X-Git-Url: https://git.reactos.org/?p=reactos.git;a=blobdiff_plain;f=reactos%2Flib%2F3rdparty%2Ffreetype%2Fsrc%2Ftools%2Ftest_trig.c;fp=reactos%2Flib%2F3rdparty%2Ffreetype%2Fsrc%2Ftools%2Ftest_trig.c;h=0000000000000000000000000000000000000000;hp=99ac1cf174d98cc4553cb389f58ce79d4e072f62;hb=08a0346e9f1cf3b50370b9274e6d15d5ebb5a34d;hpb=e85488750c2530ced69d5ac35016aa978bbc9a1b

diff --git a/reactos/lib/3rdparty/freetype/src/tools/test_trig.c b/reactos/lib/3rdparty/freetype/src/tools/test_trig.c
deleted file mode 100644
index 99ac1cf174d..00000000000
--- a/reactos/lib/3rdparty/freetype/src/tools/test_trig.c
+++ /dev/null
@@ -1,258 +0,0 @@
-#include <ft2build.h>
-#include FT_FREETYPE_H
-#include FT_TRIGONOMETRY_H
-
-#include <math.h>
-#include <stdio.h>
-
-#define  PI   3.14159265358979323846
-#define  SPI  (PI/FT_ANGLE_PI)
-
-/* the precision in 16.16 fixed-point checks. Expect between 2 and 5 */
-/* noise LSB bits during operations, due to rounding errors..        */
-#define  THRESHOLD  64
-
-  static  error = 0;
-
-  static void
-  test_cos( void )
-  {
-    int  i;
-
-
-    for ( i = 0; i < FT_ANGLE_2PI; i += 0x10000L )
-    {
-      FT_Fixed  f1, f2;
-      double    d2;
-
-
-      f1 = FT_Cos(i);
-      d2 = cos( i*SPI );
-      f2 = (FT_Fixed)(d2*65536.0);
-
-      if ( abs( f2-f1 ) > THRESHOLD )
-      {
-        error = 1;
-        printf( "FT_Cos[%3d] = %.7f  cos[%3d] = %.7f\n",
-                (i >> 16), f1/65536.0, (i >> 16), d2 );
-      }
-    }
-  }
-
-
-  static void
-  test_sin( void )
-  {
-    int  i;
-
-
-    for ( i = 0; i < FT_ANGLE_2PI; i += 0x10000L )
-    {
-      FT_Fixed  f1, f2;
-      double    d2;
-
-
-      f1 = FT_Sin(i);
-      d2 = sin( i*SPI );
-      f2 = (FT_Fixed)(d2*65536.0);
-
-      if ( abs( f2-f1 ) > THRESHOLD )
-      {
-        error = 1;
-        printf( "FT_Sin[%3d] = %.7f  sin[%3d] = %.7f\n",
-                (i >> 16), f1/65536.0, (i >> 16), d2 );
-      }
-    }
-  }
-
-
-  static void
-  test_tan( void )
-  {
-    int  i;
-
-
-    for ( i = 0; i < FT_ANGLE_PI2 - 0x2000000L; i += 0x10000L )
-    {
-      FT_Fixed  f1, f2;
-      double    d2;
-
-
-      f1 = FT_Tan(i);
-      d2 = tan( i*SPI );
-      f2 = (FT_Fixed)(d2*65536.0);
-
-      if ( abs( f2-f1 ) > THRESHOLD )
-      {
-        error = 1;
-        printf( "FT_Tan[%3d] = %.7f  tan[%3d] = %.7f\n",
-                (i >> 16), f1/65536.0, (i >> 16), d2 );
-      }
-    }
-  }
-
-
-  static void
-  test_atan2( void )
-  {
-    int  i;
-
-
-    for ( i = 0; i < FT_ANGLE_2PI; i += 0x10000L )
-    {
-      FT_Fixed  c2, s2;
-      double    l, a, c1, s1;
-      int       j;
-
-
-      l  = 5.0;
-      a  = i*SPI;
-
-      c1 = l * cos(a);
-      s1 = l * sin(a);
-
-      c2 = (FT_Fixed)(c1*65536.0);
-      s2 = (FT_Fixed)(s1*65536.0);
-
-      j  = FT_Atan2( c2, s2 );
-      if ( j < 0 )
-        j += FT_ANGLE_2PI;
-
-      if ( abs( i - j ) > 1 )
-      {
-        printf( "FT_Atan2( %.7f, %.7f ) = %.5f, atan = %.5f\n",
-                c2/65536.0, s2/65536.0, j/65536.0, i/65536.0 );
-      }
-    }
-  }
-
-
-  static void
-  test_unit( void )
-  {
-    int  i;
-
-
-    for ( i = 0; i < FT_ANGLE_2PI; i += 0x10000L )
-    {
-      FT_Vector  v;
-      double     a, c1, s1;
-      FT_Fixed   c2, s2;
-
-
-      FT_Vector_Unit( &v, i );
-      a  = ( i*SPI );
-      c1 = cos(a);
-      s1 = sin(a);
-      c2 = (FT_Fixed)(c1*65536.0);
-      s2 = (FT_Fixed)(s1*65536.0);
-
-      if ( abs( v.x-c2 ) > THRESHOLD ||
-           abs( v.y-s2 ) > THRESHOLD )
-      {
-        error = 1;
-        printf( "FT_Vector_Unit[%3d] = ( %.7f, %.7f )  vec = ( %.7f, %.7f )\n",
-                (i >> 16),
-                v.x/65536.0, v.y/65536.0,
-                c1, s1 );
-      }
-    }
-  }
-
-
-  static void
-  test_length( void )
-  {
-    int  i;
-
-
-    for ( i = 0; i < FT_ANGLE_2PI; i += 0x10000L )
-    {
-      FT_Vector  v;
-      FT_Fixed   l, l2;
-
-
-      l   = (FT_Fixed)(500.0*65536.0);
-      v.x = (FT_Fixed)( l * cos( i*SPI ) );
-      v.y = (FT_Fixed)( l * sin( i*SPI ) );
-      l2  = FT_Vector_Length( &v );
-
-      if ( abs( l2-l ) > THRESHOLD )
-      {
-        error = 1;
-        printf( "FT_Length( %.7f, %.7f ) = %.5f, length = %.5f\n",
-                v.x/65536.0, v.y/65536.0, l2/65536.0, l/65536.0 );
-      }
-    }
-  }
-
-
-  static void
-  test_rotate( void )
-  {
-    int  rotate;
-
-
-    for ( rotate = 0; rotate < FT_ANGLE_2PI; rotate += 0x10000L )
-    {
-      double  ra, cra, sra;
-      int     i;
-
-
-      ra  = rotate*SPI;
-      cra = cos( ra );
-      sra = sin( ra );
-
-      for ( i = 0; i < FT_ANGLE_2PI; i += 0x10000L )
-      {
-        FT_Fixed   c2, s2, c4, s4;
-        FT_Vector  v;
-        double     l, a, c1, s1, c3, s3;
-
-
-        l  = 500.0;
-        a  = i*SPI;
-
-        c1 = l * cos(a);
-        s1 = l * sin(a);
-
-        v.x = c2 = (FT_Fixed)(c1*65536.0);
-        v.y = s2 = (FT_Fixed)(s1*65536.0);
-
-        FT_Vector_Rotate( &v, rotate );
-
-        c3 = c1 * cra - s1 * sra;
-        s3 = c1 * sra + s1 * cra;
-
-        c4 = (FT_Fixed)(c3*65536.0);
-        s4 = (FT_Fixed)(s3*65536.0);
-
-        if ( abs( c4 - v.x ) > THRESHOLD ||
-             abs( s4 - v.y ) > THRESHOLD )
-        {
-          error = 1;
-          printf( "FT_Rotate( (%.7f,%.7f), %.5f ) = ( %.7f, %.7f ), rot = ( %.7f, %.7f )\n",
-                  c1, s1, ra,
-                  c2/65536.0, s2/65536.0,
-                  c4/65536.0, s4/65536.0 );
-        }
-      }
-    }
-  }
-
-
-  int main( void )
-  {
-    test_cos();
-    test_sin();
-    test_tan();
-    test_atan2();
-    test_unit();
-    test_length();
-    test_rotate();
-
-    if (!error)
-      printf( "trigonometry test ok !\n" );
-
-    return !error;
-  }