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authorPeter Collingbourne <peter@pcc.me.uk>2012-05-29 00:42:29 +0000
committerPeter Collingbourne <peter@pcc.me.uk>2012-05-29 00:42:29 +0000
commit39a6da01aa22695d690177600f41448342345c6a (patch)
tree945e79ed96d85a8f0e682e1b40d6db1e7847a913 /generic/include
parent2f74bd866fc11c18779922f2f4d748bffeded153 (diff)
Implement exp, exp2, log, log2, native_exp, native_exp2, native_log,
native_log2. Patch by Joshua Cranmer! git-svn-id: https://llvm.org/svn/llvm-project/libclc/trunk@157598 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'generic/include')
-rw-r--r--generic/include/clc/clc.h8
-rw-r--r--generic/include/clc/math/exp.h4
-rw-r--r--generic/include/clc/math/exp2.h6
-rw-r--r--generic/include/clc/math/log.h4
-rw-r--r--generic/include/clc/math/log2.h6
-rw-r--r--generic/include/clc/math/native_exp.h1
-rw-r--r--generic/include/clc/math/native_exp2.h1
-rw-r--r--generic/include/clc/math/native_log.h1
-rw-r--r--generic/include/clc/math/native_log2.h1
9 files changed, 32 insertions, 0 deletions
diff --git a/generic/include/clc/clc.h b/generic/include/clc/clc.h
index 72e2f23..0e640ba 100644
--- a/generic/include/clc/clc.h
+++ b/generic/include/clc/clc.h
@@ -33,11 +33,19 @@
/* 6.11.2 Math Functions */
#include <clc/math/cos.h>
+#include <clc/math/exp.h>
+#include <clc/math/exp2.h>
#include <clc/math/fabs.h>
+#include <clc/math/log.h>
+#include <clc/math/log2.h>
#include <clc/math/sin.h>
#include <clc/math/sqrt.h>
#include <clc/math/native_cos.h>
#include <clc/math/native_divide.h>
+#include <clc/math/native_exp.h>
+#include <clc/math/native_exp2.h>
+#include <clc/math/native_log.h>
+#include <clc/math/native_log2.h>
#include <clc/math/native_sin.h>
#include <clc/math/native_sqrt.h>
diff --git a/generic/include/clc/math/exp.h b/generic/include/clc/math/exp.h
new file mode 100644
index 0000000..dbc4b84
--- /dev/null
+++ b/generic/include/clc/math/exp.h
@@ -0,0 +1,4 @@
+#undef exp
+
+// exp(x) = exp2(x * log2(e)
+#define exp(val) (__clc_exp2((val) * 1.44269504f))
diff --git a/generic/include/clc/math/exp2.h b/generic/include/clc/math/exp2.h
new file mode 100644
index 0000000..fe91633
--- /dev/null
+++ b/generic/include/clc/math/exp2.h
@@ -0,0 +1,6 @@
+#undef exp2
+#define exp2 __clc_exp2
+
+#define FUNCTION __clc_exp2
+#define INTRINSIC "llvm.exp2"
+#include <clc/math/unary_intrin.inc>
diff --git a/generic/include/clc/math/log.h b/generic/include/clc/math/log.h
new file mode 100644
index 0000000..644f857
--- /dev/null
+++ b/generic/include/clc/math/log.h
@@ -0,0 +1,4 @@
+#undef log
+
+// log(x) = log2(x) * (1/log2(e))
+#define log(val) (__clc_log2(val) * 0.693147181f)
diff --git a/generic/include/clc/math/log2.h b/generic/include/clc/math/log2.h
new file mode 100644
index 0000000..d8a8842
--- /dev/null
+++ b/generic/include/clc/math/log2.h
@@ -0,0 +1,6 @@
+#undef log2
+#define log2 __clc_log2
+
+#define FUNCTION __clc_log2
+#define INTRINSIC "llvm.log2"
+#include <clc/math/unary_intrin.inc>
diff --git a/generic/include/clc/math/native_exp.h b/generic/include/clc/math/native_exp.h
new file mode 100644
index 0000000..e206de6
--- /dev/null
+++ b/generic/include/clc/math/native_exp.h
@@ -0,0 +1 @@
+#define native_exp exp
diff --git a/generic/include/clc/math/native_exp2.h b/generic/include/clc/math/native_exp2.h
new file mode 100644
index 0000000..b675939
--- /dev/null
+++ b/generic/include/clc/math/native_exp2.h
@@ -0,0 +1 @@
+#define native_exp2 exp2
diff --git a/generic/include/clc/math/native_log.h b/generic/include/clc/math/native_log.h
new file mode 100644
index 0000000..7805a39
--- /dev/null
+++ b/generic/include/clc/math/native_log.h
@@ -0,0 +1 @@
+#define native_log log
diff --git a/generic/include/clc/math/native_log2.h b/generic/include/clc/math/native_log2.h
new file mode 100644
index 0000000..0c692ee
--- /dev/null
+++ b/generic/include/clc/math/native_log2.h
@@ -0,0 +1 @@
+#define native_log2 log2