20 lines
367 B
C
20 lines
367 B
C
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/*
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cexp.c
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Contributed by Danny Smith
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2003-10-20
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*/
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#include <math.h>
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#include <complex.h>
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/* cexp (x + I * y) = exp (x) * cos (y) + I * exp (x) * sin (y) */
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double complex cexp (double complex Z)
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{
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double complex Res;
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long double rho = exp (__real__ Z);
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__real__ Res = rho * cos(__imag__ Z);
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__imag__ Res = rho * sin(__imag__ Z);
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return Res;
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}
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