Last change
on this file since 377 was 352, checked in by coas-nagasima, 6 years ago |
arm向けASP3版ECNLを追加
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Property svn:eol-style
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native
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Property svn:mime-type
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File size:
266 bytes
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1 | #include "libm.h"
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2 |
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3 | // FIXME: Hull et al. "Implementing the complex arcsine and arccosine functions using exception handling" 1997
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4 |
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5 | /* acos(z) = pi/2 - asin(z) */
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6 |
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7 | double complex cacos(double complex z)
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8 | {
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9 | z = casin(z);
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10 | return CMPLX(M_PI_2 - creal(z), -cimag(z));
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11 | }
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