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authorDanny Smith <dannysmith@users.sourceforge.net>2004-12-25 23:56:19 +0000
committerDanny Smith <dannysmith@users.sourceforge.net>2004-12-25 23:56:19 +0000
commit9a3412eea8a2aa2daafa031f2e94f7049c1de202 (patch)
tree1552eee2b8273a45c572c248f5fdd6ef93185850 /winsup/mingw/mingwex/complex/ccosf.c
parentc98b30eadcd911512c4d48f8c529c499724a0161 (diff)
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* mingwex/complex/(cabsf.c cacosf.c cacoshf.c cargf.c casinf.c
casinhf.c catanf.c catanhf.c ccosf.c ccoshf.c cexpf.c cimagf.c clogf.c cpowf.c cprojf.c crealf.c csinf.c csinhf.c csqrtf.c ctanf.c ctanhf.c): New files. * mingwex/Makefile.in (COMPLEX_DISTFILES): Adjust. (COMPLEX_OBJS(: Adjust. * include/complex.h (cabsf, cacosf, cacoshf, cargf, casinf. casinhf, catanf, catanhf, ccosf, ccoshf, cexpf, cimagf, clogf, cpowf, cprojf, crealf, csinf, csinhf, csqrtf, ctanf, ctanhf): Declare.
Diffstat (limited to 'winsup/mingw/mingwex/complex/ccosf.c')
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diff --git a/winsup/mingw/mingwex/complex/ccosf.c b/winsup/mingw/mingwex/complex/ccosf.c
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+++ b/winsup/mingw/mingwex/complex/ccosf.c
@@ -0,0 +1,20 @@
+/*
+ ccosf.c
+ Contributed by Danny Smith
+ 2003-12-24
+*/
+
+#include <math.h>
+#include <complex.h>
+
+/* ccos (x + I * y) = cos (x) * cosh (y)
+ + I * (sin (x) * sinh (y)) */
+
+
+float complex ccosf (float complex Z)
+{
+ float complex Res;
+ __real__ Res = cosf (__real__ Z) * coshf ( __imag__ Z);
+ __imag__ Res = -sinf (__real__ Z) * sinhf ( __imag__ Z);
+ return Res;
+}