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add legacy sys/ttydefaults.h header
[oweals/musl.git]
/
src
/
math
/
fdiml.c
1
#include <math.h>
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#include <float.h>
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#if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
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long double fdiml(long double x, long double y)
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{
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return fdim(x, y);
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}
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#else
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long double fdiml(long double x, long double y)
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{
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if (isnan(x))
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return x;
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if (isnan(y))
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return y;
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return x > y ? x - y : 0;
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}
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#endif