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