Fix signed integer overflow.

src/Common/Math.hpp

@@ -198,22 +198,22 @@ namespace sw
 
 	// Bit-cast of a floating-point value into a two's complement integer representation.
 	// This makes floating-point values comparable as integers.
-	inline int32_t float_as_twos_complement(float f)
-	{
-		// IEEE-754 floating-point numbers are sorted by magnitude in the same way as integers,
-		// except negative values are like one's complement integers. Convert them to two's complement.
-		int32_t i = bit_cast<int32_t>(f);
-		return (i < 0) ? (0x7FFFFFFF - i) : i;
-	}
-
-	// 'Safe' clamping operation which always returns a value between min and max (inclusive).
-	inline float clamp_s(float x, float min, float max)
-	{
-		// NaN values can't be compared directly
-		if(float_as_twos_complement(x) < float_as_twos_complement(min)) x = min;
-		if(float_as_twos_complement(x) > float_as_twos_complement(max)) x = max;
-
-		return x;
+	inline int32_t float_as_twos_complement(float f)
+	{
+		// IEEE-754 floating-point numbers are sorted by magnitude in the same way as integers,
+		// except negative values are like one's complement integers. Convert them to two's complement.
+		int32_t i = bit_cast<int32_t>(f);
+		return (i < 0) ? (0x7FFFFFFFu - i) : i;
+	}
+
+	// 'Safe' clamping operation which always returns a value between min and max (inclusive).
+	inline float clamp_s(float x, float min, float max)
+	{
+		// NaN values can't be compared directly
+		if(float_as_twos_complement(x) < float_as_twos_complement(min)) x = min;
+		if(float_as_twos_complement(x) > float_as_twos_complement(max)) x = max;
+
+		return x;
 	}
 
 	inline int ceilPow2(int x)

src/System/Math.hpp

@@ -198,22 +198,22 @@ namespace sw
 
 	// Bit-cast of a floating-point value into a two's complement integer representation.
 	// This makes floating-point values comparable as integers.
-	inline int32_t float_as_twos_complement(float f)
-	{
-		// IEEE-754 floating-point numbers are sorted by magnitude in the same way as integers,
-		// except negative values are like one's complement integers. Convert them to two's complement.
-		int32_t i = bit_cast<int32_t>(f);
-		return (i < 0) ? (0x7FFFFFFF - i) : i;
-	}
-
-	// 'Safe' clamping operation which always returns a value between min and max (inclusive).
-	inline float clamp_s(float x, float min, float max)
-	{
-		// NaN values can't be compared directly
-		if(float_as_twos_complement(x) < float_as_twos_complement(min)) x = min;
-		if(float_as_twos_complement(x) > float_as_twos_complement(max)) x = max;
-
-		return x;
+	inline int32_t float_as_twos_complement(float f)
+	{
+		// IEEE-754 floating-point numbers are sorted by magnitude in the same way as integers,
+		// except negative values are like one's complement integers. Convert them to two's complement.
+		int32_t i = bit_cast<int32_t>(f);
+		return (i < 0) ? (0x7FFFFFFFu - i) : i;
+	}
+
+	// 'Safe' clamping operation which always returns a value between min and max (inclusive).
+	inline float clamp_s(float x, float min, float max)
+	{
+		// NaN values can't be compared directly
+		if(float_as_twos_complement(x) < float_as_twos_complement(min)) x = min;
+		if(float_as_twos_complement(x) > float_as_twos_complement(max)) x = max;
+
+		return x;
 	}
 
 	inline int ceilPow2(int x)