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c璇█涓璮abs鍑芥暟鎬庝箞浣跨敤

扬州沐宇科技
2023-10-19 11:54:23
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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>

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