TurboPFor: Integer Compression c/c++ header

Author: powturbo

include/ic.h

@@ -537,6 +537,35 @@ void bitzdec(unsigned char *in, unsigned n,                     unsigned esize);
 #define FLOAT2INT(fval, scalse, bias) round(fval * scale + bias)
 #define INT2FLOAT(ival, scalse, bias) ((ival - bias) / scale)
 
+//------- Quantization : b number of bits quantized in out ----------------
+  #if defined(FLT16_BUILTIN) 
+void fpquant8e16( _Float16 *in, size_t n, uint8_t  *out, unsigned b, _Float16 *pfmin, _Float16 *pfmax);
+void fpquant16e16(_Float16 *in, size_t n, uint16_t *out, unsigned b, _Float16 *pfmin, _Float16 *pfmax);
+  #endif                                                                                              
+																									  
+void fpquant8e32(    float *in, size_t n, uint8_t  *out, unsigned b, float    *pfmin,    float *pfmax);
+void fpquant16e32(   float *in, size_t n, uint16_t *out, unsigned b, float    *pfmin,    float *pfmax);
+void fpquant32e32(   float *in, size_t n, uint32_t *out, unsigned b, float    *pfmin,    float *pfmax);
+																									  
+void fpquant8e64(   double *in, size_t n, uint8_t  *out, unsigned b, double   *pfmin,   double *pfmax);
+void fpquant16e64(  double *in, size_t n, uint16_t *out, unsigned b, double   *pfmin,   double *pfmax);
+void fpquant32e64(  double *in, size_t n, uint32_t *out, unsigned b, double   *pfmin,   double *pfmax);
+void fpquant64e64(  double *in, size_t n, uint64_t *out, unsigned b, double   *pfmin,   double *pfmax);
+																									  
+  #if defined(FLT16_BUILTIN)                                                                          
+void fpquant8d16( uint8_t  *in, size_t n, _Float16 *out, unsigned b, _Float16   fmin, _Float16   fmax);
+void fpquant16d16(uint16_t *in, size_t n, _Float16 *out, unsigned b, _Float16   fmin, _Float16   fmax);
+  #endif                                                                                              
+																									  
+void fpquant8d32( uint8_t  *in, size_t n, float    *out, unsigned b, float      fmin,    float   fmax);
+void fpquant16d32(uint16_t *in, size_t n, float    *out, unsigned b, float      fmin,    float   fmax);
+void fpquant32d32(uint32_t *in, size_t n, float    *out, unsigned b, float      fmin,    float   fmax);
+																									  
+void fpquant8d64( uint8_t  *in, size_t n, double   *out, unsigned b, double     fmin,   double   fmax);
+void fpquant16d64(uint16_t *in, size_t n, double   *out, unsigned b, double     fmin,   double   fmax);
+void fpquant32d64(uint32_t *in, size_t n, double   *out, unsigned b, double     fmin,   double   fmax);
+void fpquant64d64(uint64_t *in, size_t n, double   *out, unsigned b, double     fmin,   double   fmax);
+
 //------- Lossy floating point transform: pad the trailing mantissa bits with zeros according to the error e (ex. e=0.00001)
 // must include float.h to use _Float16 (see icapp.c)
 #if defined(__clang__) && defined(__is_identifier)
@@ -983,35 +1012,35 @@ unsigned  trled(  const unsigned char *__restrict in, unsigned inlen, unsigned c
 }
 #endif
 
-//-- "Integer Compression" variable length encoding with bitio ------------------
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-//-- Gamma coding (length limited) : Full 32 bit range
-size_t bitgenc32(  unsigned char *_in, size_t _inlen,  unsigned char  *out);  
-size_t bitgdec32(  unsigned char  *in, size_t _outlen, unsigned char *_out);
-
-//-- Rice Coding (adaptive length limited) : Full 32 bit range ---
-size_t bitrenc32(  unsigned char *_in, size_t _inlen,  unsigned char  *out);   
-size_t bitrdec32(  unsigned char  *in, size_t _outlen, unsigned char *_out);
-
-size_t vlcenc32(   unsigned char *_in, size_t _inlen,  unsigned char  *out);   // TurboVLC 32 bits
-size_t vlcdec32(   unsigned char  *in, size_t _outlen, unsigned char *_out);
-
-size_t vlcenc16(   unsigned char *_in, size_t _inlen,  unsigned char  *out);  // TurboVLC 16 bits
-size_t vlcdec16(   unsigned char  *in, size_t _outlen, unsigned char *_out);
-
-size_t vlczenc16(  unsigned char *_in, size_t _inlen,  unsigned char  *out);  // TurboVLC 16 bits zigzag
-size_t vlczdec16(  unsigned char  *in, size_t _outlen, unsigned char *_out);
-
-size_t vlczenc32(  unsigned char *_in, size_t _inlen,  unsigned char  *out);  // TurboVLC 32 bits zigzag
-size_t vlczdec32(  unsigned char  *in, size_t _outlen, unsigned char *_out);
-
-#ifdef __cplusplus
-}
-#endif
-
+//-- "Integer Compression" variable length encoding with bitio ------------------
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+//-- Gamma coding (length limited) : Full 32 bit range
+size_t bitgenc32(  unsigned char *_in, size_t _inlen,  unsigned char  *out);  
+size_t bitgdec32(  unsigned char  *in, size_t _outlen, unsigned char *_out);
+
+//-- Rice Coding (adaptive length limited) : Full 32 bit range ---
+size_t bitrenc32(  unsigned char *_in, size_t _inlen,  unsigned char  *out);   
+size_t bitrdec32(  unsigned char  *in, size_t _outlen, unsigned char *_out);
+
+size_t vlcenc32(   unsigned char *_in, size_t _inlen,  unsigned char  *out);   // TurboVLC 32 bits
+size_t vlcdec32(   unsigned char  *in, size_t _outlen, unsigned char *_out);
+
+size_t vlcenc16(   unsigned char *_in, size_t _inlen,  unsigned char  *out);  // TurboVLC 16 bits
+size_t vlcdec16(   unsigned char  *in, size_t _outlen, unsigned char *_out);
+
+size_t vlczenc16(  unsigned char *_in, size_t _inlen,  unsigned char  *out);  // TurboVLC 16 bits zigzag
+size_t vlczdec16(  unsigned char  *in, size_t _outlen, unsigned char *_out);
+
+size_t vlczenc32(  unsigned char *_in, size_t _inlen,  unsigned char  *out);  // TurboVLC 32 bits zigzag
+size_t vlczdec32(  unsigned char  *in, size_t _outlen, unsigned char *_out);
+
+#ifdef __cplusplus
+}
+#endif
+
 //-- "Integer Compression" variable byte (scalar TurboVByte+ SIMD TurboByte) ---------------------------------------------------------------
 
 #ifdef __cplusplus
@@ -1632,4 +1661,3 @@ unsigned char *vsdec64(unsigned char  *__restrict in, size_t n, uint64_t       *
 #ifdef __cplusplus
 }
 #endif
-