132 lines
2.1 KiB
C
132 lines
2.1 KiB
C
/* N1150 5.2 Conversions among decimal floating types and between
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decimal floating types and generic floating types.
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C99 6.3.1.5(4) Conversions, arithmetic operands, real floating types. */
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/* Long double isn't supported yet at runtime, so disable those checks. */
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#include "dfp-dbg.h"
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static int skip_long_double;
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volatile _Decimal32 d32;
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volatile _Decimal64 d64;
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volatile _Decimal128 d128;
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volatile float sf;
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volatile double df;
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volatile long double tf;
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int
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main ()
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{
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/* Conversions from decimal float to binary float. */
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if (sizeof (long double) == sizeof (double))
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skip_long_double = 1;
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/* Conversions from _Decimal32. */
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d32 = 2.0df;
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sf = d32;
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if (sf != 2.0f)
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FAILURE
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df = d32;
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if (df != 2.0)
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FAILURE
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if (skip_long_double == 0)
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{
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tf = d32;
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if (tf != 2.0l)
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FAILURE
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}
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/* Conversions from _Decimal64. */
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d64 = -7.0dd;
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sf = d64;
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if (sf != -7.0f)
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FAILURE
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df = d64;
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if (df != -7.0)
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FAILURE
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if (skip_long_double == 0)
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{
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tf = d64;
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if (tf != -7.0l)
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FAILURE
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}
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/* Conversions from _Decimal128. */
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d128 = 30.0dl;
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sf = d128;
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if (sf != 30.0f)
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FAILURE
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df = d128;
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if (df != 30.0)
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FAILURE
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df = d128;
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if (df != 30.0l)
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FAILURE
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/* Conversions from binary float to decimal float. */
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sf = 30.0f;
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d32 = sf;
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if (d32 != 30.0df)
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FAILURE
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d64 = sf;
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if (d64 != 30.0dd)
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FAILURE
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df = -2.0;
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d32 = df;
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if (d32 != -2.0df)
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FAILURE
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d64 = df;
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if (d64 != -2.0dd)
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FAILURE
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d128 = df;
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if (d128 != -2.0dl)
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FAILURE
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sf = 30.0f;
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d128 = sf;
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if (d128 != 30.0dl)
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FAILURE
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if (skip_long_double == 0)
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{
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tf = -22.0l;
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d32 = tf;
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if (d32 != -22.0df)
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FAILURE
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d64 = tf;
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if (d64 != -22.0dd)
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FAILURE
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d128 = tf;
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if (d128 != -22.0dl)
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FAILURE
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}
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/* 2**(-11) = 0.00048828125. */
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d128 = 0.000488281251dl;
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sf = d128;
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if (sf != 0.00048828125f)
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FAILURE
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/* 2**(-25) = 0.298023223876953125E-7. */
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d128 = 2.98023223876953125E-8dl;
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df = d128;
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if (df < (2.9802322387695312e-08 - 0.00000000001)
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|| df > (2.9802322387695312e-08 + 0.00000000001))
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FAILURE
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FINISH
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}
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