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/* libSoX test code copyright (c) 2006 robs@users.sourceforge.net
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* |
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* This program is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License as published by the |
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* Free Software Foundation; either version 2 of the License, or (at your |
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* option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, but |
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* WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General |
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* Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License along |
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* with this program; if not, write to the Free Software Foundation, Inc., |
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
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*/ |
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#ifdef NDEBUG /* Enable assert always. */ |
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#undef NDEBUG /* Must undef above assert.h or other that might include it. */ |
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#endif |
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#include <assert.h> |
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#include <math.h> |
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#include "sox.h" |
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#define TEST_UINT(bits) \ |
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uint##bits = 0; \
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sample = SOX_UNSIGNED_TO_SAMPLE(bits,uint##bits); \
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assert(sample == SOX_SAMPLE_MIN); \
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uint##bits = SOX_SAMPLE_TO_UNSIGNED(bits,sample, clips); \
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assert(uint##bits == 0 && clips == 0); \
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\
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uint##bits = 1; \
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sample = SOX_UNSIGNED_TO_SAMPLE(bits,uint##bits); \
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assert(sample > SOX_SAMPLE_MIN && sample < 0); \
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uint##bits = SOX_SAMPLE_TO_UNSIGNED(bits,sample, clips); \
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assert(uint##bits == 1 && clips == 0); \
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\
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uint##bits = SOX_INT_MAX(bits); \
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sample = SOX_UNSIGNED_TO_SAMPLE(bits,uint##bits); \
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assert(sample * SOX_INT_MAX(bits) == SOX_UNSIGNED_TO_SAMPLE(bits,1)); \
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uint##bits = SOX_SAMPLE_TO_UNSIGNED(bits,sample, clips); \
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assert(uint##bits == SOX_INT_MAX(bits) && clips == 0); \
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\
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sample =SOX_UNSIGNED_TO_SAMPLE(bits,1)+SOX_UNSIGNED_TO_SAMPLE(bits,SOX_INT_MAX(bits))/2; \
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uint##bits = SOX_SAMPLE_TO_UNSIGNED(bits,sample, clips); \
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assert(uint##bits == 1 && clips == 0); \
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\
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sample = SOX_UNSIGNED_TO_SAMPLE(bits,1)+SOX_UNSIGNED_TO_SAMPLE(bits,SOX_INT_MAX(bits))/2-1; \
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uint##bits = SOX_SAMPLE_TO_UNSIGNED(bits,sample, clips); \
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assert(uint##bits == 0 && clips == 0); \
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\
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uint##bits = (0^SOX_INT_MIN(bits)); \
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sample = SOX_UNSIGNED_TO_SAMPLE(bits,uint##bits); \
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assert(sample == 0); \
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uint##bits = SOX_SAMPLE_TO_UNSIGNED(bits,sample, clips); \
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assert(uint##bits == (0^SOX_INT_MIN(bits)) && clips == 0); \
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\
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uint##bits = ((0^SOX_INT_MIN(bits))+1); \
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sample = SOX_UNSIGNED_TO_SAMPLE(bits,uint##bits); \
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assert(sample > 0 && sample < SOX_SAMPLE_MAX); \
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uint##bits = SOX_SAMPLE_TO_UNSIGNED(bits,sample, clips); \
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assert(uint##bits == ((0^SOX_INT_MIN(bits))+1) && clips == 0); \
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\
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uint##bits = SOX_UINT_MAX(bits); \
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sample = SOX_UNSIGNED_TO_SAMPLE(bits,uint##bits); \
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assert(sample == SOX_INT_MAX(bits) * SOX_UNSIGNED_TO_SAMPLE(bits,((0^SOX_INT_MIN(bits))+1))); \
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uint##bits = SOX_SAMPLE_TO_UNSIGNED(bits,sample, clips); \
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assert(uint##bits == SOX_UINT_MAX(bits) && clips == 0); \
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\
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sample =SOX_UNSIGNED_TO_SAMPLE(bits,SOX_UINT_MAX(bits))+SOX_UNSIGNED_TO_SAMPLE(bits,((0^SOX_INT_MIN(bits))+1))/2-1; \
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uint##bits = SOX_SAMPLE_TO_UNSIGNED(bits,sample, clips); \
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assert(uint##bits == SOX_UINT_MAX(bits) && clips == 0); \
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\
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sample = SOX_UNSIGNED_TO_SAMPLE(bits,SOX_UINT_MAX(bits))+SOX_UNSIGNED_TO_SAMPLE(bits,((0^SOX_INT_MIN(bits))+1))/2; \
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uint##bits = SOX_SAMPLE_TO_UNSIGNED(bits,sample, clips); \
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assert(uint##bits == SOX_UINT_MAX(bits) && --clips == 0); \
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\
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sample = SOX_SAMPLE_MAX; \
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uint##bits = SOX_SAMPLE_TO_UNSIGNED(bits,sample, clips); \
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assert(uint##bits == SOX_UINT_MAX(bits) && --clips == 0); \
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#define TEST_SINT(bits) \ |
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int##bits = SOX_INT_MIN(bits); \
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sample = SOX_SIGNED_TO_SAMPLE(bits,int##bits); \
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assert(sample == SOX_SAMPLE_MIN); \
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int##bits##_2 = SOX_SAMPLE_TO_SIGNED(bits,sample, clips); \
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assert(int##bits##_2 == int##bits && clips == 0); \
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\
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int##bits = SOX_INT_MIN(bits)+1; \
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sample = SOX_SIGNED_TO_SAMPLE(bits,int##bits); \
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assert(sample > SOX_SAMPLE_MIN && sample < 0); \
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int##bits##_2 = SOX_SAMPLE_TO_SIGNED(bits,sample, clips); \
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assert(int##bits##_2 == int##bits && clips == 0); \
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\
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int##bits = SOX_UINT_MAX(bits) /* i.e. -1 */; \
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sample = SOX_SIGNED_TO_SAMPLE(bits,int##bits); \
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assert(sample * SOX_INT_MAX(bits) == SOX_SIGNED_TO_SAMPLE(bits,SOX_INT_MIN(bits)+1)); \
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int##bits##_2 = SOX_SAMPLE_TO_SIGNED(bits,sample, clips); \
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assert(int##bits##_2 == int##bits && clips == 0); \
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\
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int##bits = SOX_INT_MIN(bits)+1; \
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sample =SOX_UNSIGNED_TO_SAMPLE(bits,1)+SOX_UNSIGNED_TO_SAMPLE(bits,SOX_INT_MAX(bits))/2; \
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int##bits##_2 = SOX_SAMPLE_TO_SIGNED(bits,sample, clips); \
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assert(int##bits##_2 == int##bits && clips == 0); \
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\
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int##bits = SOX_INT_MIN(bits); \
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sample = SOX_UNSIGNED_TO_SAMPLE(bits,1)+SOX_UNSIGNED_TO_SAMPLE(bits,SOX_INT_MAX(bits))/2-1; \
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int##bits##_2 = SOX_SAMPLE_TO_SIGNED(bits,sample, clips); \
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assert(int##bits##_2 == int##bits && clips == 0); \
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\
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int##bits = 0; \
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sample = SOX_SIGNED_TO_SAMPLE(bits,int##bits); \
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assert(sample == 0); \
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int##bits##_2 = SOX_SAMPLE_TO_SIGNED(bits,sample, clips); \
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assert(int##bits##_2 == int##bits && clips == 0); \
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\
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int##bits = 1; \
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sample = SOX_SIGNED_TO_SAMPLE(bits,int##bits); \
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assert(sample > 0 && sample < SOX_SAMPLE_MAX); \
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int##bits##_2 = SOX_SAMPLE_TO_SIGNED(bits,sample, clips); \
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assert(int##bits##_2 == int##bits && clips == 0); \
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\
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int##bits = SOX_INT_MAX(bits); \
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sample = SOX_SIGNED_TO_SAMPLE(bits,int##bits); \
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assert(sample == SOX_INT_MAX(bits) * SOX_SIGNED_TO_SAMPLE(bits,1)); \
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int##bits##_2 = SOX_SAMPLE_TO_SIGNED(bits,sample, clips); \
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assert(int##bits##_2 == int##bits && clips == 0); \
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\
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sample =SOX_UNSIGNED_TO_SAMPLE(bits,SOX_UINT_MAX(bits))+SOX_UNSIGNED_TO_SAMPLE(bits,((0^SOX_INT_MIN(bits))+1))/2-1; \
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int##bits##_2 = SOX_SAMPLE_TO_SIGNED(bits,sample, clips); \
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assert(int##bits##_2 == int##bits && clips == 0); \
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\
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sample =SOX_UNSIGNED_TO_SAMPLE(bits,SOX_UINT_MAX(bits))+SOX_UNSIGNED_TO_SAMPLE(bits,((0^SOX_INT_MIN(bits))+1))/2; \
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int##bits##_2 = SOX_SAMPLE_TO_SIGNED(bits,sample, clips); \
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assert(int##bits##_2 == int##bits && --clips == 0); \
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\
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sample = SOX_SAMPLE_MAX; \
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int##bits##_2 = SOX_SAMPLE_TO_SIGNED(bits,sample, clips); \
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assert(int##bits##_2 == int##bits && --clips == 0); |
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int main(void) |
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{ |
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sox_int8_t int8; |
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sox_int16_t int16; |
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sox_int24_t int24; |
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sox_uint8_t uint8; |
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sox_uint16_t uint16; |
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sox_uint24_t uint24; |
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sox_int8_t int8_2; |
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sox_int16_t int16_2; |
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sox_int24_t int24_2; |
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sox_sample_t sample; |
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size_t clips = 0; |
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double d; |
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SOX_SAMPLE_LOCALS; |
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TEST_UINT(8) |
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TEST_UINT(16) |
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TEST_UINT(24) |
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TEST_SINT(8) |
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TEST_SINT(16) |
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TEST_SINT(24) |
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d = -1.000000001; |
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sample = SOX_FLOAT_64BIT_TO_SAMPLE(d, clips); |
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assert(sample == SOX_SAMPLE_MIN && --clips == 0); |
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d = -1; |
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sample = SOX_FLOAT_64BIT_TO_SAMPLE(d, clips); |
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assert(sample == SOX_SAMPLE_MIN && clips == 0); |
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d = SOX_SAMPLE_TO_FLOAT_64BIT(sample,clips); |
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assert(d == -1 && clips == 0); |
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d = 1; |
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sample = SOX_FLOAT_64BIT_TO_SAMPLE(d, clips); |
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assert(sample == SOX_SAMPLE_MAX && clips == 0); |
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d = SOX_SAMPLE_TO_FLOAT_64BIT(sample,clips); |
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assert(fabs(d - 1) < 1e-9 && clips == 0); |
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d = 1.0000000001; |
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sample = SOX_FLOAT_64BIT_TO_SAMPLE(d, clips); |
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assert(sample == SOX_SAMPLE_MAX && --clips == 0); |
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return 0; |
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} |
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