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-rw-r--r--unittest/mksine.c78
1 files changed, 39 insertions, 39 deletions
diff --git a/unittest/mksine.c b/unittest/mksine.c
index fb5f822..a77830c 100644
--- a/unittest/mksine.c
+++ b/unittest/mksine.c
@@ -7,48 +7,48 @@
*/
#include <assert.h>
-#include <stdlib.h>
+#include <errno.h>
+#include <math.h>
#include <stdio.h>
+#include <stdlib.h>
#include <string.h>
-#include <math.h>
-#include <errno.h>
-#define TWO_PI 6.283185307
-#define FS 8000.0
+#define TWO_PI 6.283185307
+#define FS 8000.0
int main(int argc, char *argv[]) {
- FILE *f;
- int i,n;
- float freq, length;
- short *buf;
- float amp = 1E4;
-
- if (argc < 4) {
- printf("usage: %s outputFile frequencyHz lengthSecs [PeakAmp]\n", argv[0]);
- exit(1);
- }
-
- if (strcmp(argv[1], "-") == 0) {
- f = stdout;
- } else if ( (f = fopen(argv[1],"wb")) == NULL ) {
- fprintf(stderr, "Error opening output file: %s: %s.\n", argv[3], strerror(errno));
- exit(1);
- }
- freq = atof(argv[2]);
- length = atof(argv[3]);
- if (argc == 5) amp = atof(argv[4]);
-
- n = length*FS;
- buf = (short*)malloc(sizeof(short)*n);
- assert(buf != NULL);
-
- for(i=0; i<n; i++)
- buf[i] = amp*cos(freq*i*(TWO_PI/FS));
-
- fwrite(buf, sizeof(short), n, f);
-
- fclose(f);
- free(buf);
-
- return 0;
+ FILE *f;
+ int i, n;
+ float freq, length;
+ short *buf;
+ float amp = 1E4;
+
+ if (argc < 4) {
+ printf("usage: %s outputFile frequencyHz lengthSecs [PeakAmp]\n", argv[0]);
+ exit(1);
+ }
+
+ if (strcmp(argv[1], "-") == 0) {
+ f = stdout;
+ } else if ((f = fopen(argv[1], "wb")) == NULL) {
+ fprintf(stderr, "Error opening output file: %s: %s.\n", argv[3],
+ strerror(errno));
+ exit(1);
+ }
+ freq = atof(argv[2]);
+ length = atof(argv[3]);
+ if (argc == 5) amp = atof(argv[4]);
+
+ n = length * FS;
+ buf = (short *)malloc(sizeof(short) * n);
+ assert(buf != NULL);
+
+ for (i = 0; i < n; i++) buf[i] = amp * cos(freq * i * (TWO_PI / FS));
+
+ fwrite(buf, sizeof(short), n, f);
+
+ fclose(f);
+ free(buf);
+
+ return 0;
}