1creal(3M) Mathematical Library Functions creal(3M)
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6 creal, crealf, creall - complex real functions
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9 c99 [ flag... ] file... -lm [ library... ]
10 #include <complex.h>
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12 double creal(double complex z);
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15 float crealf(float complex z);
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18 long double creall(long double complex z);
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22 These functions compute the real part of z.
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25 These functions return the real part value.
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28 No errors are defined.
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31 For a variable z of complex type:
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33 z == creal(z) + cimag(z)*I
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37 See attributes(5) for descriptions of the following attributes:
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42 ┌─────────────────────────────┬─────────────────────────────┐
43 │ ATTRIBUTE TYPE │ ATTRIBUTE VALUE │
44 ├─────────────────────────────┼─────────────────────────────┤
45 │Interface Stability │Standard │
46 ├─────────────────────────────┼─────────────────────────────┤
47 │MT-Level │MT-Safe │
48 └─────────────────────────────┴─────────────────────────────┘
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51 carg(3M), cimag(3M), complex.h(3HEAD), conj(3M), cproj(3M),
52 attributes(5), standards(5)
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56SunOS 5.11 12 Jul 2006 creal(3M)