Changeset 922

Timestamp:

Oct 1, 2007, 8:22:52 PM (16 years ago)

Author:

Jari Häkkinen

Message:

Fixes #190. configure now checks for quite Nan. Check for this removed in test program.

Location:

trunk

Files:

• configure.ac (modified) (2 diffs)
• test/data_lookup_1d_test.cc (modified) (1 diff)

trunk/configure.ac

@@ -39 +39 @@
 AM_CONFIG_HEADER([config.h])
 AM_INIT_AUTOMAKE($PACKAGE_NAME,$PACKAGE_VERSION,$PACKAGE_BUGREPORT)
+
+# Set default programming language
+AC_LANG(C++)
 
 # Checks for programs.
@@ -83 +86 @@
 AC_SUBST(MATH_LIB)
 
+# check for quiet_NaN support in OS
+AC_MSG_CHECKING([for std::numeric_limits<>::quiet_NaN()])
+AC_COMPILE_IFELSE(
+  [AC_LANG_PROGRAM(
+    [#include <limits>
+     extern void f(double);],
+    [f(std::numeric_limits<double>::quiet_NaN())])],
+  [quiet_nan=yes],
+  [quiet_nan=no])
+AC_MSG_RESULT($quiet_nan)
+if test "${quiet_nan}" = "no" ; then
+  AC_MSG_FAILURE([
+    Support for quiet NAN required.
+    Yat will not work on this system!])
+fi
+
 # yat specific settings
 YAT_LIB="libyat.la"

trunk/test/data_lookup_1d_test.cc

@@ -53 +53 @@
   }
   
-
   *error << "Testing Lookup Classes" << std::endl;
   bool ok = true;
-
-  
-
-  if(!std::numeric_limits<double>::has_quiet_NaN) {
-    *error << "Error: a compiler without quiet_NaN is used!\n"
-     << "This will likely also mess up a lot of other yat tests\n"; 
-    ok=false;
-    return end_test(error,ok);
-  }
-
-
 
   *error << "Testing DataLookup1D" << std::endl;