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19 lines
421 B
C
19 lines
421 B
C
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FPI *fpi, fpi1;
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int Rounding;
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#ifdef Trust_FLT_ROUNDS /*{{ only define this if FLT_ROUNDS really works! */
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Rounding = Flt_Rounds;
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#else /*}{*/
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Rounding = 1;
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switch(fegetround()) {
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case FE_TOWARDZERO: Rounding = 0; break;
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case FE_UPWARD: Rounding = 2; break;
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case FE_DOWNWARD: Rounding = 3;
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}
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#endif /*}}*/
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fpi = &fpi0;
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if (Rounding != 1) {
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fpi1 = fpi0;
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fpi = &fpi1;
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fpi1.rounding = Rounding;
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}
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