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-rw-r--r--libtommath/bn_mp_sqrt.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/libtommath/bn_mp_sqrt.c b/libtommath/bn_mp_sqrt.c
index 4481d3a..dcf28fd 100644
--- a/libtommath/bn_mp_sqrt.c
+++ b/libtommath/bn_mp_sqrt.c
@@ -4,6 +4,7 @@
/* SPDX-License-Identifier: Unlicense */
#ifndef NO_FLOATING_POINT
+#include <float.h>
#include <math.h>
#if (MP_DIGIT_BIT != 28) || (FLT_RADIX != 2) || (DBL_MANT_DIG != 53) || (DBL_MAX_EXP != 1024)
#define NO_FLOATING_POINT