mirror of git://gcc.gnu.org/git/gcc.git
55 lines
1.5 KiB
C
55 lines
1.5 KiB
C
/* Tests for _FloatN / _FloatNx types: compile and execution tests for
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type-generic built-in functions: __builtin_isinf_sign. Before
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including this file, define WIDTH as the value N; define EXT to 1
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for _FloatNx and 0 for _FloatN. */
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#define __STDC_WANT_IEC_60559_TYPES_EXT__
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#include <float.h>
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#define CONCATX(X, Y) X ## Y
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#define CONCAT(X, Y) CONCATX (X, Y)
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#define CONCAT3(X, Y, Z) CONCAT (CONCAT (X, Y), Z)
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#define CONCAT4(W, X, Y, Z) CONCAT (CONCAT (CONCAT (W, X), Y), Z)
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#if EXT
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# define TYPE CONCAT3 (_Float, WIDTH, x)
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# define CST(C) CONCAT4 (C, f, WIDTH, x)
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# define MAX CONCAT3 (FLT, WIDTH, X_MAX)
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#else
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# define TYPE CONCAT (_Float, WIDTH)
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# define CST(C) CONCAT3 (C, f, WIDTH)
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# define MAX CONCAT3 (FLT, WIDTH, _MAX)
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#endif
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extern void exit (int);
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extern void abort (void);
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volatile TYPE inf = __builtin_inf (), nanval = __builtin_nan ("");
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volatile TYPE neginf = -__builtin_inf (), negnanval = -__builtin_nan ("");
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volatile TYPE zero = CST (0.0), negzero = -CST (0.0), one = CST (1.0);
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volatile TYPE max = MAX, negmax = -MAX;
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int
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main (void)
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{
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if (__builtin_isinf_sign (inf) != 1)
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abort ();
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if (__builtin_isinf_sign (neginf) != -1)
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abort ();
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if (__builtin_isinf_sign (nanval) != 0)
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abort ();
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if (__builtin_isinf_sign (negnanval) != 0)
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abort ();
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if (__builtin_isinf_sign (zero) != 0)
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abort ();
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if (__builtin_isinf_sign (negzero) != 0)
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abort ();
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if (__builtin_isinf_sign (one) != 0)
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abort ();
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if (__builtin_isinf_sign (max) != 0)
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abort ();
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if (__builtin_isinf_sign (negmax) != 0)
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abort ();
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exit (0);
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}
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