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Side by Side Diff: fusl/src/math/logbl.c

Issue 1573973002: Add a "fork" of musl as //fusl. (Closed) Base URL: https://github.com/domokit/mojo.git@master
Patch Set: Created 4 years, 11 months ago
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1 #include <math.h>
2 #if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
3 long double logbl(long double x)
4 {
5 return logb(x);
6 }
7 #else
8 long double logbl(long double x)
9 {
10 if (!isfinite(x))
11 return x * x;
12 if (x == 0)
13 return -1/(x*x);
14 return ilogbl(x);
15 }
16 #endif
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