27 lines
359 B
C
27 lines
359 B
C
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#include <stdio.h>
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#include <stdint.h>
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union floatbit {
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float value;
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struct {
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uint32_t mant : 23;
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uint32_t exp : 8;
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uint32_t sign : 1;
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} bit;
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} f;
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float mult4(float f) {
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union floatbit tmp;
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tmp.value = f;
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tmp.bit.exp += 2;
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return tmp.value;
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}
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int main ()
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{
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float a, res;
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scanf("%f",&a);
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res = mult4(a);
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printf("%.3f", res);
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return 0;
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}
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