31 lines
760 B
Java
31 lines
760 B
Java
package java.lang;
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public class Double {
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public static String toString(double f) {
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long integer = (long)f;
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double frac = (f - (double)integer) * 10000.0;
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long fraction = (long)frac;
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byte[] int_s = Long.toString(integer).getBytes();
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byte[] frac_s = Long.toString(fraction).getBytes();
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int length = int_s.length + frac_s.length + 1;
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byte[] buf = new byte[length];
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int ix = 0;
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for (int i = 0; i < int_s.length; i++) {
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buf[ix] = int_s[i];
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ix += 1;
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}
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buf[ix] = (byte)'.';
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ix += 1;
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for (int i = 0; i < frac_s.length; i++) {
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buf[ix] = frac_s[i];
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ix += 1;
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}
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return new String(buf);
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}
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}
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