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Haoqiang Fan
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Jan 2, 2017
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,226 @@ | ||
| typedef struct Number{ | ||
| enum{ | ||
| NUM_INT, | ||
| NUM_DOUBLE | ||
| }type; // 0 -> int 1 -> double | ||
| union{ | ||
| double double_val; | ||
| int int_val; | ||
| }; | ||
| } Number; | ||
| Number addNumber(Number a,Number b){ | ||
| if (a.type==a.NUM_INT){ | ||
| if (b.type==b.NUM_INT){ | ||
| Number c; | ||
| c.type=c.NUM_INT; | ||
| c.int_val=a.int_val+b.int_val; | ||
| return c; | ||
| }else{ //NUM_DOUBLE | ||
| Number c; | ||
| c.type=c.NUM_DOUBLE; | ||
| c.double_val=a.int_val+b.double_val; | ||
| return c; | ||
| } | ||
| }else{ //NUM_DOUBLE | ||
| if (b.type==b.NUM_INT){ | ||
| Number c; | ||
| c.type=c.NUM_DOUBLE; | ||
| c.int_val=a.double_val+b.int_val; | ||
| return c; | ||
| }else{ //NUM_DOUBLE | ||
| Number c; | ||
| c.type=c.NUM_DOUBLE; | ||
| c.double_val=a.double_val+b.double_val; | ||
| return c; | ||
| } | ||
| } | ||
| } | ||
| Number subNumber(Number a,Number b){ | ||
| if (a.type==a.NUM_INT){ | ||
| if (b.type==b.NUM_INT){ | ||
| Number c; | ||
| c.type=c.NUM_INT; | ||
| c.int_val=a.int_val-b.int_val; | ||
| return c; | ||
| }else{ //NUM_DOUBLE | ||
| Number c; | ||
| c.type=c.NUM_DOUBLE; | ||
| c.double_val=a.int_val-b.double_val; | ||
| return c; | ||
| } | ||
| }else{ //NUM_DOUBLE | ||
| if (b.type==b.NUM_INT){ | ||
| Number c; | ||
| c.type=c.NUM_DOUBLE; | ||
| c.int_val=a.double_val-b.int_val; | ||
| return c; | ||
| }else{ //NUM_DOUBLE | ||
| Number c; | ||
| c.type=c.NUM_DOUBLE; | ||
| c.double_val=a.double_val-b.double_val; | ||
| return c; | ||
| } | ||
| } | ||
| } | ||
| Number mulNumber(Number a,Number b){ | ||
| if (a.type==a.NUM_INT){ | ||
| if (b.type==b.NUM_INT){ | ||
| Number c; | ||
| c.type=c.NUM_INT; | ||
| c.int_val=a.int_val*b.int_val; | ||
| return c; | ||
| }else{ //NUM_DOUBLE | ||
| Number c; | ||
| c.type=c.NUM_DOUBLE; | ||
| c.double_val=a.int_val*b.double_val; | ||
| return c; | ||
| } | ||
| }else{ //NUM_DOUBLE | ||
| if (b.type==b.NUM_INT){ | ||
| Number c; | ||
| c.type=c.NUM_DOUBLE; | ||
| c.int_val=a.double_val*b.int_val; | ||
| return c; | ||
| }else{ //NUM_DOUBLE | ||
| Number c; | ||
| c.type=c.NUM_DOUBLE; | ||
| c.double_val=a.double_val*b.double_val; | ||
| return c; | ||
| } | ||
| } | ||
| } | ||
| Number divNumber(Number a,Number b,const char ** msg){ | ||
| if (a.type==a.NUM_INT){ | ||
| if (b.type==b.NUM_INT){ | ||
| Number c; | ||
| if (b.int_val==0){ | ||
| msg[0]="divided by zero"; | ||
| }else{ | ||
| c.type=c.NUM_INT; | ||
| c.int_val=a.int_val/b.int_val; | ||
| } | ||
| return c; | ||
| }else{ //NUM_DOUBLE | ||
| Number c; | ||
| c.type=c.NUM_DOUBLE; | ||
| c.double_val=a.int_val/b.double_val; | ||
| return c; | ||
| } | ||
| }else{ //NUM_DOUBLE | ||
| if (b.type==b.NUM_INT){ | ||
| Number c; | ||
| if (b.int_val==0){ | ||
| msg[0]="divided by zero"; | ||
| }else{ | ||
| c.type=c.NUM_DOUBLE; | ||
| c.int_val=a.double_val/b.int_val; | ||
| } | ||
| return c; | ||
| }else{ //NUM_DOUBLE | ||
| Number c; | ||
| c.type=c.NUM_DOUBLE; | ||
| c.double_val=a.double_val/b.double_val; | ||
| return c; | ||
| } | ||
| } | ||
| } | ||
| Number modNumber(Number a,Number b,const char ** msg){ | ||
| Number c; | ||
| if (a.type!=a.NUM_INT || b.type!=b.NUM_INT){ | ||
| msg[0]="cannot use non-integer value in mod"; | ||
| }else{ | ||
| c.type=c.NUM_INT; | ||
| c.int_val=a.int_val%b.int_val; | ||
| } | ||
| return c; | ||
| } | ||
| bool leNumber(Number a,Number b){ | ||
| if (a.type==a.NUM_INT){ | ||
| if (b.type==b.NUM_INT){ | ||
| return a.int_val<b.int_val; | ||
| }else{ //NUM_DOUBLE | ||
| return a.int_val<b.double_val; | ||
| } | ||
| }else{ //NUM_DOUBLE | ||
| if (b.type==b.NUM_INT){ | ||
| return a.double_val<b.int_val; | ||
| }else{ //NUM_DOUBLE | ||
| return a.double_val<b.double_val; | ||
| } | ||
| } | ||
| } | ||
| bool geNumber(Number a,Number b){ | ||
| if (a.type==a.NUM_INT){ | ||
| if (b.type==b.NUM_INT){ | ||
| return a.int_val>b.int_val; | ||
| }else{ //NUM_DOUBLE | ||
| return a.int_val>b.double_val; | ||
| } | ||
| }else{ //NUM_DOUBLE | ||
| if (b.type==b.NUM_INT){ | ||
| return a.double_val>b.int_val; | ||
| }else{ //NUM_DOUBLE | ||
| return a.double_val>b.double_val; | ||
| } | ||
| } | ||
| } | ||
| bool nleNumber(Number a,Number b){ | ||
| if (a.type==a.NUM_INT){ | ||
| if (b.type==b.NUM_INT){ | ||
| return a.int_val>=b.int_val; | ||
| }else{ //NUM_DOUBLE | ||
| return a.int_val>=b.double_val; | ||
| } | ||
| }else{ //NUM_DOUBLE | ||
| if (b.type==b.NUM_INT){ | ||
| return a.double_val>=b.int_val; | ||
| }else{ //NUM_DOUBLE | ||
| return a.double_val>=b.double_val; | ||
| } | ||
| } | ||
| } | ||
| bool ngeNumber(Number a,Number b){ | ||
| if (a.type==a.NUM_INT){ | ||
| if (b.type==b.NUM_INT){ | ||
| return a.int_val<=b.int_val; | ||
| }else{ //NUM_DOUBLE | ||
| return a.int_val<=b.double_val; | ||
| } | ||
| }else{ //NUM_DOUBLE | ||
| if (b.type==b.NUM_INT){ | ||
| return a.double_val<=b.int_val; | ||
| }else{ //NUM_DOUBLE | ||
| return a.double_val<=b.double_val; | ||
| } | ||
| } | ||
| } | ||
| bool eqNumber(Number a,Number b){ | ||
| if (a.type==a.NUM_INT){ | ||
| if (b.type==b.NUM_INT){ | ||
| return a.int_val==b.int_val; | ||
| }else{ //NUM_DOUBLE | ||
| return a.int_val==b.double_val; | ||
| } | ||
| }else{ //NUM_DOUBLE | ||
| if (b.type==b.NUM_INT){ | ||
| return a.double_val==b.int_val; | ||
| }else{ //NUM_DOUBLE | ||
| return a.double_val==b.double_val; | ||
| } | ||
| } | ||
| } | ||
| bool neqNumber(Number a,Number b){ | ||
| if (a.type==a.NUM_INT){ | ||
| if (b.type==b.NUM_INT){ | ||
| return a.int_val!=b.int_val; | ||
| }else{ //NUM_DOUBLE | ||
| return a.int_val!=b.double_val; | ||
| } | ||
| }else{ //NUM_DOUBLE | ||
| if (b.type==b.NUM_INT){ | ||
| return a.double_val!=b.int_val; | ||
| }else{ //NUM_DOUBLE | ||
| return a.double_val!=b.double_val; | ||
| } | ||
| } | ||
| } |
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