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du2

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This commit is contained in:
Roman Khaliavka 2025-03-06 14:49:51 +00:00
parent ca66a5d8da
commit 1fb719c611
1 changed files with 11 additions and 9 deletions
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20
du2/program.c
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@ -6,32 +6,29 @@
int read_double(double *num){ int read_double(double *num){
char line[LINE_SIZE]; char line[LINE_SIZE];
if (!fgets(line, LINE_SIZE, stdin)){ if(!fgets(line, LINE_SIZE, stdin)){
return 0; return 0;
} }
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 0; return -1;
} }
return 1; return 1;
} }
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_double(&x)){ if((read_status = read_double(&x)) != 1){
printf("Chyba: Nepodarilo sa nacitat hodnotu x.\n"); printf("Chyba: Nepodarilo sa nacitat hodnotu x.\n");
return 1; return 1;
} }
while (1){ while((read_status = read_double(&coef)) == 1){
if(!read_double(&coef)){
printf("Nepodarilo sa nacitat polynom na %d mieste.\n", coef_index + 1);
return 1;
}
if(coef_index == 0){ if(coef_index == 0){
result = coef; result = coef;
}else{ }else{
@ -40,6 +37,11 @@ int main() {
coef_index++; coef_index++;
} }
if(read_status == -1){
printf("Nepodarilo sa nacitat polynom na %d mieste.\n", coef_index + 1);
return 1;
}
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 1;