file sfmm/readme for overview of sfmm file sfmm/decomp.f for decomposes a matrix by Gaussian elimination and estimates the , condition of the matrix prec single file sfmm/solve.f for solution of linear system, A*x = b, do not use if (fmm/decomp) has , detected a singularity prec single file sfmm/quanc8.f for estimate the integral of f(x) in a finite interval, user provided , tolerance using an automatic adaptive routine based on the 8-panel , Newton-Cotes rule prec single file sfmm/rkf45.f for Fehlberg fourth-fifth order Runge-Kutta method prec single file sfmm/spline.f for compute the coefficients for a cubic interpolating spline prec single file sfmm/seval.f for evaluate a cubic interpolating spline prec single file sfmm/svd.f for determines the singular value decomposition, SVD, of a real , rectangular matrix, using Householder bidiagonalization and a variant , of the QR algorithm prec single file sfmm/fmin.f for an approximation to the point where a user function attains a minimum , on an interval is determined prec single file sfmm/zeroin.f for find a zero of a user function in an interval prec single .