Adding Log Interface.

Needed by TAN for Complex numbers.

1 files changed, 76 insertions, 0 deletions

diff --git a/src/elementaryFunctions/includes/log.h b/src/elementaryFunctions/includes/log.h
new file mode 100644
index 00000000..0af03ad1
--- /dev/null
+++ b/src/elementaryFunctions/includes/log.h
@@ -0,0 +1,76 @@
+/*
+**  -*- C -*-
+**
+** log.h
+** Made by  Bruno JOFRET <bruno.jofret@inria.fr>
+**
+** Started on  Thu Mar 22 08:52:36 2007 jofret
+** Last update Thu Mar 22 08:54:04 2007 jofret
+**
+** Copyright INRIA 2007
+*/
+
+#include "floatComplex.h"
+#include "doubleComplex.h"
+
+/*
+** Compute Logarithm for different types .
+*/
+
+/*
+** \brief Float Logarithm function
+** \param in : input value.
+*/
+float		slogs(float in);
+
+/*
+** \brief Double Logarithm function
+** \param in : input value.
+*/
+double		dlogs(double in);
+
+/*
+** \brief Float Complex Logarithm function
+** \param in : input value.
+*/
+floatComplex	clogs(floatComplex in);
+
+/*
+** \brief Double Complex Logarithm function
+** \param in : input value.
+*/
+doubleComplex	zlogs(doubleComplex in);
+
+/*
+** \brief Float Matrix Logarithm function
+** \param in : input array value.
+** \param out : output array value.
+** \param size : the size of in and out arrays.
+*/
+void		sloga(float* in, float* out, int size);
+
+/*
+** \brief Double Matrix Logarithm function
+** \param in : input array value.
+** \param out : output array value.
+** \param size : the size of in and out arrays.
+*/
+void		dloga(double* in, double* out, int size);
+
+/*
+** \brief Float Complex Matrix Logarithm function
+** \param in : input array value.
+** \param out : output array value.
+** \param size : the size of in and out arrays.
+*/
+void		cloga(floatComplex* in, floatComplex* out, int size);
+
+/*
+** \brief Double Complex Matrix Logarithm function
+** \param in : input array value.
+** \param out : output array value.
+** \param size : the size of in and out arrays.
+*/
+void		zloga(doubleComplex* in, doubleComplex* out, int size);
+
+