sign_function
| 109 | |
| 110 | //sign_function |
| 111 | float sign_function(float data) |
| 112 | { |
| 113 | if(data>0) |
| 114 | { |
| 115 | return 1.0; |
| 116 | } |
| 117 | else if(data<0) |
| 118 | { |
| 119 | return -1.0; |
| 120 | } |
| 121 | else if(data == 0) |
| 122 | { |
| 123 | return 0.0; |
| 124 | } |
| 125 | } |
| 126 | |
| 127 | // min function |
| 128 | float min(float data1,float data2) |