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-rw-r--r--src/elementaryFunctions/cos/ccoss.c14
-rw-r--r--src/elementaryFunctions/cos/zcoss.c14
2 files changed, 22 insertions, 6 deletions
diff --git a/src/elementaryFunctions/cos/ccoss.c b/src/elementaryFunctions/cos/ccoss.c
index 79c18fb4..91a822fa 100644
--- a/src/elementaryFunctions/cos/ccoss.c
+++ b/src/elementaryFunctions/cos/ccoss.c
@@ -5,14 +5,22 @@
** Made by Bruno JOFRET <bruno.jofret@inria.fr>
**
** Started on Thu Dec 7 12:04:28 2006 jofret
-** Last update Wed Jan 31 10:19:53 2007 jofret
+** Last update Mon Feb 5 17:24:00 2007 jofret
**
** Copyright INRIA 2006
*/
#include "floatComplex.h"
+float scoss(float);
+float scoshs(float);
+float ssins(float);
+float ssinhs(float);
+
floatComplex ccoss(floatComplex z) {
- /* FIXME: Dummy... */
- return z;
+ float real = creal(z);
+ float imag = cimag(z);
+
+ return FloatComplex(scoss(real) * scoshs(imag),
+ -ssins(real) * ssinhs(imag));
}
diff --git a/src/elementaryFunctions/cos/zcoss.c b/src/elementaryFunctions/cos/zcoss.c
index f12391de..c5fe96bc 100644
--- a/src/elementaryFunctions/cos/zcoss.c
+++ b/src/elementaryFunctions/cos/zcoss.c
@@ -5,14 +5,22 @@
** Made by Bruno JOFRET <bruno.jofret@inria.fr>
**
** Started on Thu Dec 7 12:05:48 2006 jofret
-** Last update Wed Jan 31 10:19:12 2007 jofret
+** Last update Mon Feb 5 17:25:27 2007 jofret
**
** Copyright INRIA 2006
*/
#include "doubleComplex.h"
+double dcoss(double);
+double dcoshs(double);
+double dsins(double);
+double dsinhs(double);
+
doubleComplex zcoss(doubleComplex z) {
- /* FIXME: Dummy... */
- return (DoubleComplex(0,1));
+ double real = creal(z);
+ double imag = cimag(z);
+
+ return DoubleComplex(dcoss(real) * dcoshs(imag),
+ -dsins(real) * dsinhs(imag));
}