file go/gaussq.f gams H2c for weights for Gaussian quadrature rules prec double file go/sgausq.f gams H2c for weights for Gaussian quadrature rules prec single file go/zeroin.f gams F1b for univariate zero-finding by Brent prec double file go/seroin.f gams F1b for univariate zero-finding by Brent prec single file go/fmin.f gams G1a1a for univariate minimization by Brent prec double file go/sfmin.f gams G1a1a for univariate minimization by Brent prec single file go/ibmblas gams D1a for IBM assembly language level-1 BLAS file go/lowess.f gams L8h for smoothing scatterplots by locally weighted regression by Bill Cleveland see r-project.org for latest source; netlib copy is frozen file go/fft.f gams J1b for complex FFT 1D, 2D, 3D prec single by Singleton 1968 file go/realtr.f gams J1a1 for real FFT prec single by Singleton 1968 file go/ffts.b gams J1b for complex FFT 1D, 2D, 3D lang Limbo by Singleton 1968, trans. Eric Grosse file go/ffts.m for header file for ffts.b file go/fft-olesen.tar.gz gams J1b for complex FFT 1D, 2D, 3D lang C, Fortran90 by Singleton 1968, trans. Mark Olesen, Michael Steffens file go/pfort title PFORT Verifier gams S2 for checking adherence to the 1966 standard. size 283 kB file go/underwood.f for sparse symmetric eigenproblems alg iterative block Lanczos by Richard Ray Underwood , retyped by Cheryl M. M. Carey prec double , actually REAL*8 but maybe your compiler can cope file go/underwood-out for sample output of go/underwood.f file go/accuracy .