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annotate src/build-msvctools/compat/cexp.c @ 3061:f8299bb6c872

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Initial support for native MSVC compilation. * add MSVC support files: compiler wrappers and support libraries * adapt libiconv to work with MSVC * adapt gettext to work with MSVC
author Michael Goffioul <michael.goffioul@gmail.com>
date Mon, 17 Jun 2013 22:43:11 -0400
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3061
f8299bb6c872 Initial support for native MSVC compilation.
Michael Goffioul <michael.goffioul@gmail.com>
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1 /*
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2 cexp.c
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3 Contributed by Danny Smith
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4 2003-10-20
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5 */
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6
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7 #include <math.h>
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8 #include <complex.h>
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9
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10 /* cexp (x + I * y) = exp (x) * cos (y) + I * exp (x) * sin (y) */
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11
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12 double complex cexp (double complex Z)
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13 {
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14 double complex Res;
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15 long double rho = exp (__real__ Z);
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16 __real__ Res = rho * cos(__imag__ Z);
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17 __imag__ Res = rho * sin(__imag__ Z);
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18 return Res;
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19 }