X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Flibpspp%2Fmisc.h;h=fbd11eec3c32fc3f2536fbf6bc6ad4e80471e11c;hb=a8915a78655ea9ff6242ba6ba4ed4d83253a323d;hp=fea0e28e5e64a98b2037dd0dc97fc6adcfb299f0;hpb=338fb2a2e84df6427a2fdee6769421f57d5666d8;p=pspp

diff --git a/src/libpspp/misc.h b/src/libpspp/misc.h
index fea0e28e5e..fbd11eec3c 100644
--- a/src/libpspp/misc.h
+++ b/src/libpspp/misc.h
@@ -1,6 +1,5 @@
 /* PSPP - computes sample statistics.
    Copyright (C) 1997-9, 2000 Free Software Foundation, Inc.
-   Written by Ben Pfaff <blp@gnu.org>.
 
    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU General Public License as
@@ -27,17 +26,17 @@
 
 /* HUGE_VAL is traditionally defined as positive infinity, or
    alternatively, DBL_MAX. */
-#if !HAVE_ISINF
+#if !HAVE_ISINF && !defined isinf
 #define isinf(X) (fabs (X) == HUGE_VAL)
 #endif
 
 /* A Not a Number is not equal to itself. */
-#if !HAVE_ISNAN
+#if !HAVE_ISNAN && !defined isnan
 #define isnan(X) ((X) != (X))
 #endif
 
 /* Finite numbers are not infinities or NaNs. */
-#if !HAVE_FINITE
+#if !HAVE_FINITE && !defined finite
 #define finite(X) (!isinf (X) && !isnan (X))
 #elif HAVE_IEEEFP_H
 #include <ieeefp.h>		/* Declares finite() under Solaris. */