Alessandro Bonazzi
e075990ed3
Files correlati : Commento : Aggiunto il preprocessore c++ mcpp per sostituire il compilatore nella compilazione delle maschere.
37 lines
892 B
C
37 lines
892 B
C
/* n_13_5.c: Arithmetic conversion in #if expressions. */
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#include "defs.h"
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main( void)
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{
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fputs( "started\n", stderr);
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/* 13.5: The usual arithmetic conversion is not performed on bit shift. */
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#if -1 << 3U > 0
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fputs( "Bad conversion of bit shift operands.\n", stderr);
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exit( 1);
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#endif
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/* 13.6: Usual arithmetic conversions. */
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#if -1 <= 0U /* -1 is converted to unsigned long. */
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fputs( "Bad arithmetic conversion.\n", stderr);
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exit( 1);
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#endif
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#if -1 * 1U <= 0
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fputs( "Bad arithmetic conversion.\n", stderr);
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exit( 1);
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#endif
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/* Second and third operands of conditional operator are converted to the
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same type, thus -1 is converted to unsigned long. */
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#if (1 ? -1 : 0U) <= 0
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fputs( "Bad arithmetic conversion.\n", stderr);
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exit( 1);
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#endif
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fputs( "success\n", stderr);
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return 0;
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}
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