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Diffstat (limited to 'src/jtutil/README')
| -rw-r--r-- | src/jtutil/README | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/jtutil/README b/src/jtutil/README index 102e1b1..1b6ea5e 100644 --- a/src/jtutil/README +++ b/src/jtutil/README @@ -13,12 +13,15 @@ linear_map<fp> is a template class (templated on the floating-point type) representing a linear map between a contiguous interval of integers, and floating-point numbers. + cpm_map<fp> is a template class (templated on the floating-point type) representing a mapping from the integers to the integers, of the form i --> constant +/- i . (The name abbreviates "Constant Plus or Minus MAP".) + fuzzy<fp> + (declarations in "util.hh") is a template class (templated on the floating-point type) providing fuzzy arithmetic, to try to paper over some of the effects of floating-point rounding errors. For example, @@ -30,8 +33,20 @@ fuzzy<fp> and have the loop execute as one would naievly expect, even if rounding errors cause the final value of \code{x} to be 0.9999999999999999 or 1.000000000000001 or suchlike. + round<fp> + (declarations in "util.hh") is a template class (templated on the floating-point type) to do machine-independent rounding of floating point values +norm<fp> + (declarations in "util.hh") + is a template class (templated on the floating-point type) + to the compute 2-, rms-, and/or infinity-norms of a set of + numbers + +miscfp.cc + (declarations in "util.hh") + contains various misc floating-point routines + There are also a number of test drivers in the files test_*.cc . |