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/* |
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* fpu/mathlib.h - Floating-point math support library |
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* |
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< |
* Basilisk II (C) 1997-2001 Christian Bauer |
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* Basilisk II (C) 1997-2008 Christian Bauer |
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* |
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* MC68881/68040 fpu emulation |
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* |
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# define fp_ceil ceil |
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#endif |
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#if defined(FPU_IEEE) && defined(X86_ASSEMBLY) |
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#if defined(FPU_IEEE) && defined(USE_X87_ASSEMBLY) |
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// Assembly optimized support functions. Taken from glibc 2.2.2 |
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#undef fp_log |
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PRIVATE inline fpu_extended fp_do_sgn1(fpu_extended x) |
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{ |
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#if USE_LONG_DOUBLE || USE_QUAD_DOUBLE |
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fp_declare_init_shape(sxp, x, extended); |
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sxp->ieee_nan.exponent = FP_EXTENDED_EXP_MAX; |
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sxp->ieee_nan.one = 1; |
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#else |
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fp_declare_init_shape(sxp, x, double); |
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sxp->ieee_nan.exponent = FP_DOUBLE_EXP_MAX; |
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#endif |
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sxp->ieee_nan.quiet_nan = 0; |
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sxp->ieee_nan.mantissa0 = 0; |
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sxp->ieee_nan.mantissa1 = 0; |
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DEFINE_ROUND_FUNC(nearest, 0x000) |
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#endif /* X86_ASSEMBLY */ |
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#endif /* USE_X87_ASSEMBLY */ |
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#ifndef fp_round_to_minus_infinity |
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#define fp_round_to_minus_infinity(x) fp_floor(x) |
