Required Floating Point C Run-Time Library Functions
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8/27/2008
This topic lists the floating point C run-time functions that you must include when implementing a replacement floating point C run-time library. For more information about these functions, see Floating-Point Support.
| Programming Element | Description |
|---|---|
unsigned int _clearfp(void) |
Gets and clears the floating-point status word. |
unsigned int _controlfp (unsigned int, unsigned int) |
Gets and sets the floating-point status word. |
int _fpieee_flt(__in unsigned long _ExceptionCode, __in struct _EXCEPTION_POINTERS* _PtExceptionPtr, __in int (*_Handler)(_FPIEEE_RECORD*)) |
Invokes an user-defined trap handlet for IEEE floating-point exceptions. |
void _fpreset(void) |
Resets the floating-point package. |
double _frnd(__in double _X) |
Rounds a floating point value to an integer value using the current rounding mode. |
unsigned int _statusfp (void) |
Gets the floating point status word. |