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
set to
native
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Property svn:keywords
set to
Id
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Property svn:mime-type
set to
text/x-csrc
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File size:
186 bytes
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Line | |
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1 | #include <math.h>
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2 | #include <stdint.h>
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3 |
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4 | float copysignf(float x, float y)
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5 | {
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6 | union {float f; uint32_t i;} ux={x}, uy={y};
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7 | ux.i &= 0x7fffffff;
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8 | ux.i |= uy.i & 0x80000000;
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9 | return ux.f;
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10 | }
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