BUG: NPY_LOGE2 is log(2)

ewmoore · ewmoore · commit d504ea18ed73 · 2014-02-26T18:11:27.000-05:00
diff --git a/numpy/core/test_c99complex.c b/numpy/core/test_c99complex.c
@@ -16,7 +16,7 @@
 #define FMT "%.8e"
 #define NPY_PI_2 1.570796326794896619231321691639751442f
 #define NPY_PI 3.141592653589793238462643383279502884f
-#define NPY_LOG2E 1.442695040888963407359924681001892137f
+#define NPY_LOGE2 0.693147180559945309417232121458176568f
 #define NPY_SQRT2 1.414213562373095048801688724209698079f
 #else
 #ifdef DOUBLE
@@ -28,7 +28,7 @@
 #define FMT "%.16e"
 #define NPY_PI_2 1.570796326794896619231321691639751442
 #define NPY_PI 3.141592653589793238462643383279502884 
-#define NPY_LOG2E 1.442695040888963407359924681001892137
+#define NPY_LOGE2 0.693147180559945309417232121458176568
 #define NPY_SQRT2 1.414213562373095048801688724209698079
 #else
 #ifdef LONGDOUBLE
@@ -40,7 +40,7 @@
 #define FMT "%.18Le"
 #define NPY_PI_2 1.570796326794896619231321691639751442L
 #define NPY_PI 3.141592653589793238462643383279502884L 
-#define NPY_LOG2E 1.442695040888963407359924681001892137L
+#define NPY_LOGE2 0.693147180559945309417232121458176568L
 #define NPY_SQRT2 1.414213562373095048801688724209698079L
 #else
 #error "Define FLOAT or DOUBLE or LONGDOUBLE"
@@ -1452,7 +1452,7 @@ int test_cpow()
     TEST_CPOW_CC(0, 1, 3, 0, 0, -1);
 
     TEST_CPOW_CC(2, 0, 1, 0, 2, 0);
-    TEST_CPOW_CC(2, 0, 0, 1, ADDSUFFIX(cos)(NPY_LOG2E), ADDSUFFIX(sin)(NPY_LOG2E));
+    TEST_CPOW_CC(2, 0, 0, 1, ADDSUFFIX(cos)(NPY_LOGE2), ADDSUFFIX(sin)(NPY_LOGE2));
     TEST_CPOW_CC(2, 0, 2, 0, 4, 0);
     TEST_CPOW_CC(2, 0, 3, 0, 8, 0);
 
