tinyboot.com/fft.txt
arithmetic source file Myneni Krishna 2000-10 Fit a quadratic curve through data points - pfex.4th Requires matrix.4th and polyfit.4th   personal site author kForth small http://ccreweb.org/software/kforth/kforth4.html
arithmetic source file Myneni Krishna 2000-10 Fit a straight line through data points - linefit.4th Requires matrix.4th and polyfit.4th   personal site author kForth small http://ccreweb.org/software/kforth/kforth4.html
arithmetic source file Myneni Krishna 2001- Matrix inversion and manipulation - matrix.4th Integer and floating point matrix manipulation routines for kForth   personal site author kForth small http://ccreweb.org/software/kforth/kforth4.html
arithmetic source file Myneni Krishna 2001- Read and write matrix data from file - matfiles.4th Requires matrix.4th, strings.4th, files.4th   personal site GPL kForth & ANS Forth small http://ccreweb.org/software/kforth/kforth4.html
arithmetic source file Noble Julian 2001- Converting units of measure on input   Small but important personal site author ANS Forth small http://www.phys.virginia.edu/classes/551.jvn.fall01/UNITS1.F
arithmetic source file Noble Julian 2001- Ftran formula translator Calculates expressions like f" a=b*c-3.17e-5/tanh(w)+abs(x)" Includes separate documentation personal site author ANS Forth   http://www.phys.virginia.edu/classes/551.jvn.fall01/ftran201.htm
arithmetic source file Noble Julian 2001- Monte Carlo Techniques Includes simulated annealing   personal site author ANS Forth small http://www.phys.virginia.edu/classes/551.jvn.fall01/MONTE.HTM
arithmetic source file Noble Julian 2001- Numerical Quadrature Routines     personal site author ANS Forth small http://www.phys.virginia.edu/classes/551.jvn.fall01/NUM_QUAD.HTM
arithmetic source file Noble Julian 2001- Roots of real and complex polynomials Laguerre algorithm   personal site author ANS Forth small http://www.phys.virginia.edu/classes/551.jvn.fall01/ROOTS.HTM
arithmetic source file Noble Julian 2001- Solution of Differential Equations 4 methods included   personal site author ANS Forth small http://www.phys.virginia.edu/classes/551.jvn.fall01/diffeq.htm
arithmetic source file Noble Julian 2001- Solution of Linear Equations Includes tridiagonal matrices by LU method and Gaussian elimination with row pivoting as described in Noble -- "Scientific Forth: A Modern Language for Scientific Computing" personal site author ANS Forth small http://www.phys.virginia.edu/classes/551.jvn.fall01/matrix.htm
arithmetic source file Noble Julian 2001- Tools for showing binary operations, eg 3 5 XOR Print in binary, also print operation as for classroom arithmetic   personal site author ANS Forth small http://www.phys.virginia.edu/classes/551.jvn.fall01/binarith.f
arithmetic source file Myneni Krishna 2001-03 Calculate derivative of data points - derivative.4th Requires matrix.4th   personal site author kForth small http://ccreweb.org/software/kforth/kforth4.html
arithmetic source file Myneni Krishna 2001-04 Array tools Toolset for one- and two-dimensional arrays in ANS Forth   personal site original by J.Noble kForth & ANS Forth small http://ccreweb.org/software/kforth/kforth4.html
arithmetic source file Myneni Krishna 2001-07 Random floating point generator - noise.4th     personal site author kForth & ANS Forth small http://ccreweb.org/software/kforth/kforth4.html
arithmetic source file Myneni Krishna 2001-07 Save results to test randomness - testrandom.4th Requires matrix.4th and noise.4th   personal site author kForth & ANS Forth small http://ccreweb.org/software/kforth/kforth4.html
arithmetic source file Myneni Krishna 2001-10 Calculate Fourier transform of 1-dimensional data - fft1d.4th     personal site author kForth & ANS Forth small http://ccreweb.org/software/kforth/kforth4.html
arithmetic source file Myneni Krishna 2002-01 Build a histogram for data points Requires matrix.4th   personal site GPL kForth & ANS Forth small http://ccreweb.org/software/kforth/kforth4.html
arithmetic source file Myneni Krishna 2002-01 Fit double gaussian function through data points - gfit.4th Requires matrix.4th, curvefit.4th & func_2gauss.4th One word definition! personal site author kForth & ANS Forth small http://ccreweb.org/software/kforth/kforth4.html
arithmetic source file Myneni Krishna 2002-01 Fit polynomial through data points - polyfit.4th Integer and floating point matrix manipulation routines for kForth One word definition! personal site author kForth & ANS Forth small http://ccreweb.org/software/kforth/kforth4.html
arithmetic source file Myneni Krishna 2002-02 Roots of quadratic polynomial a*x^2 + b*x + c = 0 One word definition! personal site author kForth & ANS Forth small http://ccreweb.org/software/kforth/kforth4.html
arithmetic source file Myneni Krishna 2002-04 Complex floating-point matrix words - zmatrix.4th Requires matrix.4th & comlex.4th Assumes separate floating point stack personal site author kForth & ANS Forth small http://ccreweb.org/software/kforth/kforth4.html
arithmetic source file Myneni Krishna 2002-05 Complex arithmetic lexicon - complex.4th Words for complex number arithmetic Assumes separate floating point stack personal site original by J.Noble kForth & ANS Forth small http://ccreweb.org/software/kforth/kforth4.html
arithmetic source file Eckert Brad unknown Random integer generator Based on Montgomery, for 16 or 32-bit Forths Simple, fast using just UM* personal site author ANS Forth small http://www.tinyboot.com/rng.txt
arithmetic source file Eckert Brad unknown Simple look-up using linear interpolation Example is sin quadrant in 16 data points Add : U2/ 1 rshift ; with an ANS Forth personal site author ANS Forth small http://www.tinyboot.com/linear.txt
arithmetic source file Hendrix Marcel unknown Factoring arbitrarily large numbers Finds a factorization of numbers with reasonable "small" factors Eg: Is 97321087 divisible by 10? personal site author ANS Forth   http://home.iaehv.nl/users/mhx/horst.frt
arithmetic source file Myneni Krishna unknown Calculate a double gaussian function - func_2gauss.4th     personal site author kForth & ANS Forth small http://ccreweb.org/software/kforth/kforth4.html
arithmetic source file Myneni Krishna unknown Calculate Fourier transform of a step input - stepfft.4th Requires matrix.4th and fft1d.4th   personal site author kForth & ANS Forth small http://ccreweb.org/software/kforth/kforth4.html
arithmetic tutorial Johnson   2001-07 Greatest common denominator (GCD) in ColorForth Euclid's recursive algorithm finds the GCD of two numbers Insight into programming ColorForth personal site author ColorForth   http://kristopherjohnson.net/cgi-bin/twiki/view/Main/ColorForthGcd

Unless otherwise noted all comments are by Chris Jakeman

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