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6c9678ebd4
The ldbl-128ibm expl wrapper checks the argument to determine when to call __kernel_standard_l, thereby overriding overflowing results from __ieee754_expl that could otherwise (given appropriately patched libgcc) be correct for the rounding mode. This patch changes it to check the result of __ieee754_expl instead, as other versions of this wrapper do. Tested for powerpc. [BZ #19078] * sysdeps/ieee754/ldbl-128ibm/w_expl.c (o_thres): Remove variable. (u_thres): Likewise. (__expl): Determine whether to call __kernel_standard_l based on value of result, not argument.
22 lines
487 B
C
22 lines
487 B
C
#include <math.h>
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#include <math_private.h>
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#include <math_ldbl_opt.h>
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long double __expl(long double x) /* wrapper exp */
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{
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long double z;
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z = __ieee754_expl(x);
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if (_LIB_VERSION == _IEEE_)
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return z;
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if (isfinite(x))
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{
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if (!isfinite (z))
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return __kernel_standard_l(x,x,206); /* exp overflow */
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else if (z == 0.0L)
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return __kernel_standard_l(x,x,207); /* exp underflow */
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}
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return z;
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}
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hidden_def (__expl)
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long_double_symbol (libm, __expl, expl);
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