5 files changed, 8 insertions(+), 6 deletions(-)

M libnpe/_main.c
M libnpe/_npe.h
M libnpe/exp2.c
M libnpe/log2.c
M libnpe_sdl2/audio.c

@@ 15,8 15,6 @@ npe_threadexit(int x)
 void
 threadmain(int argc, char *argv[])
 {
-	setfcr(getfcr() & ~(FPINVAL|FPOVFL));
-
 	exit = npe_threadexit;
 
 	argv0 = *argv; /* for sdl to set at least some kind of label */

@@ 1,3 1,2 @@
-#define ln2o1 1.4426950408889634073599
 #define hugeF 3.4028234e+38
 #define hugeD 1.79769313486231e+308

@@ 4,5 4,8 @@
 double
 exp2(double x)
 {
-	return exp(x/ln2o1);
+	static double ln2c = 0.0;
+	if(ln2c == 0.0)
+		ln2c = log(2.0);
+	return exp(x*ln2c);
 }

@@ 4,12 4,15 @@
 double
 log2(double x)
 {
+	static double ln2c = 0.0;
 	if(x == 0)
 		return -hugeD;
 	if(x < 0 || isNaN(x))
 		return NaN();
+	if(ln2c == 0.0)
+		ln2c = log(2.0);
 
-	return log(x)*ln2o1;
+	return log(x)/ln2c;
 }
 
 float

@@ 201,7 201,6 @@ SDL_OpenAudioDevice(char *dev, int rec, SDL_AudioSpec *want, SDL_AudioSpec *have
 			dup(p[0], rec ? 1 : 0); close(p[0]);
 			close(p[1]);
 			//close(2);
-			setfcr(FPPDBL|FPRNR|FPINVAL|FPZDIV|FPOVFL);
 			if(execl("/bin/audio/pcmconv", "pcmconv", rec ? "-o" : "-i", spec, nil) != 0)
 				exits("%r");
 		}else if(a->pidconv < 0){