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| author | Anthony Blake <anthonix@me.com> | 2013-01-07 15:17:01 +1300 |
|---|---|---|
| committer | Anthony Blake <anthonix@me.com> | 2013-01-07 15:17:01 +1300 |
| commit | 593b97ffea2c2a65f3d5b157815ccf8632719811 (patch) | |
| tree | b38ed1605ca18a596552506a3b66971c99440eca /tests | |
| parent | 0a61891c85de1c26881ebc555dadbcebb9665417 (diff) | |
| download | ffts-593b97ffea2c2a65f3d5b157815ccf8632719811.zip ffts-593b97ffea2c2a65f3d5b157815ccf8632719811.tar.gz | |
Android doesn't have long double math functions
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/test.c | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/tests/test.c b/tests/test.c index 326e7e2..31437ac 100644 --- a/tests/test.c +++ b/tests/test.c @@ -44,11 +44,26 @@ #define PI 3.1415926535897932384626433832795028841971693993751058209 float impulse_error(int N, int sign, float *data) { +#ifdef __ANDROID__ + double delta_sum = 0.0f; + double sum = 0.0f; +#else long double delta_sum = 0.0f; long double sum = 0.0f; +#endif int i; for(i=0;i<N;i++) { +#ifdef __ANDROID__ + double re, im; + if(sign < 0) { + re = cos(2 * PI * (double)i / (double)N); + im = -sin(2 * PI * (double)i / (double)N); + }else{ + re = cos(2 * PI * (double)i / (double)N); + im = sin(2 * PI * (double)i / (double)N); + } +#else long double re, im; if(sign < 0) { re = cosl(2 * PI * (long double)i / (long double)N); @@ -57,7 +72,7 @@ float impulse_error(int N, int sign, float *data) { re = cosl(2 * PI * (long double)i / (long double)N); im = sinl(2 * PI * (long double)i / (long double)N); } - +#endif sum += re * re + im * im; re = re - data[2*i]; @@ -66,8 +81,11 @@ float impulse_error(int N, int sign, float *data) { delta_sum += re * re + im * im; } - +#ifdef __ANDROID__ + return sqrt(delta_sum) / sqrt(sum); +#else return sqrtl(delta_sum) / sqrtl(sum); +#endif } int |
