2 files changed, 22 insertions, 1 deletions
diff --git a/lib/libm/nearbyintf.c b/lib/libm/nearbyintf.c
new file mode 100644
index 000000000..1c3545945
--- /dev/null
+++ b/lib/libm/nearbyintf.c
@@ -0,0 +1,21 @@
+// adapted from the rintf() function from musl-1.1.16
+
+#include "libm.h"
+
+float nearbyintf(float x)
+{
+	union {float f; uint32_t i;} u = {x};
+	int e = u.i>>23 & 0xff;
+	int s = u.i>>31;
+	float_t y;
+
+	if (e >= 0x7f+23)
+		return x;
+	if (s)
+		y = x - 0x1p23f + 0x1p23f;
+	else
+		y = x + 0x1p23f - 0x1p23f;
+	if (y == 0)
+		return s ? -0.0f : 0.0f;
+	return y;
+}
diff --git a/lib/libm/sf_ldexp.c b/lib/libm/sf_ldexp.c
index 32a134eea..a0941df9f 100644
--- a/lib/libm/sf_ldexp.c
+++ b/lib/libm/sf_ldexp.c
@@ -32,7 +32,7 @@
 	float value; int exp;
 #endif
 {
-	if(!finitef(value)||value==(float)0.0) return value;
+	if(!isfinite(value)||value==(float)0.0) return value;
 	value = scalbnf(value,exp);
 	//if(!finitef(value)||value==(float)0.0) errno = ERANGE;
 	return value;