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authorColin Snover2016-11-25 12:24:08 -0600
committerColin Snover2016-11-25 12:24:08 -0600
commitdf4a503622a524ad8ef47e1c325ac4a711549921 (patch)
tree29ac9e6d51fd4cd17e4ebe9d1f66ff93abd0cd9d /audio/softsynth/mt32/mmath.h
parentb4dbd6d3c275097b4be964b7da4478ff930cbaa7 (diff)
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Revert "MT32: Update Munt to 2.0.0"
This reverts commit b4dbd6d3c275097b4be964b7da4478ff930cbaa7.
Diffstat (limited to 'audio/softsynth/mt32/mmath.h')
-rw-r--r--audio/softsynth/mt32/mmath.h15
1 files changed, 10 insertions, 5 deletions
diff --git a/audio/softsynth/mt32/mmath.h b/audio/softsynth/mt32/mmath.h
index f233bedcbb..602242e74f 100644
--- a/audio/softsynth/mt32/mmath.h
+++ b/audio/softsynth/mt32/mmath.h
@@ -1,5 +1,5 @@
/* Copyright (C) 2003, 2004, 2005, 2006, 2008, 2009 Dean Beeler, Jerome Fisher
- * Copyright (C) 2011-2016 Dean Beeler, Jerome Fisher, Sergey V. Mikayev
+ * Copyright (C) 2011, 2012, 2013, 2014 Dean Beeler, Jerome Fisher, Sergey V. Mikayev
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
@@ -18,7 +18,12 @@
#ifndef MT32EMU_MMATH_H
#define MT32EMU_MMATH_H
-#include <cmath>
+#define FIXEDPOINT_UDIV(x, y, point) (((x) << (point)) / ((y)))
+#define FIXEDPOINT_SDIV(x, y, point) (((x) * (1 << point)) / ((y)))
+#define FIXEDPOINT_UMULT(x, y, point) (((x) * (y)) >> point)
+#define FIXEDPOINT_SMULT(x, y, point) (((x) * (y)) / (1 << point))
+
+#define FIXEDPOINT_MAKE(x, point) ((Bit32u)((1 << point) * x))
namespace MT32Emu {
@@ -41,7 +46,7 @@ static inline float EXPF(float x) {
static inline float EXP2F(float x) {
#ifdef __APPLE__
// on OSX exp2f() is 1.59 times faster than "exp() and the multiplication with FLOAT_LN_2"
- return exp2f(x);
+ return exp2(x);
#else
return exp(FLOAT_LN_2 * x);
#endif
@@ -63,6 +68,6 @@ static inline float LOG10F(float x) {
return log10(x);
}
-} // namespace MT32Emu
+}
-#endif // #ifndef MT32EMU_MMATH_H
+#endif