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e42a38dd9d
The patch increase the high value to check if expl overflows. Current high mark value is not really correct, the algorithm accepts high values. It also adds a correct wrapper function to check for overflow and underflow.
25 lines
646 B
C
25 lines
646 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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static const long double o_thres = 709.78271289338399678773454114191496482L;
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static const long double u_thres = -744.44007192138126231410729844608163411L;
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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 (__finitel(x))
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{
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if (x >= o_thres)
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return __kernel_standard_l(x,x,206); /* exp overflow */
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else if (x <= u_thres)
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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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