Compilare: user.c: In function ‘Search’: user.c:42:5: warning: implicit declaration of function ‘fabs’ [-Wimplicit-function-declaration] if(fabs(med)<eps){ ^ user.c:42:8: warning: incompatible implicit declaration of built-in function ‘fabs’ [enabled by default] if(fabs(med)<eps){ ^ user.c:44:20: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] }else if(inf<0 && med<0 || inf>0 && med>0){ ^ user.c:40:12: warning: unused variable ‘sup’ [-Wunused-variable] double sup = P(high); ^ user.c: In function ‘main’: user.c:59:7: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(file1, "%d", &G); ^ user.c:62:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(file1, "%lf", &coeff[i]); ^