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glibc  2.9
Functions
feholdexcpt.c File Reference
#include <fenv.h>
#include <fpu_control.h>

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Functions

int feholdexcept (fenv_t *envp)

Function Documentation

int feholdexcept ( fenv_t envp)

Definition at line 25 of file feholdexcpt.c.

{
  fpu_control_t cw;

  /* Save the current state.  */
  _FPU_GETCW (cw);
  envp->__fp_control_register = cw;

  /* Clear all exception enable bits and flags.  */
  cw &= ~(_FPU_MASK_V|_FPU_MASK_Z|_FPU_MASK_O|_FPU_MASK_U|_FPU_MASK_I|FE_ALL_EXCEPT);
  _FPU_SETCW (cw);

  return 0;
}