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branch update for HEAD-2003021201
[reactos.git]
/
lib
/
msvcrt
/
math
/
atan2.c
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#include <msvcrt/math.h>
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double atan2 (double __y, double __x);
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double atan2 (double __y, double __x)
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{
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register double __value;
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#ifdef __GNUC__
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__asm __volatile__
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("fpatan\n\t"
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"fld %%st(0)"
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: "=t" (__value) : "0" (__x), "u" (__y));
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#else
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__value = linkme_atan2(__x, __y);
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#endif /*__GNUC__*/
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return __value;
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}