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add __sigsetjmp ABI-compat alias for sigsetjmp
[oweals/musl.git]
/
src
/
math
/
logbl.c
1
#include <math.h>
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#if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
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long double logbl(long double x)
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{
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return logb(x);
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}
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#else
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long double logbl(long double x)
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{
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if (!isfinite(x))
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return x * x;
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if (x == 0)
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return -1/(x*x);
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return ilogbl(x);
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}
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#endif