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gr_sincos.h File Reference

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Defines

#define __GR_MATH_INLINE   extern __inline
#define __sincos_code

Functions

__GR_MATH_INLINE void __sincos (double __x, double *__sinx, double *__cosx) __THROW
__GR_MATH_INLINE void __sincosf (float __x, float *__sinx, float *__cosx) __THROW
__GR_MATH_INLINE void __sincosl (long double __x, long double *__sinx, long double *__cosx) __THROW


Define Documentation

#define __GR_MATH_INLINE   extern __inline
 

#define __sincos_code
 

Value:

register long double __cosr; \ register long double __sinr; \ __asm __volatile__ \ ("fsincos\n\t" \ "fnstsw %%ax\n\t" \ "testl $0x400, %%eax\n\t" \ "jz 1f\n\t" \ "fldpi\n\t" \ "fadd %%st(0)\n\t" \ "fxch %%st(1)\n\t" \ "2: fprem1\n\t" \ "fnstsw %%ax\n\t" \ "testl $0x400, %%eax\n\t" \ "jnz 2b\n\t" \ "fstp %%st(1)\n\t" \ "fsincos\n\t" \ "1:" \ : "=t" (__cosr), "=u" (__sinr) : "0" (__x)); \ *__sinx = __sinr; \ *__cosx = __cosr


Function Documentation

__GR_MATH_INLINE void __sincos double  __x,
double *  __sinx,
double *  __cosx
 

__GR_MATH_INLINE void __sincosf float  __x,
float *  __sinx,
float *  __cosx
 

__GR_MATH_INLINE void __sincosl long double  __x,
long double *  __sinx,
long double *  __cosx
 


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