[goffice] compilation: we can do without finitel.

[Morten Welinder <mortenw src gnome org>]

commit 65ffa6415d47beb5109435b9f1ac4ac2505df8c7
Author: Morten Welinder <terra gnome org>
Date:   Sun May 16 17:12:34 2010 -0400

    compilation: we can do without finitel.

 configure.in           |    6 +++---
 goffice/math/go-math.c |   10 ++++++++++
 goffice/math/go-math.h |    3 +--
 3 files changed, 14 insertions(+), 5 deletions(-)
---
diff --git a/configure.in b/configure.in
index 412e93c..46416ac 100644
--- a/configure.in
+++ b/configure.in
@@ -516,7 +516,7 @@ if test "x$with_long_double" = "xyes"; then
         ss_dir="/opt/SUNWspro"
     fi
     sunmathlinkstuff="-L$ss_dir/lib -R$ss_dir/lib -lsunmath"
-    for ldfunc in fabsl logl log10l ceill floorl powl isnanl finitel; do
+    for ldfunc in fabsl logl log10l ceill floorl powl isnanl; do
 	    AC_CHECK_FUNC($ldfunc,
 		  ,
 		  [AC_CHECK_LIB(m,
@@ -551,6 +551,7 @@ if test "x$with_long_double" = "xyes"; then
     GOFFICE_CHECK_FUNC(modfl)
     GOFFICE_CHECK_FUNC(ldexpl)
     GOFFICE_CHECK_FUNC(frexpl)
+    AC_CHECK_FUNCS(finitel)
 
     AC_CHECK_FUNCS(strtold)
     if test "$ac_cv_func_strtold" = yes; then
@@ -561,8 +562,7 @@ if test "x$with_long_double" = "xyes"; then
 			const char *s = "+3.1415e+0";
 			char *theend;
 			long double res = strtold (s, &theend);
-			return !(*theend == 0 && finitel (res) &&
-				 res >= 3.14 && res <= 3.15);
+			return !(*theend == 0 && res >= 3.14 && res <= 3.15);
 		}],
 		[AC_MSG_RESULT(no)],
 		[AC_MSG_RESULT(yes)
diff --git a/goffice/math/go-math.c b/goffice/math/go-math.c
index 5462135..879b108 100644
--- a/goffice/math/go-math.c
+++ b/goffice/math/go-math.c
@@ -486,6 +486,16 @@ long double go_nanl;
 long double go_pinfl;
 long double go_ninfl;
 
+int
+go_finitel (long double x)
+{
+#ifdef HAVE_FINITEL
+	return finitel (x);
+#else
+	return fabs (x) < go_pinfl;
+#endif
+}
+
 long double
 go_pow2l (int n)
 {
diff --git a/goffice/math/go-math.h b/goffice/math/go-math.h
index 01e0852..1e89dea 100644
--- a/goffice/math/go-math.h
+++ b/goffice/math/go-math.h
@@ -72,7 +72,7 @@ long double go_fake_ceill (long double x);
 long double go_fake_roundl (long double x);
 long double go_fake_truncl (long double x);
 
-#define go_finitel finitel
+int go_finitel (long double x);
 long double go_pow2l (int n);
 long double go_pow10l (int n);
 
@@ -99,7 +99,6 @@ long double modfl (long double x, long double *iptr);
 
 #ifdef _MSC_VER
 #define isnan _isnan
-#define finite _finite
 #endif
 
 /* ------------------------------------------------------------------------- */