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du2

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This commit is contained in:
Roman Khaliavka 2025-03-06 15:07:05 +00:00
parent c101c1baf2
commit 80cda9f3a9
1 changed files with 8 additions and 9 deletions
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19
du2/program.c
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@ -13,7 +13,7 @@ int read_double(double *num){
char *endptr; char *endptr;
*num = strtod(line, &endptr); *num = strtod(line, &endptr);
if(endptr == line || (*endptr != '\0' && *endptr != '\n')){ if(endptr == line || (*endptr != '\0' && *endptr != '\n')){
return -1; return 0;
} }
return 1; return 1;
} }
@ -21,14 +21,13 @@ int read_double(double *num){
int main(){ int main(){
double x, coef, result = 0.0; double x, coef, result = 0.0;
int coef_index = 0; int coef_index = 0;
int read_status;
if((read_status = read_double(&x)) != 1){ if(!read_double(&x)){
printf("Chyba: Nepodarilo sa nacitat hodnotu x.\n"); printf("Chyba: Nepodarilo sa nacitat hodnotu x.\n");
return 1; return 0;
} }
while((read_status = read_double(&coef)) == 1){ while(read_double(&coef)){
if(coef_index == 0){ if(coef_index == 0){
result = coef; result = coef;
}else{ }else{
@ -38,15 +37,15 @@ int main(){
} }
if(read_status == -1){ if(read_status == -1){
printf("Nepodarilo sa nacitat polynom na %d mieste.\n", coef_index); printf("Nepodarilo sa nacitat polynom na %d mieste.\n", coef_index + 1);
return 0; return 0;
} }
if(coef_index == 0){ if(coef_index == 0){
printf("Chyba: Nepodarilo sa nacitat ziadne koeficienty.\n"); printf("Chyba: Nepodarilo sa nacitat ziadne koeficienty.\n");
return 1; return 0;
} }
printf("Vysledok je: %.2f\n", result); printf("Vysledok je: %.2f\n", round(result * 100) / 100);
return 0; return 0;
} }