MATHLIB_div_scalar.h

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/* ======================================================================== *
 * MATHLIB -- TI Floating-Point Math Function Library                       *
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/* ======================================================================= */
/* MATHLIB_div_scalar.h - single precision floating point division         */
/*              optimized inlined C implementation (w/ intrinsics)         */
/* ======================================================================= */
 
#ifndef MATHLIB_DIV_SCALAR_H_
#define MATHLIB_DIV_SCALAR_H_ 1
 
#include <c6x_migration.h>
 
static inline float MATHLIB_div_scalar(float a, float b);
 
#ifndef __cplusplus /* FOR PROTECTION PURPOSE - C++ NOT SUPPORTED. */
#pragma CODE_SECTION(MATHLIB_div_scalar, ".text:optci");
#endif
 
static inline float MATHLIB_div_scalar(float a, float b)
{
   float TWO  = 2.0f;
   float Maxe = 3.402823466E+38f;
   float X;
 
   X = _rcpsp(b);
   X = X * (TWO - (b * X));
   X = X * (TWO - (b * X));
   X = a * X;
 
   if (a == 0.0f) {
      X = 0.0f;
   }
 
   if ((_fabsf(b) > Maxe) && (_fabs(a) <= Maxe)) {
      X = 0.0f;
   }
 
   return (X);
}
 
#endif
 
/* ======================================================================== */
/*  End of file: MATHLIB_div_scalar.h                                                  */
/* ======================================================================== */