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19 lines
331 B
19 lines
331 B
#include <stdbool.h>
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#include <unistd.h>
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#include <ctype.h>
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#include <stdlib.h>
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bool is_float(const char *string) {
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if (string == NULL) {
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return false;
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}
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char *endptr;
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strtod(string, &endptr);
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if (string == endptr) {
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return false;
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}
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while (isspace((unsigned char ) *endptr)) {
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endptr++;
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}
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return *endptr == '\0';
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}
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