48 lines
1.5 KiB
C
48 lines
1.5 KiB
C
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#include <stdio.h>
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#include <float.h>
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char *status[2] = { "disabled", "enabled" };
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void main()
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{
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unsigned int fp_cw = 0;
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unsigned int fp_mask = 0;
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unsigned int bits;
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fp_cw = _control87( fp_cw,
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fp_mask );
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printf( "Interrupt Exception Masks\n" );
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bits = fp_cw & MCW_EM;
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printf( " Invalid Operation exception %s\n",
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status[ (bits & EM_INVALID) == 0 ] );
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printf( " Denormalized exception %s\n",
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status[ (bits & EM_DENORMAL) == 0 ] );
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printf( " Divide-By-Zero exception %s\n",
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status[ (bits & EM_ZERODIVIDE) == 0 ] );
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printf( " Overflow exception %s\n",
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status[ (bits & EM_OVERFLOW) == 0 ] );
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printf( " Underflow exception %s\n",
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status[ (bits & EM_UNDERFLOW) == 0 ] );
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printf( " Precision exception %s\n",
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status[ (bits & EM_PRECISION) == 0 ] );
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printf( "Infinity Control = " );
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bits = fp_cw & MCW_IC;
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if( bits == IC_AFFINE ) printf( "affine\n" );
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if( bits == IC_PROJECTIVE ) printf( "projective\n" );
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printf( "Rounding Control = " );
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bits = fp_cw & MCW_RC;
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if( bits == RC_NEAR ) printf( "near\n" );
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if( bits == RC_DOWN ) printf( "down\n" );
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if( bits == RC_UP ) printf( "up\n" );
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if( bits == RC_CHOP ) printf( "chop\n" );
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printf( "Precision Control = " );
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bits = fp_cw & MCW_PC;
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if( bits == PC_24 ) printf( "24 bits\n" );
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if( bits == PC_53 ) printf( "53 bits\n" );
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if( bits == PC_64 ) printf( "64 bits\n" );
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}
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