810 	int32 mantissa =  halfValue		   & 0x000003ff;  in DNG_HalfToFloat()  local
815 		if (mantissa == 0)  in DNG_HalfToFloat()
829 			while (!(mantissa & 0x00000400))  in DNG_HalfToFloat()
831 				mantissa <<= 1;  in DNG_HalfToFloat()
836 			mantissa &= ~0x00000400;  in DNG_HalfToFloat()
845 		if (mantissa == 0)  in DNG_HalfToFloat()
868 	mantissa <<= 13;  in DNG_HalfToFloat()
872 	return (uint32) ((sign << 31) | (exponent << 23) | mantissa);  in DNG_HalfToFloat()
883 	int32 mantissa =   i		& 0x007fffff;  in DNG_FloatToHalf()  local
899 		mantissa = (mantissa | 0x00800000) >> (1 - exponent);  in DNG_FloatToHalf()
908 		if (mantissa &  0x00001000)  in DNG_FloatToHalf()
909 			mantissa += 0x00002000;  in DNG_FloatToHalf()
913 		return (uint16)(sign | (mantissa >> 13));  in DNG_FloatToHalf()
920 		if (mantissa == 0)  in DNG_FloatToHalf()
937 			return (uint16)(sign | 0x7c00 | (mantissa >> 13));  in DNG_FloatToHalf()
948 	if (mantissa & 0x00001000)  in DNG_FloatToHalf()
951 		mantissa += 0x00002000;  in DNG_FloatToHalf()
953 		if (mantissa & 0x00800000)  in DNG_FloatToHalf()
955 			mantissa =  0;		// overflow in significand,  in DNG_FloatToHalf()
970 	return (uint16)(sign | (exponent << 10) | (mantissa >> 13));  in DNG_FloatToHalf()
981 	int32 mantissa = (((int32) input [1]) << 8) | input[2];  in DNG_FP24ToFloat()  local
986 		if (mantissa == 0)  in DNG_FP24ToFloat()
1000 			while (!(mantissa & 0x00010000))  in DNG_FP24ToFloat()
1002 				mantissa <<= 1;  in DNG_FP24ToFloat()
1007 			mantissa &= ~0x00010000;  in DNG_FP24ToFloat()
1016 		if (mantissa == 0)  in DNG_FP24ToFloat()
1039 	mantissa <<= 7;  in DNG_FP24ToFloat()
1043 	return (uint32) ((sign << 31) | (exponent << 23) | mantissa);  in DNG_FP24ToFloat()
1053 	int32 mantissa = input & 0x007FFFFF;  in DNG_FloatToFP24()  local
1060 		if (mantissa != 0x007FFFFF && ((mantissa >> 7) == 0xFFFF))  in DNG_FloatToFP24()
1063 			mantissa &= 0x003FFFFF;		// knock out msb to make it a NaN  in DNG_FloatToFP24()
1073 		mantissa = 0x007FFFFF;  in DNG_FloatToFP24()
1082 			mantissa = (mantissa | 0x00800000) >> (-63 - exponent);  in DNG_FloatToFP24()
1087 			mantissa = 0;  in DNG_FloatToFP24()
1096 	output [1] = (mantissa >> 15) & 0x00FF;  in DNG_FloatToFP24()
1097 	output [2] = (mantissa >>  7) & 0x00FF;  in DNG_FloatToFP24()