Changeset 38151

Timestamp:

Apr 18, 2015, 6:21:14 AM (11 years ago)

Author:

eugene

Message:

correctly handle inf / nan in limits

File:

• branches/eam_branches/ipp-20150405/Ohana/src/opihi/lib.data/graphtools.c (modified) (4 diffs)

branches/eam_branches/ipp-20150405/Ohana/src/opihi/lib.data/graphtools.c

@@ -10 +10 @@
   if (xvec != NULL) {
     if (xvec->type == OPIHI_FLT) {
-      maxX = minX = xvec[0].elements.Flt[0];
-      for (i = 1; i < xvec[0].Nelements; i++) {
+      maxX = DBL_MIN;
+      minX = DBL_MAX;
+      for (i = 0; i < xvec[0].Nelements; i++) {
         if (!finite(xvec[0].elements.Flt[i])) continue;
         maxX = MAX (maxX, xvec[0].elements.Flt[i]);
@@ -19 +20 @@
       maxX = minX = xvec[0].elements.Int[0];
       for (i = 1; i < xvec[0].Nelements; i++) {
-        if (!finite(xvec[0].elements.Int[i])) continue;
         maxX = MAX (maxX, xvec[0].elements.Int[i]);
         minX = MIN (minX, xvec[0].elements.Int[i]);
@@ -33 +33 @@
   if (yvec != NULL) {
     if (yvec->type == OPIHI_FLT) {
-      maxY = minY = yvec[0].elements.Flt[0];
-      for (i = 1; i < yvec[0].Nelements; i++) {
+      maxY = DBL_MIN;
+      minY = DBL_MAX;
+      for (i = 0; i < yvec[0].Nelements; i++) {
         if (!finite(yvec[0].elements.Flt[i])) continue;
         maxY = MAX (maxY, yvec[0].elements.Flt[i]);
@@ -42 +43 @@
       maxY = minY = yvec[0].elements.Int[0];
       for (i = 1; i < yvec[0].Nelements; i++) {
-        if (!finite(yvec[0].elements.Int[i])) continue;
         maxY = MAX (maxY, yvec[0].elements.Int[i]);
         minY = MIN (minY, yvec[0].elements.Int[i]);