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@ -5,6 +5,7 @@ |
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#include <stdlib.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#include <string.h> |
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#include <math.h> |
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#include <math.h> |
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#include <stdbool.h> |
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void trimLeft(char *input) { |
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void trimLeft(char *input) { |
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size_t length = strlen(input); |
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size_t length = strlen(input); |
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@ -79,4 +80,74 @@ void printlf(long double value) { |
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else { |
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else { |
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printf("%Lf", value); |
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printf("%Lf", value); |
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} |
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} |
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} |
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long double getNumber(char *message, long double *min, long double *max, long double *greaterThan, long double *smallerThan, long double leftBorder, long double rightBorder) { |
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while (1) { |
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char *input = getstr(message, NULL, NULL); |
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if (strlen(input) == 0) { |
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printf("%s\n", "Fehlende Eingabe!"); |
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fflush(stdout); |
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free(input); |
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continue; |
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} |
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char *endptr; |
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long double number = strtold(input, &endptr); |
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if (strlen(endptr) > 0) { |
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printf("%s\n", "Ungueltige Eingabe! Gib eine gueltige Zahl ein."); |
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fflush(stdout); |
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free(input); |
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continue; |
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} |
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free(input); |
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bool isValid = true; |
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if (min != NULL && number < *min) { |
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isValid = false; |
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} |
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if (max != NULL && number > *max) { |
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isValid = false; |
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} |
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if (greaterThan != NULL && !(number > *greaterThan)) { |
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isValid = false; |
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} |
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if (smallerThan != NULL && !(number < *smallerThan)) { |
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isValid = false; |
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} |
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if (number < leftBorder) { |
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isValid = false; |
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} |
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if (number > rightBorder) { |
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isValid = false; |
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} |
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if (isValid) { |
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return number; |
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} |
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printf("Ungueltige Eingabe! Fuer die eingegebene Zahl muss gelten:"); |
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if (min != NULL) { |
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printf(" >="); |
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printlf(*min); |
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} |
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if (max != NULL) { |
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printf(" <="); |
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printlf(*max); |
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} |
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if (greaterThan != NULL) { |
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printf(" >"); |
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printlf(*greaterThan); |
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} |
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if (smallerThan != NULL) { |
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printf(" <"); |
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printlf(*smallerThan); |
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} |
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if (min == NULL && greaterThan == NULL) { |
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printf(" >="); |
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printlf(leftBorder); |
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} |
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if (max == NULL && smallerThan == NULL) { |
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printf(" <="); |
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printlf(rightBorder); |
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} |
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printf("\n"); |
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fflush(stdout); |
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} |
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} |
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} |