Add SQRT column

glguida · glguida · commit 3b08cc36296f · 2020-05-14T21:37:10.000+01:00
diff --git a/Makefile b/Makefile
@@ -4,4 +4,4 @@ genrom: genrom.c
 
 
 raw2plot: raw2plot.c
-
+	$(CC) $< -o $@ -lm
diff --git a/raw2plot.c b/raw2plot.c
@@ -8,6 +8,7 @@
 
 #include <stdio.h>
 #include <stdlib.h>
+#include <math.h>
 
 FILE *in, *out;
 
@@ -33,12 +34,12 @@ static void print(float n)
   ssize_t r;
   float f;
 
-  fprintf(out, "#sample out env\n");
+  fprintf(out, "#sample out env sqrt(env)\n");
   i = 0;
   while ((r = fread(&f, sizeof(float), 1, in)) == 1)
     {
       float e = env(f)/n;
-      fprintf(out, "%ld %f %f\n", i++, f, e);
+      fprintf(out, "%ld %f %f %f\n", i++, f, e, sqrtf(e));
     }
 }
 

Original file line number	Diff line number	Diff line change
`@@ -8,6 +8,7 @@`
`8`	`8`
`9`	`9`	`#include <stdio.h>`
`10`	`10`	`#include <stdlib.h>`
	`11`	`+#include <math.h>`
`11`	`12`
`12`	`13`	`FILE in, out;`
`13`	`14`
`@@ -33,12 +34,12 @@ static void print(float n)`
`33`	`34`	`ssize_t r;`
`34`	`35`	`float f;`
`35`	`36`
`36`		`- fprintf(out, "#sample out env\n");`
	`37`	`+ fprintf(out, "#sample out env sqrt(env)\n");`
`37`	`38`	`i = 0;`
`38`	`39`	`while ((r = fread(&f, sizeof(float), 1, in)) == 1)`
`39`	`40`	`{`
`40`	`41`	`float e = env(f)/n;`
`41`		`- fprintf(out, "%ld %f %f\n", i++, f, e);`
	`42`	`+ fprintf(out, "%ld %f %f %f\n", i++, f, e, sqrtf(e));`
`42`	`43`	`}`
`43`	`44`	`}`
`44`	`45`