cannam@126: /* cannam@126: ** Copyright (c) 2003-2016, Erik de Castro Lopo cannam@126: ** All rights reserved. cannam@126: ** cannam@126: ** This code is released under 2-clause BSD license. Please see the cannam@126: ** file at : https://github.com/erikd/libsamplerate/blob/master/COPYING cannam@126: */ cannam@126: cannam@126: #include cannam@126: #include cannam@126: #include cannam@126: cannam@126: #include cannam@126: cannam@126: #include "util.h" cannam@126: cannam@126: #define BUFFER_LEN 10000 cannam@126: cannam@126: static void float_to_short_test (void) ; cannam@126: static void short_to_float_test (void) ; cannam@126: cannam@126: static void float_to_int_test (void) ; cannam@126: static void int_to_float_test (void) ; cannam@126: cannam@126: int cannam@126: main (void) cannam@126: { cannam@126: puts ("") ; cannam@126: cannam@126: float_to_short_test () ; cannam@126: short_to_float_test () ; cannam@126: cannam@126: float_to_int_test () ; cannam@126: int_to_float_test () ; cannam@126: cannam@126: puts ("") ; cannam@126: cannam@126: return 0 ; cannam@126: } /* main */ cannam@126: cannam@126: /*===================================================================================== cannam@126: */ cannam@126: cannam@126: static void cannam@126: float_to_short_test (void) cannam@126: { cannam@126: static float fpos [] = cannam@126: { 0.95, 0.99, 1.0, 1.01, 1.1, 2.0, 11.1, 111.1, 2222.2, 33333.3 cannam@126: } ; cannam@126: static float fneg [] = cannam@126: { -0.95, -0.99, -1.0, -1.01, -1.1, -2.0, -11.1, -111.1, -2222.2, -33333.3 cannam@126: } ; cannam@126: cannam@126: static short out [MAX (ARRAY_LEN (fpos), ARRAY_LEN (fneg))] ; cannam@126: cannam@126: int k ; cannam@126: cannam@126: printf ("\tfloat_to_short_test ............................. ") ; cannam@126: cannam@126: src_float_to_short_array (fpos, out, ARRAY_LEN (fpos)) ; cannam@126: cannam@126: for (k = 0 ; k < ARRAY_LEN (fpos) ; k++) cannam@126: if (out [k] < 30000) cannam@126: { printf ("\n\n\tLine %d : out [%d] == %d\n", __LINE__, k, out [k]) ; cannam@126: exit (1) ; cannam@126: } ; cannam@126: cannam@126: src_float_to_short_array (fneg, out, ARRAY_LEN (fneg)) ; cannam@126: cannam@126: for (k = 0 ; k < ARRAY_LEN (fneg) ; k++) cannam@126: if (out [k] > -30000) cannam@126: { printf ("\n\n\tLine %d : out [%d] == %d\n", __LINE__, k, out [k]) ; cannam@126: exit (1) ; cannam@126: } ; cannam@126: cannam@126: puts ("ok") ; cannam@126: cannam@126: return ; cannam@126: } /* float_to_short_test */ cannam@126: cannam@126: /*------------------------------------------------------------------------------------- cannam@126: */ cannam@126: cannam@126: static void cannam@126: short_to_float_test (void) cannam@126: { cannam@126: static short input [BUFFER_LEN] ; cannam@126: static short output [BUFFER_LEN] ; cannam@126: static float temp [BUFFER_LEN] ; cannam@126: cannam@126: int k ; cannam@126: cannam@126: printf ("\tshort_to_float_test ............................. ") ; cannam@126: cannam@126: for (k = 0 ; k < ARRAY_LEN (input) ; k++) cannam@126: input [k] = (k * 0x8000) / ARRAY_LEN (input) ; cannam@126: cannam@126: src_short_to_float_array (input, temp, ARRAY_LEN (temp)) ; cannam@126: src_float_to_short_array (temp, output, ARRAY_LEN (output)) ; cannam@126: cannam@126: for (k = 0 ; k < ARRAY_LEN (input) ; k++) cannam@126: if (ABS (input [k] - output [k]) > 0) cannam@126: { printf ("\n\n\tLine %d : index %d %d -> %d\n", __LINE__, k, input [k], output [k]) ; cannam@126: exit (1) ; cannam@126: } ; cannam@126: cannam@126: puts ("ok") ; cannam@126: cannam@126: return ; cannam@126: } /* short_to_float_test */ cannam@126: cannam@126: /*===================================================================================== cannam@126: */ cannam@126: cannam@126: static void cannam@126: float_to_int_test (void) cannam@126: { cannam@126: static float fpos [] = cannam@126: { 0.95, 0.99, 1.0, 1.01, 1.1, 2.0, 11.1, 111.1, 2222.2, 33333.3 cannam@126: } ; cannam@126: static float fneg [] = cannam@126: { -0.95, -0.99, -1.0, -1.01, -1.1, -2.0, -11.1, -111.1, -2222.2, -33333.3 cannam@126: } ; cannam@126: cannam@126: static int out [MAX (ARRAY_LEN (fpos), ARRAY_LEN (fneg))] ; cannam@126: cannam@126: int k ; cannam@126: cannam@126: printf ("\tfloat_to_int_test ............................... ") ; cannam@126: cannam@126: src_float_to_int_array (fpos, out, ARRAY_LEN (fpos)) ; cannam@126: cannam@126: for (k = 0 ; k < ARRAY_LEN (fpos) ; k++) cannam@126: if (out [k] < 30000 * 0x10000) cannam@126: { printf ("\n\n\tLine %d : out [%d] == %d\n", __LINE__, k, out [k]) ; cannam@126: exit (1) ; cannam@126: } ; cannam@126: cannam@126: src_float_to_int_array (fneg, out, ARRAY_LEN (fneg)) ; cannam@126: cannam@126: for (k = 0 ; k < ARRAY_LEN (fneg) ; k++) cannam@126: if (out [k] > -30000 * 0x1000) cannam@126: { printf ("\n\n\tLine %d : out [%d] == %d\n", __LINE__, k, out [k]) ; cannam@126: exit (1) ; cannam@126: } ; cannam@126: cannam@126: puts ("ok") ; cannam@126: cannam@126: return ; cannam@126: } /* float_to_int_test */ cannam@126: cannam@126: /*------------------------------------------------------------------------------------- cannam@126: */ cannam@126: cannam@126: static void cannam@126: int_to_float_test (void) cannam@126: { cannam@126: static int input [BUFFER_LEN] ; cannam@126: static int output [BUFFER_LEN] ; cannam@126: static float temp [BUFFER_LEN] ; cannam@126: cannam@126: int k ; cannam@126: cannam@126: printf ("\tint_to_float_test ............................... ") ; cannam@126: cannam@126: for (k = 0 ; k < ARRAY_LEN (input) ; k++) cannam@126: input [k] = (k * 0x80000000) / ARRAY_LEN (input) ; cannam@126: cannam@126: src_int_to_float_array (input, temp, ARRAY_LEN (temp)) ; cannam@126: src_float_to_int_array (temp, output, ARRAY_LEN (output)) ; cannam@126: cannam@126: for (k = 0 ; k < ARRAY_LEN (input) ; k++) cannam@126: if (ABS (input [k] - output [k]) > 0) cannam@126: { printf ("\n\n\tLine %d : index %d %d -> %d\n", __LINE__, k, input [k], output [k]) ; cannam@126: exit (1) ; cannam@126: } ; cannam@126: cannam@126: puts ("ok") ; cannam@126: cannam@126: return ; cannam@126: } /* int_to_float_test */ cannam@126: