Two's complement: Difference between revisions
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=={{header|Julia}}== |
=={{header|Julia}}== |
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In Julia as in C, if a number n is any integer type, then -n is the two's complement of n, with type preserved. This is true even if n is unsigned. |
In Julia as in C, if a number n is any integer type, then -n is the two's complement of n, with type preserved. This is true even if n is unsigned. |
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=={{header|Phix}}== |
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=== inline assembly === |
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<!--<lang Phix>--> |
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<span style="color: #008080;">without</span> <span style="color: #008080;">js</span> |
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<span style="color: #004080;">integer</span> <span style="color: #000000;">a</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">0b000011</span><span style="color: #0000FF;">,</span> |
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<span style="color: #000000;">a2c</span> |
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#ilASM{ |
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[32] |
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mov eax,[a] |
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neg eax |
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mov [a2c],eax |
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[64] |
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mov rax,[a] |
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neg rax |
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mov [a2c],rax |
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} |
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<span style="color: #7060A8;">printf</span><span style="color: #0000FF;">(</span><span style="color: #000000;">1</span><span style="color: #0000FF;">,</span><span style="color: #008000;">"%032b -> %032b\n"</span><span style="color: #0000FF;">,{</span><span style="color: #000000;">a</span><span style="color: #0000FF;">,</span><span style="color: #000000;">a2c</span><span style="color: #0000FF;">})</span> |
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<!--</lang>--> |
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{{out}} |
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<pre> |
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00000000000000000000000000000011 -> 11111111111111111111111111111101 |
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</pre> |
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=== normal hll === |
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<!--<lang Phix>(phixonline)--> |
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<span style="color: #008080;">with</span> <span style="color: #008080;">javascript_semantics</span> |
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<span style="color: #004080;">integer</span> <span style="color: #000000;">a</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">0b000011</span> |
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<span style="color: #7060A8;">printf</span><span style="color: #0000FF;">(</span><span style="color: #000000;">1</span><span style="color: #0000FF;">,</span><span style="color: #008000;">"%032b -> %032b\n"</span><span style="color: #0000FF;">,{</span><span style="color: #000000;">a</span><span style="color: #0000FF;">,-</span><span style="color: #000000;">a</span><span style="color: #0000FF;">})</span> |
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<!--</lang>--> |
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Same output (naturally the rhs is twice as long under 64 bit, in both cases) |
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=={{header|PL/M}}== |
=={{header|PL/M}}== |
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