X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fui%2Fgui%2Ffind-dialog.c;h=e617280739153a28c7445bf7b96568b2ac2c8f65;hb=0931dbb924b98df79989e2b4017f538f2ab6b23c;hp=01abc0c81644c2a7d6c8e07a83050bbc641f9428;hpb=5f1ab307d380c4d60410b911a272b6870b65c2d8;p=pspp

diff --git a/src/ui/gui/find-dialog.c b/src/ui/gui/find-dialog.c
index 01abc0c816..e617280739 100644
--- a/src/ui/gui/find-dialog.c
+++ b/src/ui/gui/find-dialog.c
@@ -49,13 +49,6 @@ which match particular strings */
 #define _(msgid) gettext (msgid)
 #define N_(msgid) msgid
 
-/* Some systems like MacOS do not have exp10 */
-#ifndef HAVE_EXP10
-inline static double exp10(double x)
-{
-  return pow(10.0, x);
-}
-#endif
 
 struct find_dialog
 {
@@ -459,6 +452,18 @@ struct regexp_comparator
   regex_t re;
 };
 
+/* Returns 10 raised to the power of X.
+   X must be a non-negative integer.  */
+static inline int
+int_pow10 (int x)
+{
+  int ret = 1;
+  assert (x >= 0);
+  while (x--)
+    ret *= 10;
+
+  return ret;
+}
 
 static bool
 value_compare (const struct comparator *cmptr,
@@ -467,7 +472,7 @@ value_compare (const struct comparator *cmptr,
   const struct numeric_comparator *nc = (const struct numeric_comparator *) cmptr;
   const struct fmt_spec *fs = var_get_print_format (cmptr->var);
 
-  double c = nearbyint (v->f * exp10 (fs->d));
+  double c = nearbyint (v->f * int_pow10 (fs->d));
 
   return c == nc->rounded_ref;
 }
@@ -599,7 +604,7 @@ numeric_comparator_create (const struct variable *var, const char *target)
 
   union value val;
   text_to_value (target, var, &val);
-  nc->rounded_ref = nearbyint (val.f * exp10 (fs->d));
+  nc->rounded_ref = nearbyint (val.f * int_pow10 (fs->d));
   value_destroy (&val, var_get_width (var));
 
   return cmptr;