use inexactequal for float comparisons

Author: intergalacticspacehighway

yoga/YGNodeStyle.h

@@ -8,7 +8,7 @@
 #pragma once
 
 #include <stddef.h>
-
+#include <cstdint>
 #include <yoga/YGNode.h>
 #include <yoga/YGValue.h>
 

yoga/algorithm/grid/TrackSizing.h

@@ -7,6 +7,7 @@
 #include <yoga/algorithm/BoundAxis.h>
 #include <yoga/algorithm/CalculateLayout.h>
 #include <yoga/algorithm/grid/GridLayout.h>
+#include <yoga/numeric/Comparison.h>
 #include <yoga/style/StyleSizeLength.h>
 #include <set>
 
@@ -263,7 +264,7 @@ struct TrackSizing {
     std::set<GridTrackSize*> frozenTracks;
 
     // 2.2. Distribute space up to limits
-    while (frozenTracks.size() < affectedTracks.size() && spaceToDistribute > 0.0f) {
+    while (frozenTracks.size() < affectedTracks.size() && spaceToDistribute > 0.0f && !yoga::inexactEquals(spaceToDistribute, 0.0f)) {
       auto unfrozenTrackCount = affectedTracks.size() - frozenTracks.size();
       auto distributionPerTrack = spaceToDistribute / unfrozenTrackCount;
 
@@ -292,7 +293,7 @@ struct TrackSizing {
     // https://github.com/w3c/csswg-drafts/issues/3648
 
     // 2.4. Distribute space beyond limits
-    if (spaceToDistribute > 0.0f) {
+    if (spaceToDistribute > 0.0f && !yoga::inexactEquals(spaceToDistribute, 0.0f)) {
       std::vector<GridTrackSize*> tracksToGrowBeyondLimits;
       if (sizeContributionPhase == SpaceDistributionPhase::AccommodateMinimumContribution) {
         for (auto& track: affectedTracks) {
@@ -316,7 +317,7 @@ struct TrackSizing {
       }
 
       frozenTracks.clear();
-      while (spaceToDistribute > 0.0f && tracksToGrowBeyondLimits.size() > 0) {
+      while (spaceToDistribute > 0.0f && !yoga::inexactEquals(spaceToDistribute, 0.0f) && tracksToGrowBeyondLimits.size() > 0) {
         auto unfrozenTrackCount = tracksToGrowBeyondLimits.size() - frozenTracks.size();
         auto distributionPerTrack = spaceToDistribute / unfrozenTrackCount;
         for (auto& track: tracksToGrowBeyondLimits) {
@@ -371,7 +372,7 @@ struct TrackSizing {
     // then each item-incurred increase will be zero."
 
     // 2.2. Distribute space up to limits
-    while (frozenTracks.size() < affectedTracks.size() && spaceToDistribute > 0.0f) {
+    while (frozenTracks.size() < affectedTracks.size() && spaceToDistribute > 0.0f && !yoga::inexactEquals(spaceToDistribute, 0.0f)) {
       auto unfrozenTrackCount = affectedTracks.size() - frozenTracks.size();
       auto distributionPerTrack = spaceToDistribute / unfrozenTrackCount;
 
@@ -409,15 +410,15 @@ struct TrackSizing {
     // https://github.com/w3c/csswg-drafts/issues/3648
 
     // 2.4. Distribute space beyond limits
-    if (spaceToDistribute > 0.0f) {
+    if (spaceToDistribute > 0.0f && !yoga::inexactEquals(spaceToDistribute, 0.0f)) {
       std::vector<GridTrackSize*> tracksToGrowBeyondLimits;
         for (auto& track: affectedTracks) {
           if (isIntrinsicSizingFunction(track->maxSizingFunction, containerSize)) {
             tracksToGrowBeyondLimits.push_back(track);
           }
         }
         frozenTracks.clear();
-        while (spaceToDistribute > 0.0f && tracksToGrowBeyondLimits.size() > 0) {
+        while (spaceToDistribute > 0.0f && !yoga::inexactEquals(spaceToDistribute, 0.0f) && tracksToGrowBeyondLimits.size() > 0) {
           // TODO: handle fit-content check here
           auto unfrozenTrackCount = tracksToGrowBeyondLimits.size() - frozenTracks.size();
           auto distributionPerTrack = spaceToDistribute / unfrozenTrackCount;
@@ -518,7 +519,7 @@ struct TrackSizing {
         std::set<GridTrackSize*> frozenTracks;
         auto extraSpace = freeSpace;
 
-        while (frozenTracks.size() < tracks.size() && extraSpace > 0.0f) {
+        while (frozenTracks.size() < tracks.size() && extraSpace > 0.0f && !yoga::inexactEquals(extraSpace, 0.0f)) {
           auto unfrozenTrackCount = tracks.size() - frozenTracks.size();
           auto distributionPerTrack = extraSpace / unfrozenTrackCount;
 
@@ -656,7 +657,7 @@ struct TrackSizing {
     }
 
     // If the free space is zero or if sizing the grid container under a min-content constraint:
-    if (freeSpace == 0.0f) {
+    if (yoga::inexactEquals(freeSpace, 0.0f)) {
       usedFlexFraction = 0.0f;
     } 
     // Otherwise, if the free space is a definite length: