Last change
on this file since 388 was 388, checked in by coas-nagasima, 5 years ago |
Azure IoT Hub Device C SDK を使ったサンプルの追加
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Property svn:eol-style
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native
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Property svn:keywords
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Id
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Property svn:mime-type
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text/x-csrc
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File size:
266 bytes
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[388] | 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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