From: Joshua Nathaniel Pritikin <jpritikin@pobox.com>
Date: Fri, 20 Mar 2015 18:12:20 +0000 (-0400)
Subject: Add nlopt_isfinite
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=commitdiff_plain;h=54047c363c3dd8702ac341b012798c40e4d9bac7;p=nlopt.git

Add nlopt_isfinite
---

diff --git a/api/general.c b/api/general.c
index d97fcb5..dfe2010 100644
--- a/api/general.c
+++ b/api/general.c
@@ -34,6 +34,11 @@ int nlopt_isinf(double x) {
 #endif
 	  ;
 }
+
+int nlopt_isfinite(double x) {
+    return fabs(x) <= DBL_MAX;
+}
+
 /*************************************************************************/
 
 void NLOPT_STDCALL nlopt_version(int *major, int *minor, int *bugfix)
diff --git a/util/nlopt-util.h b/util/nlopt-util.h
index f460c2d..d20a8b1 100644
--- a/util/nlopt-util.h
+++ b/util/nlopt-util.h
@@ -46,6 +46,7 @@ extern "C"
 #endif /* __cplusplus */
 
 int nlopt_isinf(double x);
+int nlopt_isfinite(double x);
 
 /* re-entrant qsort */
 extern void nlopt_qsort_r(void *base_, size_t nmemb, size_t size, void *thunk,