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-rw-r--r--src/math/exp.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/math/exp.c b/src/math/exp.c
index c1c9a63c..a538b8cd 100644
--- a/src/math/exp.c
+++ b/src/math/exp.c
@@ -90,7 +90,7 @@ P3 = 6.61375632143793436117e-05, /* 0x3F11566A, 0xAF25DE2C */
P4 = -1.65339022054652515390e-06, /* 0xBEBBBD41, 0xC5D26BF1 */
P5 = 4.13813679705723846039e-08; /* 0x3E663769, 0x72BEA4D0 */
-static volatile double
+static const volatile double
twom1000 = 9.33263618503218878990e-302; /* 2**-1000=0x01700000,0 */
double exp(double x)