c璇█涓璮abs鍑芥暟鎬庝箞浣跨敤
鍦–璇█涓紝fabs鍑芥暟鐢ㄤ簬璁$畻娴偣鏁扮殑缁濆鍊笺€傚畠鐨勫嚱鏁板師鍨嬪涓嬶細
double fabs(double x);
fabs鍑芥暟鎺ュ彈涓€涓弬鏁皒锛岃繑鍥炲弬鏁皒鐨勭粷瀵瑰€硷紝鍗硘x|銆?/p>
涓嬮潰鏄竴涓娇鐢╢abs鍑芥暟鐨勪緥瀛愶細
#include <stdio.h>
#include <math.h>
int main() {
double x = -3.14;
double result = fabs(x);
printf("The absolute value of %.2f is %.2f\n", x, result);
return 0;
}
杩愯缁撴灉锛?/p>
The absolute value of -3.14 is 3.14
鍦ㄤ笂闈㈢殑渚嬪瓙涓紝棣栧厛鍖呭惈浜?code><stdio.h>鍜?code><math.h>澶存枃浠讹紝鍒嗗埆鐢ㄤ簬杈撳叆杈撳嚭鍜屾暟瀛﹀嚱鏁般€傜劧鍚庡畾涔変簡涓€涓彉閲弜锛屽苟缁欏叾璧嬪€间负-3.14銆傜劧鍚庝娇鐢╢abs鍑芥暟璁$畻x鐨勭粷瀵瑰€硷紝骞跺皢缁撴灉璧嬪€肩粰鍙橀噺result銆傛渶鍚庝娇鐢╬rintf鍑芥暟杈撳嚭缁撴灉銆?/p>
相关问答