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file readme for overview of sfmm file decomp.f decomp.f plus dependencies for decomposes a matrix by Gaussian elimination and estimates the , condition of the matrix prec single file solve.f for solution of linear system, A*x = b, do not use if (fmm/decomp) has , detected a singularity prec single file 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 rkf45.f rkf45.f plus dependencies for Fehlberg fourth-fifth order Runge-Kutta method prec single file spline.f for compute the coefficients for a cubic interpolating spline prec single file seval.f for evaluate a cubic interpolating spline prec single file 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 fmin.f for an approximation to the point where a user function attains a minimum , on an interval is determined prec single file zeroin.f for find a zero of a user function in an interval prec single