# HG changeset patch
# User Chris Cannam
# Date 1151338081 0
# Node ID 514ebb0c5c6c2a9eaa74c33ebff15283b5429a6c
# Parent  68ff162fdbc339f6fa1b5e0fea7f2e330e421acf
* add mod/modf and princarg/princargf to system header (for now)

diff -r 68ff162fdbc3 -r 514ebb0c5c6c base/System.cpp
--- a/base/System.cpp	Mon Jun 26 16:07:31 2006 +0000
+++ b/base/System.cpp	Mon Jun 26 16:08:01 2006 +0000
@@ -70,3 +70,9 @@
 #endif
 }
 
+double mod(double x, double y) { return x - (y * floor(x / y)); }
+float modf(float x, float y) { return x - (y * floorf(x / y)); }
+
+double princarg(double a) { return mod(a + M_PI, -2 * M_PI) + M_PI; }
+float princargf(float a) { return modf(a + M_PI, -2 * M_PI) + M_PI; }
+
diff -r 68ff162fdbc3 -r 514ebb0c5c6c base/System.h
--- a/base/System.h	Mon Jun 26 16:07:31 2006 +0000
+++ b/base/System.h	Mon Jun 26 16:08:01 2006 +0000
@@ -75,6 +75,14 @@
 enum ProcessStatus { ProcessRunning, ProcessNotRunning, UnknownProcessStatus };
 extern ProcessStatus GetProcessStatus(int pid);
 
+#include <cmath>
+
+extern double mod(double x, double y);
+extern float modf(float x, float y);
+
+extern double princarg(double a);
+extern float princargf(float a);
+
 #endif /* ! _SYSTEM_H_ */