35 lines
737 B
C++
35 lines
737 B
C++
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#include <iostream>
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#include <iomanip>
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#include <cstdio>
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#include <cmath>
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using namespace std;
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int main(int argc, char * argv[]) {
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float a = 12.123456;
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float b = 12.125100;
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cout << a << " " << b << " " << endl;
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cout << setiosflags(ios::fixed) << setprecision(2) << a << " " << b << " " << endl;
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printf("%0.2f %0.2f\n", a, b);
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fprintf(stdout, "%0.2f %0.2f\n", a, b);
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fprintf(stderr, "%0.2f %0.2f\n", a, b);
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double input;
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cin >> input;
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double intpart = 0;
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double fracpart = modf(input, &intpart);
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printf("%f %f\n", intpart, fracpart);
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if (fracpart == 0.5) {
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cout << "exactly 0.5" << endl;
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}
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else {
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cout << "not exactly 0.5" << endl;
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}
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return 0;
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}
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