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fixing bug in complex exp function

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Alex Shinn 2012-03-25 10:32:24 +09:00
parent 8f69961832
commit 886d47c27b
1 changed files with 3 additions and 3 deletions
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6
opt/bignum.c
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@ -687,13 +687,13 @@ static sexp sexp_to_complex (sexp ctx, sexp x) {
}
sexp sexp_complex_exp (sexp ctx, sexp z) {
double x = sexp_to_double(sexp_complex_real(z)),
double e2x = exp(sexp_to_double(sexp_complex_real(z))),
y = sexp_to_double(sexp_complex_imag(z));
sexp_gc_var1(res);
sexp_gc_preserve1(ctx, res);
res = sexp_make_complex(ctx, SEXP_ZERO, SEXP_ZERO);
sexp_complex_real(res) = sexp_make_flonum(ctx, exp(x)*cos(y));
sexp_complex_imag(res) = sexp_make_flonum(ctx, sin(y));
sexp_complex_real(res) = sexp_make_flonum(ctx, e2x*cos(y));
sexp_complex_imag(res) = sexp_make_flonum(ctx, e2x*sin(y));
sexp_gc_release1(ctx);
return res;
}