X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Flanguage%2Fexpressions%2Fhelpers.c;h=85705098a2df44e2ad0e39da0764f75684bc9407;hb=ac1ed56cd86380bd71ce4ba4012b1c10229756a5;hp=a0f0c0fc735f394d5c17f4cc74347f2beb44e939;hpb=f5c108becd49d78f4898cab11352291f5689d24e;p=pspp-builds.git
diff --git a/src/language/expressions/helpers.c b/src/language/expressions/helpers.c
index a0f0c0fc..85705098 100644
--- a/src/language/expressions/helpers.c
+++ b/src/language/expressions/helpers.c
@@ -1,3 +1,19 @@
+/* PSPP - a program for statistical analysis.
+ Copyright (C) 2008 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 . */
+
#include
#include "helpers.h"
#include
@@ -131,15 +147,6 @@ enum date_unit
DATE_SECONDS
};
-#ifndef HAVE_TRUNC
-/* Return X rounded toward zero. */
-static double
-trunc (double x)
-{
- return x >= 0.0 ? floor (x) : ceil (x);
-}
-#endif /* !HAVE_TRUNC */
-
/* Stores in *UNIT the unit whose name is NAME.
Return success. */
static enum date_unit
@@ -582,14 +589,14 @@ ncdf_beta (double x, double a, double b, double lambda)
double
cdf_bvnor (double x0, double x1, double r)
{
- double z = x0 * x0 - 2. * r * x0 * x1 + x1 * x1;
+ double z = pow2 (x0) - 2. * r * x0 * x1 + pow2 (x1);
return exp (-z / (2. * (1 - r * r))) * (2. * M_PI * sqrt (1 - r * r));
}
double
idf_fdist (double P, double df1, double df2)
{
- double temp = gslextras_cdf_beta_Pinv (P, df1 / 2, df2 / 2);
+ double temp = gsl_cdf_beta_Pinv (P, df1 / 2, df2 / 2);
return temp * df2 / ((1. - temp) * df1);
}