20 lines
387 B
C
20 lines
387 B
C
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/*
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cexpl.c
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Contributed by Danny Smith
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2005-01-04
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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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long double complex cexpl (long double complex Z)
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{
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long double complex Res;
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long double rho = expl (__real__ Z);
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__real__ Res = rho * cosl(__imag__ Z);
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__imag__ Res = rho * sinl(__imag__ Z);
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return Res;
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}
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