In generated shaders, output +INF and -INF as largest single precision floating point number.

src/common/version.h

 #define MAJOR_VERSION 1
 #define MINOR_VERSION 0
 #define BUILD_VERSION 0
-#define BUILD_REVISION 1642
+#define BUILD_REVISION 1644
 
 #define STRINGIFY(x) #x
 #define MACRO_STRINGIFY(x) STRINGIFY(x)

src/compiler/Intermediate.cpp

@@ -1162,7 +1162,7 @@ TIntermTyped* TIntermConstantUnion::fold(TOperator op, TIntermTyped* constantNod
             case EbtFloat:
                 if (rightUnionArray[i] == 0.0f) {
                     infoSink.info.message(EPrefixWarning, "Divide by zero error during constant folding", getLine());
-                    tempConstArray[i].setFConst(FLT_MAX);
+                    tempConstArray[i].setFConst(unionArray[i].getFConst() < 0 ? -FLT_MAX : FLT_MAX);
                 } else
                     tempConstArray[i].setFConst(unionArray[i].getFConst() / rightUnionArray[i].getFConst());
                 break;

src/compiler/OutputGLSLBase.cpp

@@ -7,6 +7,8 @@
 #include "compiler/OutputGLSLBase.h"
 #include "compiler/debug.h"
 
+#include <limits.h>
+
 namespace
 {
 TString arrayBrackets(const TType& type)
@@ -155,7 +157,7 @@ const ConstantUnion* TOutputGLSLBase::writeConstantUnion(const TType& type,
         {
             switch (pConstUnion->getType())
             {
-                case EbtFloat: out << pConstUnion->getFConst(); break;
+                case EbtFloat: out << std::min(FLT_MAX, std::max(-FLT_MAX, pConstUnion->getFConst())); break;
                 case EbtInt: out << pConstUnion->getIConst(); break;
                 case EbtBool: out << pConstUnion->getBConst(); break;
                 default: UNREACHABLE();

src/compiler/OutputHLSL.cpp

@@ -13,6 +13,7 @@
 #include "compiler/SearchSymbol.h"
 #include "compiler/DetectDiscontinuity.h"
 
+#include <limits.h>
 #include <stdio.h>
 #include <algorithm>
 
@@ -2565,7 +2566,7 @@ const ConstantUnion *OutputHLSL::writeConstantUnion(const TType &type, const Con
         {
             switch (constUnion->getType())
             {
-              case EbtFloat: out << constUnion->getFConst(); break;
+              case EbtFloat: out << std::min(FLT_MAX, std::max(-FLT_MAX, constUnion->getFConst())); break;
               case EbtInt:   out << constUnion->getIConst(); break;
               case EbtBool:  out << constUnion->getBConst(); break;
               default: UNREACHABLE();