Safe Haskell | None |
---|---|
Language | Haskell2010 |
- gl_ARB_fragment_program :: Bool
- glBindProgramARB :: MonadIO m => GLenum -> GLuint -> m ()
- glDeleteProgramsARB :: MonadIO m => GLsizei -> Ptr GLuint -> m ()
- glGenProgramsARB :: MonadIO m => GLsizei -> Ptr GLuint -> m ()
- glGetProgramEnvParameterdvARB :: MonadIO m => GLenum -> GLuint -> Ptr GLdouble -> m ()
- glGetProgramEnvParameterfvARB :: MonadIO m => GLenum -> GLuint -> Ptr GLfloat -> m ()
- glGetProgramLocalParameterdvARB :: MonadIO m => GLenum -> GLuint -> Ptr GLdouble -> m ()
- glGetProgramLocalParameterfvARB :: MonadIO m => GLenum -> GLuint -> Ptr GLfloat -> m ()
- glGetProgramStringARB :: MonadIO m => GLenum -> GLenum -> Ptr () -> m ()
- glGetProgramivARB :: MonadIO m => GLenum -> GLenum -> Ptr GLint -> m ()
- glIsProgramARB :: MonadIO m => GLuint -> m GLboolean
- glProgramEnvParameter4dARB :: MonadIO m => GLenum -> GLuint -> GLdouble -> GLdouble -> GLdouble -> GLdouble -> m ()
- glProgramEnvParameter4dvARB :: MonadIO m => GLenum -> GLuint -> Ptr GLdouble -> m ()
- glProgramEnvParameter4fARB :: MonadIO m => GLenum -> GLuint -> GLfloat -> GLfloat -> GLfloat -> GLfloat -> m ()
- glProgramEnvParameter4fvARB :: MonadIO m => GLenum -> GLuint -> Ptr GLfloat -> m ()
- glProgramLocalParameter4dARB :: MonadIO m => GLenum -> GLuint -> GLdouble -> GLdouble -> GLdouble -> GLdouble -> m ()
- glProgramLocalParameter4dvARB :: MonadIO m => GLenum -> GLuint -> Ptr GLdouble -> m ()
- glProgramLocalParameter4fARB :: MonadIO m => GLenum -> GLuint -> GLfloat -> GLfloat -> GLfloat -> GLfloat -> m ()
- glProgramLocalParameter4fvARB :: MonadIO m => GLenum -> GLuint -> Ptr GLfloat -> m ()
- glProgramStringARB :: MonadIO m => GLenum -> GLenum -> GLsizei -> Ptr () -> m ()
- pattern GL_CURRENT_MATRIX_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_CURRENT_MATRIX_STACK_DEPTH_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_FRAGMENT_PROGRAM_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_MATRIX0_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_MATRIX10_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_MATRIX11_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_MATRIX12_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_MATRIX13_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_MATRIX14_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_MATRIX15_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_MATRIX16_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_MATRIX17_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_MATRIX18_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_MATRIX19_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_MATRIX1_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_MATRIX20_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_MATRIX21_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_MATRIX22_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_MATRIX23_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_MATRIX24_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_MATRIX25_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_MATRIX26_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_MATRIX27_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_MATRIX28_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_MATRIX29_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_MATRIX2_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_MATRIX30_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_MATRIX31_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_MATRIX3_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_MATRIX4_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_MATRIX5_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_MATRIX6_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_MATRIX7_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_MATRIX8_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_MATRIX9_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_MAX_PROGRAM_ALU_INSTRUCTIONS_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_MAX_PROGRAM_ATTRIBS_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_MAX_PROGRAM_ENV_PARAMETERS_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_MAX_PROGRAM_INSTRUCTIONS_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_MAX_PROGRAM_LOCAL_PARAMETERS_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_MAX_PROGRAM_MATRICES_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_MAX_PROGRAM_MATRIX_STACK_DEPTH_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_MAX_PROGRAM_NATIVE_ALU_INSTRUCTIONS_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_MAX_PROGRAM_NATIVE_ATTRIBS_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_MAX_PROGRAM_NATIVE_INSTRUCTIONS_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_MAX_PROGRAM_NATIVE_PARAMETERS_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_MAX_PROGRAM_NATIVE_TEMPORARIES_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_MAX_PROGRAM_NATIVE_TEX_INDIRECTIONS_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_MAX_PROGRAM_NATIVE_TEX_INSTRUCTIONS_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_MAX_PROGRAM_PARAMETERS_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_MAX_PROGRAM_TEMPORARIES_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_MAX_PROGRAM_TEX_INDIRECTIONS_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_MAX_PROGRAM_TEX_INSTRUCTIONS_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_MAX_TEXTURE_COORDS_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_MAX_TEXTURE_IMAGE_UNITS_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_PROGRAM_ALU_INSTRUCTIONS_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_PROGRAM_ATTRIBS_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_PROGRAM_BINDING_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_PROGRAM_ERROR_POSITION_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_PROGRAM_ERROR_STRING_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_PROGRAM_FORMAT_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_PROGRAM_FORMAT_ASCII_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_PROGRAM_INSTRUCTIONS_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_PROGRAM_LENGTH_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_PROGRAM_NATIVE_ALU_INSTRUCTIONS_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_PROGRAM_NATIVE_ATTRIBS_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_PROGRAM_NATIVE_INSTRUCTIONS_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_PROGRAM_NATIVE_PARAMETERS_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_PROGRAM_NATIVE_TEMPORARIES_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_PROGRAM_NATIVE_TEX_INDIRECTIONS_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_PROGRAM_NATIVE_TEX_INSTRUCTIONS_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_PROGRAM_PARAMETERS_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_PROGRAM_STRING_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_PROGRAM_TEMPORARIES_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_PROGRAM_TEX_INDIRECTIONS_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_PROGRAM_TEX_INSTRUCTIONS_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_PROGRAM_UNDER_NATIVE_LIMITS_ARB :: forall a. (Num a, Eq a) => a
- pattern GL_TRANSPOSE_CURRENT_MATRIX_ARB :: forall a. (Num a, Eq a) => a
Extension Support
gl_ARB_fragment_program :: Bool Source #
Checks that the GL_ARB_fragment_program extension is available.
GL_ARB_fragment_program
glBindProgramARB :: MonadIO m => GLenum -> GLuint -> m () Source #
Usage: glBindProgramARB
target program
The parameter target
is a ProgramTargetARB
.
glDeleteProgramsARB :: MonadIO m => GLsizei -> Ptr GLuint -> m () Source #
Usage: glDeleteProgramsARB
n programs
The length of programs
should be n
.
glGenProgramsARB :: MonadIO m => GLsizei -> Ptr GLuint -> m () Source #
Usage: glGenProgramsARB
n programs
The length of programs
should be n
.
glGetProgramEnvParameterdvARB :: MonadIO m => GLenum -> GLuint -> Ptr GLdouble -> m () Source #
Usage: glGetProgramEnvParameterdvARB
target index params
The parameter target
is a ProgramTargetARB
.
The length of params
should be 4
.
glGetProgramEnvParameterfvARB :: MonadIO m => GLenum -> GLuint -> Ptr GLfloat -> m () Source #
Usage: glGetProgramEnvParameterfvARB
target index params
The parameter target
is a ProgramTargetARB
.
The length of params
should be 4
.
glGetProgramLocalParameterdvARB :: MonadIO m => GLenum -> GLuint -> Ptr GLdouble -> m () Source #
Usage: glGetProgramLocalParameterdvARB
target index params
The parameter target
is a ProgramTargetARB
.
The length of params
should be 4
.
glGetProgramLocalParameterfvARB :: MonadIO m => GLenum -> GLuint -> Ptr GLfloat -> m () Source #
Usage: glGetProgramLocalParameterfvARB
target index params
The parameter target
is a ProgramTargetARB
.
The length of params
should be 4
.
glGetProgramStringARB :: MonadIO m => GLenum -> GLenum -> Ptr () -> m () Source #
Usage: glGetProgramStringARB
target pname string
The parameter target
is a ProgramTargetARB
.
The parameter pname
is a ProgramStringPropertyARB
.
The length of string
should be COMPSIZE(target,pname)
.
glGetProgramivARB :: MonadIO m => GLenum -> GLenum -> Ptr GLint -> m () Source #
Usage: glGetProgramivARB
target pname params
The parameter target
is a ProgramTargetARB
.
The parameter pname
is a ProgramPropertyARB
.
The length of params
should be 1
.
glIsProgramARB :: MonadIO m => GLuint -> m GLboolean Source #
Usage: glIsProgramARB
program
glProgramEnvParameter4dARB :: MonadIO m => GLenum -> GLuint -> GLdouble -> GLdouble -> GLdouble -> GLdouble -> m () Source #
Usage: glProgramEnvParameter4dARB
target index x y z w
The parameter target
is a ProgramTargetARB
.
The vector equivalent of this command is glProgramEnvParameter4dvARB
.
glProgramEnvParameter4dvARB :: MonadIO m => GLenum -> GLuint -> Ptr GLdouble -> m () Source #
Usage: glProgramEnvParameter4dvARB
target index params
The parameter target
is a ProgramTargetARB
.
The length of params
should be 4
.
glProgramEnvParameter4fARB :: MonadIO m => GLenum -> GLuint -> GLfloat -> GLfloat -> GLfloat -> GLfloat -> m () Source #
Usage: glProgramEnvParameter4fARB
target index x y z w
The parameter target
is a ProgramTargetARB
.
The vector equivalent of this command is glProgramEnvParameter4fvARB
.
glProgramEnvParameter4fvARB :: MonadIO m => GLenum -> GLuint -> Ptr GLfloat -> m () Source #
Usage: glProgramEnvParameter4fvARB
target index params
The parameter target
is a ProgramTargetARB
.
The length of params
should be 4
.
glProgramLocalParameter4dARB :: MonadIO m => GLenum -> GLuint -> GLdouble -> GLdouble -> GLdouble -> GLdouble -> m () Source #
Usage: glProgramLocalParameter4dARB
target index x y z w
The parameter target
is a ProgramTargetARB
.
The vector equivalent of this command is glProgramLocalParameter4dvARB
.
glProgramLocalParameter4dvARB :: MonadIO m => GLenum -> GLuint -> Ptr GLdouble -> m () Source #
Usage: glProgramLocalParameter4dvARB
target index params
The parameter target
is a ProgramTargetARB
.
The length of params
should be 4
.
glProgramLocalParameter4fARB :: MonadIO m => GLenum -> GLuint -> GLfloat -> GLfloat -> GLfloat -> GLfloat -> m () Source #
Usage: glProgramLocalParameter4fARB
target index x y z w
The parameter target
is a ProgramTargetARB
.
The vector equivalent of this command is glProgramLocalParameter4fvARB
.
glProgramLocalParameter4fvARB :: MonadIO m => GLenum -> GLuint -> Ptr GLfloat -> m () Source #
Usage: glProgramLocalParameter4fvARB
target index params
The parameter target
is a ProgramTargetARB
.
The length of params
should be 4
.
glProgramStringARB :: MonadIO m => GLenum -> GLenum -> GLsizei -> Ptr () -> m () Source #
Usage: glProgramStringARB
target format len string
The parameter target
is a ProgramTargetARB
.
The parameter format
is a ProgramFormatARB
.
The length of string
should be len
.
pattern GL_CURRENT_MATRIX_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_CURRENT_MATRIX_STACK_DEPTH_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_FRAGMENT_PROGRAM_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_MATRIX0_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_MATRIX10_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_MATRIX11_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_MATRIX12_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_MATRIX13_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_MATRIX14_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_MATRIX15_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_MATRIX16_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_MATRIX17_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_MATRIX18_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_MATRIX19_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_MATRIX1_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_MATRIX20_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_MATRIX21_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_MATRIX22_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_MATRIX23_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_MATRIX24_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_MATRIX25_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_MATRIX26_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_MATRIX27_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_MATRIX28_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_MATRIX29_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_MATRIX2_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_MATRIX30_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_MATRIX31_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_MATRIX3_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_MATRIX4_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_MATRIX5_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_MATRIX6_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_MATRIX7_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_MATRIX8_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_MATRIX9_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_MAX_PROGRAM_ALU_INSTRUCTIONS_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_MAX_PROGRAM_ATTRIBS_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_MAX_PROGRAM_ENV_PARAMETERS_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_MAX_PROGRAM_INSTRUCTIONS_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_MAX_PROGRAM_LOCAL_PARAMETERS_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_MAX_PROGRAM_MATRICES_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_MAX_PROGRAM_MATRIX_STACK_DEPTH_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_MAX_PROGRAM_NATIVE_ALU_INSTRUCTIONS_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_MAX_PROGRAM_NATIVE_ATTRIBS_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_MAX_PROGRAM_NATIVE_INSTRUCTIONS_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_MAX_PROGRAM_NATIVE_PARAMETERS_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_MAX_PROGRAM_NATIVE_TEMPORARIES_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_MAX_PROGRAM_NATIVE_TEX_INDIRECTIONS_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_MAX_PROGRAM_NATIVE_TEX_INSTRUCTIONS_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_MAX_PROGRAM_PARAMETERS_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_MAX_PROGRAM_TEMPORARIES_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_MAX_PROGRAM_TEX_INDIRECTIONS_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_MAX_PROGRAM_TEX_INSTRUCTIONS_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_MAX_TEXTURE_COORDS_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_MAX_TEXTURE_IMAGE_UNITS_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_PROGRAM_ALU_INSTRUCTIONS_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_PROGRAM_ATTRIBS_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_PROGRAM_BINDING_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_PROGRAM_ERROR_POSITION_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_PROGRAM_ERROR_STRING_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_PROGRAM_FORMAT_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_PROGRAM_FORMAT_ASCII_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_PROGRAM_INSTRUCTIONS_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_PROGRAM_LENGTH_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_PROGRAM_NATIVE_ALU_INSTRUCTIONS_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_PROGRAM_NATIVE_ATTRIBS_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_PROGRAM_NATIVE_INSTRUCTIONS_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_PROGRAM_NATIVE_PARAMETERS_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_PROGRAM_NATIVE_TEMPORARIES_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_PROGRAM_NATIVE_TEX_INDIRECTIONS_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_PROGRAM_NATIVE_TEX_INSTRUCTIONS_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_PROGRAM_PARAMETERS_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_PROGRAM_STRING_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_PROGRAM_TEMPORARIES_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_PROGRAM_TEX_INDIRECTIONS_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_PROGRAM_TEX_INSTRUCTIONS_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_PROGRAM_UNDER_NATIVE_LIMITS_ARB :: forall a. (Num a, Eq a) => a Source #
pattern GL_TRANSPOSE_CURRENT_MATRIX_ARB :: forall a. (Num a, Eq a) => a Source #