X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Flanguage%2Fexpressions%2Fhelpers.h;h=84ba8616bd02aa962957ecc162952cc48260d7a7;hb=25bc101890a62f780da3a7c6af71ecc3ce09fdb1;hp=ef4fdadd4d310c2842fbaba74e0cfec2ef335b91;hpb=2be9bee9da6a2ce27715e58128569594319abfa2;p=pspp diff --git a/src/language/expressions/helpers.h b/src/language/expressions/helpers.h index ef4fdadd4d..84ba8616bd 100644 --- a/src/language/expressions/helpers.h +++ b/src/language/expressions/helpers.h @@ -1,3 +1,21 @@ +/* +PSPP - a program for statistical analysis. +Copyright (C) 2017 Free Software Foundation, Inc. + +This program is free software: you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation, either version 3 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program. If not, see . +*/ + #ifndef EXPRESSIONS_HELPERS_H #define EXPRESSIONS_HELPERS_H @@ -81,4 +99,15 @@ double cdf_bvnor (double x0, double x1, double r); double idf_fdist (double P, double a, double b); +double round_nearest (double x, double mult, double fuzzbits); +double round_zero (double x, double mult, double fuzzbits); + +struct substring replace_string (struct expression *, + struct substring haystack, + struct substring needle, + struct substring replacement, + double n); + +double median (double *, size_t n); + #endif /* expressions/helpers.h */