谁能看一下该程序错在那里?
谁能看一下该程序错在那里：求x的反正切值
#define pi3.1415926
#include <math.h>
D_L=atan(x)*(double(180/pi));试后有如下提示：
chong.c - 5 errors
1132, 32 syntax error; found 'integer constant' expecting ')'.
1132, 32 syntax error; found 'integer constant' expecting ')'.
1132, 35 Cast from 'int' to 'double function' is illegal.
1132, 38 syntax error; found ')' expecting ';'.
1132, 38 Illegal statement termination. atan(x)*(（double）(180/pi));
这样试试！
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