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[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [testsuite/] [gcc.dg/] [dfp/] [convert-bfp-fold.c] - Rev 856
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/* { dg-options "-std=gnu99 -O" } */ /* N1150 5.2 Conversions among decimal floating types and between decimal floating types and generic floating types. C99 6.3.1.5(4) Conversions, arithmetic operands, real floating types. */ _Decimal32 d32; _Decimal64 d64; _Decimal128 d128; float sf; double df; long double tf; extern void link_error (void); int main () { /* Conversions from decimal float to binary float. */ /* Conversions from _Decimal32. */ d32 = 2.0df; sf = d32; if (sf != 2.0f) link_error (); df = d32; if (df != 2.0) link_error (); tf = d32; if (tf != 2.0l) link_error (); /* Conversions from _Decimal64. */ d64 = -7.0dd; sf = d64; if (sf != -7.0f) link_error (); df = d64; if (df != -7.0) link_error (); tf = d64; if (tf != -7.0l) link_error (); /* Conversions from _Decimal128. */ d128 = 30.0dl; sf = d128; if (sf != 30.0f) link_error (); df = d128; if (df != 30.0) link_error (); df = d128; if (df != 30.0l) link_error (); /* Conversions from binary float to decimal float. */ sf = 30.0f; d32 = sf; if (d32 != 30.0df) link_error (); d64 = sf; if (d64 != 30.0dd) link_error (); df = -2.0; d32 = df; if (d32 != -2.0df) link_error (); d64 = df; if (d64 != -2.0dd) link_error (); d128 = df; if (d128 != -2.0dl) link_error (); sf = 30.0f; d128 = sf; if (d128 != 30.0dl) link_error (); tf = -22.0l; d32 = tf; if (d32 != -22.0df) link_error (); d64 = tf; if (d64 != -22.0dd) link_error (); d128 = tf; if (d128 != -22.0dl) link_error (); /* 2**(-11) = 0.00048828125. */ d128 = 0.000488281251dl; sf = d128; if (sf != 0.00048828125f) link_error (); /* 2**(-25) = 0.298023223876953125E-7. */ d128 = 2.98023223876953125E-8dl; df = d128; if (df < (2.9802322387695312e-08 - 0.00000000001) || df > (2.9802322387695312e-08 + 0.00000000001)) link_error (); return 0; }
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