38 lines
596 B
C
Executable File
38 lines
596 B
C
Executable File
/*
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cacoshf.c
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Contributed by Danny Smith
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2004-12-24
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*/
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#include <math.h>
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#include <complex.h>
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#if 0
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/* cacoshf (z) = I * cacos (z) */
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float complex cacosh (float complex Z)
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{
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float complex Tmp;
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float complex Res;
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Tmp = cacosf (Z);
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__real__ Res = -__imag__ Tmp;
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__imag__ Res = __real__ Tmp;
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return Res;
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}
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#else
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/* cacosh (z) = I * cacos (z) = I * (pi/2 - casin (z)) */
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float complex cacoshf (float complex Z)
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{
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float complex Tmp;
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float complex Res;
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Tmp = casinf (Z);
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__real__ Res = __imag__ Tmp;
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__imag__ Res = M_PI_2 - __real__ Tmp;
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return Res;
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}
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#endif
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