From 1b77b9072f374bd26eb0574b83a0d5f18d75ec60 Mon Sep 17 00:00:00 2001
From: Szabolcs Nagy <nsz@port70.net>
Date: Thu, 15 Aug 2013 10:07:46 +0000
Subject: math: minor scalbn*.c simplification

---
 src/math/scalbn.c  | 12 ++++--------
 src/math/scalbnf.c | 12 ++++--------
 src/math/scalbnl.c |  4 ++--
 3 files changed, 10 insertions(+), 18 deletions(-)

(limited to 'src')

diff --git a/src/math/scalbn.c b/src/math/scalbn.c
index 003141e3..1fec432f 100644
--- a/src/math/scalbn.c
+++ b/src/math/scalbn.c
@@ -10,10 +10,8 @@ double scalbn(double x, int n)
 		if (n > 1023) {
 			x *= 0x1p1023;
 			n -= 1023;
-			if (n > 1023) {
-				STRICT_ASSIGN(double, x, x * 0x1p1023);
-				return x;
-			}
+			if (n > 1023)
+				n = 1023;
 		}
 	} else if (n < -1022) {
 		x *= 0x1p-1022;
@@ -21,10 +19,8 @@ double scalbn(double x, int n)
 		if (n < -1022) {
 			x *= 0x1p-1022;
 			n += 1022;
-			if (n < -1022) {
-				STRICT_ASSIGN(double, x, x * 0x1p-1022);
-				return x;
-			}
+			if (n < -1022)
+				n = -1022;
 		}
 	}
 	INSERT_WORDS(scale, (uint32_t)(0x3ff+n)<<20, 0);
diff --git a/src/math/scalbnf.c b/src/math/scalbnf.c
index f94b5d59..c0eeaf84 100644
--- a/src/math/scalbnf.c
+++ b/src/math/scalbnf.c
@@ -10,10 +10,8 @@ float scalbnf(float x, int n)
 		if (n > 127) {
 			x *= 0x1p127f;
 			n -= 127;
-			if (n > 127) {
-				STRICT_ASSIGN(float, x, x * 0x1p127f);
-				return x;
-			}
+			if (n > 127)
+				n = 127;
 		}
 	} else if (n < -126) {
 		x *= 0x1p-126f;
@@ -21,10 +19,8 @@ float scalbnf(float x, int n)
 		if (n < -126) {
 			x *= 0x1p-126f;
 			n += 126;
-			if (n < -126) {
-				STRICT_ASSIGN(float, x, x * 0x1p-126f);
-				return x;
-			}
+			if (n < -126)
+				n = -126;
 		}
 	}
 	SET_FLOAT_WORD(scale, (uint32_t)(0x7f+n)<<23);
diff --git a/src/math/scalbnl.c b/src/math/scalbnl.c
index c605b8da..7ad7688b 100644
--- a/src/math/scalbnl.c
+++ b/src/math/scalbnl.c
@@ -17,7 +17,7 @@ long double scalbnl(long double x, int n)
 			x *= 0x1p16383L;
 			n -= 16383;
 			if (n > 16383)
-				return x * 0x1p16383L;
+				n = 16383;
 		}
 	} else if (n < -16382) {
 		x *= 0x1p-16382L;
@@ -26,7 +26,7 @@ long double scalbnl(long double x, int n)
 			x *= 0x1p-16382L;
 			n += 16382;
 			if (n < -16382)
-				return x * 0x1p-16382L;
+				n = -16382;
 		}
 	}
 	scale.e = 1.0;
-- 
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