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17 lines
329 B
C
17 lines
329 B
C
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#include "libm.h"
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#if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
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long double complex cacosl(long double complex z)
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{
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return cacos(z);
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}
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#else
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// FIXME
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#define PI_2 1.57079632679489661923132169163975144L
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long double complex cacosl(long double complex z)
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{
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z = casinl(z);
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return cpackl(PI_2 - creall(z), -cimagl(z));
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}
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#endif
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