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40 /* PROLOG END TAG zYx */
41 #ifdef __SPU__
42
43 #ifndef _LDEXPF4_H_
44 #define _LDEXPF4_H_ 1
45
46 #include <spu_intrinsics.h>
47 #include "scalbnf4.h"
48
49 /*
50 * FUNCTION
51 * vector float _ldexpf4(vector float x, vector signed int exp)
52 *
53 * DESCRIPTION
54 * The _ldexpf4 function returns a vector containing each element of x
55 * multiplied by 2^exp computed efficiently. This function is computed
56 * without the assistance of any floating point operations and as such
57 * does not set any floating point exceptions.
58 *
59 * RETURNS
60 * - if the exponent of x is 0, then x is either 0 or a subnormal,
61 * and the result will be returned as 0.
62 * - if the result if underflows, it will be returned as 0.
63 * - if the result overflows, it will be returned as FLT_MAX.
64 *
65 */
_ldexpf4(vector float x,vector signed int exp)66 static __inline vector float _ldexpf4(vector float x, vector signed int exp)
67 {
68 return _scalbnf4(x, exp);
69 }
70
71 #endif /* _LDEXPF4_H_ */
72 #endif /* __SPU__ */
73
