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Aktualizovat du3/program.c

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This commit is contained in:
Tomáš Vlček 2026-03-19 01:05:25 +00:00
parent ab6cda9811
commit 4b33f0c091
1 changed files with 11 additions and 32 deletions
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43
du3/program.c
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@ -7,7 +7,7 @@
#define SIZE 128 #define SIZE 128
//kontrola, ze ci vycitane informacie su aritmeticky spravne //kontrola, ze ci vycitane informacie su aritmeticky spravne
//VRACIA: int: -1 (CHYBA), 0 (False), (True) //VRACIA: int: -1 (CHYBA), 0 (False), 1 (True)
float IsArithCorrect(float num1, float num2, char* op, float result) float IsArithCorrect(float num1, float num2, char* op, float result)
{ {
@ -62,12 +62,16 @@ int main()
for (int i = 0; strBuffer[i] != '\0'; i++) for (int i = 0; strBuffer[i] != '\0'; i++)
{ {
if (isspace() != 0) else if (isspace() != 0)
{ {
continue; continue;
} }
if (isdigit(strBuffer[i]) != 0 || strBuffer[i] == '.') else if (isdigit(strBuffer[i]) != 0 || strBuffer[i] == '.')
{ {
//cislo sa bude zapisovat podla toho, kde sme pri citani riadku...
//ak nenasiel ani arit. znamienko = cislo patri ku prvemu operandu (num1)
//ak nasiel arit. znamienko ale NIE este symbol '=', tak cislo patri ku druhemu operandu (num2)
//inak ak ma vsetko, tak zvysne nacitane cisla z riadku mozu byt vyluc. metodou len sucastou vysledku
if (op1 == 'N') if (op1 == 'N')
{ {
strncat(num1Temp, &strBuffer[i], 1); strncat(num1Temp, &strBuffer[i], 1);
@ -81,15 +85,13 @@ int main()
strncat(resultTemp, &strBuffer[i], 1); strncat(resultTemp, &strBuffer[i], 1);
} }
} }
//ak je to nejaky printable symbol ('*/-,:./), skontroluj ci to nie je artimeticke znamienko alebo desatinna bodka (a udel im vynimku) else if (strBuffer[i] == '=')
//AK NIE, povazuj za riadok neplatny...
if (strBuffer[i] == '=')
{ {
foundEqualSign = true; foundEqualSign = true;
continue; continue;
} }
if (strBuffer[i] == '+' || strBuffer[i] == '-' || strBuffer[i] == '/' || strBuffer[i] == '*') else if (strBuffer[i] == '+' || strBuffer[i] == '-' || strBuffer[i] == '/' || strBuffer[i] == '*')
{ {
//predbezna kontrola, ze ci sme doteraz daco vobec nacitavali //predbezna kontrola, ze ci sme doteraz daco vobec nacitavali
if (op1 == 'N' || strBuffer[0] == '\0') if (op1 == 'N' || strBuffer[0] == '\0')
@ -98,37 +100,14 @@ int main()
} }
op1 = strBuffer[i]; op1 = strBuffer[i];
} }
else if (strBuffer[i] == '.') else
{
//zisti, kde treba zapisat desatinnu bodku
switch (writeIntoArrayNum)
{
case 1:
strncat(num1Temp, &strBuffer[i], 1);
break;
case 2:
strncat(num2Temp, &strBuffer[i], 1);
break;
case 3:
strncat(resultTemp, &strBuffer[i], 1);
break;
}
}
else
{ {
isLineInvalid = true; isLineInvalid = true;
break; break;
} }
if (isalpha(strBuffer[i]) != 0)
{
isLineInvalid = true;
break;
}
} }
float num1 = strtof(num1Temp, &strtofEndPtr); float num1 = strtof(num1Temp, &strtofEndPtr);
float num2 = strtof(num2Temp, &strtofEndPtr); float num2 = strtof(num2Temp, &strtofEndPtr);
float resultNum = strtof(resultTemp, &strtofEndPtr); float resultNum = strtof(resultTemp, &strtofEndPtr);