Alessandro Bonazzi
e075990ed3
Files correlati : Commento : Aggiunto il preprocessore c++ mcpp per sostituire il compilatore nella compilazione delle maschere.
52 lines
1.0 KiB
C
52 lines
1.0 KiB
C
/* n_13.c: Valid operators in #if expression. */
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/* Valid operators are (precedence in this order) :
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defined, (unary)+, (unary)-, ~, !,
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*, /, %,
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+, -,
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<<, >>,
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<, >, <=, >=,
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==, !=,
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&,
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^,
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|,
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&&,
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||,
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? :
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*/
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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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/* 13.1: Bit shift. */
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#if 1 << 2 != 4 || 8 >> 1 != 4
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fputs( "Bad arithmetic of <<, >> operators.\n", stderr);
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exit( 1);
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#endif
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/* 13.2: Bitwise operators. */
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#if (3 ^ 5) != 6 || (3 | 5) != 7 || (3 & 5) != 1
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fputs( "Bad arithmetic of ^, |, & operators.\n", stderr);
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exit( 1);
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#endif
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/* 13.3: Result of ||, && operators is either of 1 or 0. */
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#if (2 || 3) != 1 || (2 && 3) != 1 || (0 || 4) != 1 || (0 && 5) != 0
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fputs( "Bad arithmetic of ||, && operators.\n", stderr);
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exit( 1);
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#endif
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/* 13.4: ?, : operator. */
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#if (0 ? 1 : 2) != 2
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fputs( "Bad arithmetic of ?: operator.\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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