moved the Float32toFloat16 codes to .cpp

inc/hgl/math/HalfFloat.h

@@ -52,56 +52,7 @@ namespace hgl
     /**
     * 标准版float32转float16处理
     */
-    void Float32toFloat16(half_float *output,const float *input,const uint count)
-    {
-        const uint32 *src=(const uint32 *)input;
-        uint16 *dst=output;
-    
-        for(uint i=0;i<count;i++)
-        {
-            uint32 value=src[i];
-    
-            uint32 sign_bit=value&0x80000000;
-            uint32 exponent=(value&0x7F800000)>>23;
-            uint32 mantissa=value&0x007FFFFF;
-    
-            if(exponent==0xFF)
-            {
-                if(mantissa==0)
-                    dst[i]=sign_bit>>16;
-                else
-                    dst[i]=0x7FFF;
-            }
-            else
-            {
-                if(exponent==0)
-                {
-                    if(mantissa==0)
-                        dst[i]=sign_bit>>16;
-                    else
-                    {
-                        uint32 mantissa_bit=0x00800000;
-                                     
-                        while((mantissa&mantissa_bit)==0)
-                        {
-                            mantissa_bit>>=1;
-                            --exponent;
-                        }
-                                     
-                        exponent+=1;
-                        mantissa&=~mantissa_bit;
-                    }
-                }
-                else
-                {
-                    exponent+=15-127;
-                    mantissa>>=13;
-                }
-           
-                dst[i]=sign_bit>>16|exponent<<10|mantissa;
-            }
-        }
-    }
+    void Float32toFloat16(half_float *output,const float *input,const uint count);
 
     /**
     * 快速版float32转float16处理