/* Basic test of runtime equality comparisons using simple values that
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/* Basic test of runtime equality comparisons using simple values that
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are not affected by rounding. */
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are not affected by rounding. */
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#include <stdlib.h>
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#include <stdlib.h>
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static int failcnt;
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static int failcnt;
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#define PASTE2(A,B) A ## B
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#define PASTE2(A,B) A ## B
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#define PASTE(A,B) PASTE2(A,B)
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#define PASTE(A,B) PASTE2(A,B)
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#ifdef DBG
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#ifdef DBG
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#include <stdio.h>
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#include <stdio.h>
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#define FAILURE(OP,KIND) \
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#define FAILURE(OP,KIND) \
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{ printf ("failed at line %d: %s for %s values\n", __LINE__, OP, KIND); \
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{ printf ("failed at line %d: %s for %s values\n", __LINE__, OP, KIND); \
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failcnt++; }
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failcnt++; }
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#else
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#else
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#define FAILURE(OP,KIND) abort ();
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#define FAILURE(OP,KIND) abort ();
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#endif
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#endif
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#ifndef WIDTH
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#ifndef WIDTH
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#error define WIDTH as decimal float size in bytes
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#error define WIDTH as decimal float size in bytes
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#endif
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#endif
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#if WIDTH == 32
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#if WIDTH == 32
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#define DTYPE _Decimal32
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#define DTYPE _Decimal32
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#define SUFFIX DF
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#define SUFFIX DF
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#elif WIDTH == 64
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#elif WIDTH == 64
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#define DTYPE _Decimal64
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#define DTYPE _Decimal64
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#define SUFFIX DD
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#define SUFFIX DD
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#elif WIDTH == 128
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#elif WIDTH == 128
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#define DTYPE _Decimal128
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#define DTYPE _Decimal128
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#define SUFFIX DL
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#define SUFFIX DL
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#elif WIDTH == 0
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#elif WIDTH == 0
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/* This is for testing the test using a type known to work. */
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/* This is for testing the test using a type known to work. */
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#define DTYPE double
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#define DTYPE double
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#define SUFFIX
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#define SUFFIX
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#else
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#else
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#error invalid width for decimal float type
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#error invalid width for decimal float type
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#endif
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#endif
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DTYPE m_two = PASTE(-2.0, SUFFIX);
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DTYPE m_two = PASTE(-2.0, SUFFIX);
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DTYPE m_one = PASTE(-1.0, SUFFIX);
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DTYPE m_one = PASTE(-1.0, SUFFIX);
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DTYPE zero = PASTE(0.0, SUFFIX);
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DTYPE zero = PASTE(0.0, SUFFIX);
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DTYPE one = PASTE(1.0, SUFFIX);
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DTYPE one = PASTE(1.0, SUFFIX);
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DTYPE two = PASTE(2.0, SUFFIX);
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DTYPE two = PASTE(2.0, SUFFIX);
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void
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void
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test_compares (void)
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test_compares (void)
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{
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{
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DTYPE x = one;
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DTYPE x = one;
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DTYPE y = zero;
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DTYPE y = zero;
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DTYPE z = m_one;
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DTYPE z = m_one;
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/* Equal to: comparisons against equal values. */
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/* Equal to: comparisons against equal values. */
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if (! (x == one)) FAILURE ("==", "equal")
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if (! (x == one)) FAILURE ("==", "equal")
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if (! (y == zero)) FAILURE ("==", "equal")
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if (! (y == zero)) FAILURE ("==", "equal")
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if (! (z == m_one)) FAILURE ("==", "equal")
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if (! (z == m_one)) FAILURE ("==", "equal")
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/* Equal to: comparisons against lesser values. */
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/* Equal to: comparisons against lesser values. */
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if (x == m_one) FAILURE ("==", "lesser")
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if (x == m_one) FAILURE ("==", "lesser")
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if (x == zero) FAILURE ("==", "lesser")
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if (x == zero) FAILURE ("==", "lesser")
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if (y == m_one) FAILURE ("==", "lesser")
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if (y == m_one) FAILURE ("==", "lesser")
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if (z == m_two) FAILURE ("==", "lesser")
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if (z == m_two) FAILURE ("==", "lesser")
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/* Equal to: comparisons against greater values. */
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/* Equal to: comparisons against greater values. */
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if (x == two) FAILURE ("==", "greater")
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if (x == two) FAILURE ("==", "greater")
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if (y == one) FAILURE ("==", "greater")
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if (y == one) FAILURE ("==", "greater")
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if (z == zero) FAILURE ("==", "greater")
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if (z == zero) FAILURE ("==", "greater")
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if (z == one) FAILURE ("==", "greater")
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if (z == one) FAILURE ("==", "greater")
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/* Not equal to: comparisons against equal values. */
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/* Not equal to: comparisons against equal values. */
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if (x != one) FAILURE ("!=", "equal")
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if (x != one) FAILURE ("!=", "equal")
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if (y != zero) FAILURE ("!=", "equal")
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if (y != zero) FAILURE ("!=", "equal")
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if (z != m_one) FAILURE ("!=", "equal")
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if (z != m_one) FAILURE ("!=", "equal")
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/* Not equal to: comparisons against lesser values. */
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/* Not equal to: comparisons against lesser values. */
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if (! (x != m_one)) FAILURE ("!=", "lesser")
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if (! (x != m_one)) FAILURE ("!=", "lesser")
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if (! (x != zero)) FAILURE ("!=", "lesser")
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if (! (x != zero)) FAILURE ("!=", "lesser")
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if (! (y != m_one)) FAILURE ("!=", "lesser")
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if (! (y != m_one)) FAILURE ("!=", "lesser")
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if (! (z != m_two)) FAILURE ("!=", "lesser")
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if (! (z != m_two)) FAILURE ("!=", "lesser")
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/* Not equal to: comparisons against greater values. */
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/* Not equal to: comparisons against greater values. */
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if (! (x != m_one)) FAILURE ("!=", "greater")
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if (! (x != m_one)) FAILURE ("!=", "greater")
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if (! (x != zero)) FAILURE ("!=", "greater")
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if (! (x != zero)) FAILURE ("!=", "greater")
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if (! (y != m_one)) FAILURE ("!=", "greater")
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if (! (y != m_one)) FAILURE ("!=", "greater")
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if (! (z != m_two)) FAILURE ("!=", "greater")
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if (! (z != m_two)) FAILURE ("!=", "greater")
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if (failcnt)
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if (failcnt)
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abort ();
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abort ();
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}
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}
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