Header File 

float.h  

Category 

Math Routines 

Prototype 

void _fpreset(void); 

Description 

Reinitializes floating-point math package. 

_fpreset reinitializes the floating-point math package. This function is usually used in conjunction with system or the exec... or spawn... functions. It is also used to recover from floating-point errors before calling longjmp.

• If you use an 80x87 take the following precautions:
• Do not call system or an exec... or spawn... function while a floating-point expression is being evaluated.

Call _fpreset to reset the floating-point state after using system exec... or spawn... if there is any chance that the child process performed a floating-point operation with the 80x87. 

Return Value 

None. 

Portability