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#include <ieeefp.h>
fp_rnd
_DEFUN_VOID(fpgetround)
{
char *out;
ieee_flags("get", "direction","", &out);
if (strcmp(out,"nearest") == 0) return FP_RN;
if (strcmp(out,"negative") == 0) return FP_RM;
if (strcmp(out,"positive") == 0) return FP_RP;
if (strcmp(out,"tozero") == 0) return FP_RZ;
abort();
}
fp_rnd
_DEFUN(fpsetround,(new),
fp_rnd new)
{
fp_rnd old = fpgetround();
char *dummy;
switch (new)
{
case FP_RN:
ieee_flags("set", "direction", "nearest", &dummy);
break;
case FP_RM:
ieee_flags("set", "direction", "negative", &dummy);
break;
case FP_RP:
ieee_flags("set", "direction", "positive", &dummy);
break;
case FP_RZ:
ieee_flags("set", "direction", "tozero", &dummy);
break;
default:
break;
}
return old;
}
fp_except
_DEFUN_VOID(fpgetmask)
{
char *out;
int r = 0;
int i = ieee_flags("get","exception","",&out);
if (i & 1) r |= FP_X_IMP;
if (i & 2) r |= FP_X_DX;
if (i & 4) r |= FP_X_UFL;
if (i & 8) r |= FP_X_OFL;
if (i & 16) r |= FP_X_INV;
return r;
}
fp_except
_DEFUN(fpsetmask,(mask),
fp_except mask)
{
fp_except old = fpgetmask();
char *out;
ieee_flags("clear","exception", "all", &out);
if (mask & FP_X_IMP)
ieee_flags("set","exception","inexact", &out);
if (mask & FP_X_DX)
ieee_flags("set","exception","division", &out);
if (mask & FP_X_UFL)
ieee_flags("set","exception","underflow", &out);
if (mask & FP_X_OFL)
ieee_flags("set","exception","overflow", &out);
if (mask & FP_X_INV)
ieee_flags("set","exception","invalid", &out);
return old;
}
fp_except
_DEFUN(fpsetsticky,(mask),
fp_except mask)
{
return fpsetmask(mask);
}
fp_except
_DEFUN_VOID(fpgetsticky)
{
return fpgetmask();
}
int
_DEFUN(fpsetroundtoi,(rdi_mode),
fp_rdi rdi_mode)
{
return 0;
}
int
_DEFUN_VOID(fpgetroundtoi)
{
return 0;
}
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