24 lines
466 B
C
24 lines
466 B
C
/*
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* wrapper exp2(x)
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*/
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#include <math.h>
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#include <math_private.h>
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double
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__exp2 (double x)
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{
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double z = __ieee754_exp2 (x);
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if (__builtin_expect (!isfinite (z) || z == 0, 0)
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&& isfinite (x) && _LIB_VERSION != _IEEE_)
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/* exp2 overflow: 44, exp2 underflow: 45 */
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return __kernel_standard (x, x, 44 + !!signbit (x));
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return z;
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}
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weak_alias (__exp2, exp2)
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#ifdef NO_LONG_DOUBLE
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strong_alias (__exp2, __exp2l)
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weak_alias (__exp2, exp2l)
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#endif
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