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module gcc.fpcls;
import gcc.config.config;

// Implementation may be internal/ieee_fpcls.d or gcc/cbridge_math.c

static if (Use_IEEE_fpsb)
{
    // This must be kept in sync with internal/ieee_fpcls.d
    enum
    {
        FP_NAN = 1,
        FP_INFINITE,
        FP_ZERO,
        FP_SUBNORMAL,
        FP_NORMAL,
    }
}
else
    public import gcc.config.fpcls;

int signbit(float f);
int signbit(double f);
int signbit(real f);

int fpclassify(float f);
int fpclassify(double f);
int fpclassify(real f);