Cross Reference: /external/gemmlowp/fixedpoint/fixedpoint.h

Lines Matching refs:FixedPoint
36 //    abstractions, namely the FixedPoint class and its arithmetic
339 // Part 2: the FixedPoint class.
341 // A FixedPoint object represents a fixed-point value stored in the underlying
344 // case a FixedPoint object represents a corresponding SIMD vector of fixed
369 class FixedPoint {
382   typedef FixedPoint<ScalarRawType, kIntegerBits> ScalarFixedPointType;
400   static FixedPoint FromRaw(RawType x) {
401     FixedPoint retval;
406   static FixedPoint FromScalarRaw(ScalarRawType x) {
407     FixedPoint retval;
412   static FixedPoint FromScalarFixedPoint(ScalarFixedPointType x) {
417   static FixedPoint ConstantPOT() {
425   static FixedPoint Zero() { return FromScalarRaw(0); }
427   static FixedPoint One() {
433   static FixedPoint FromDouble(double x) {
450 // FixedPoint class, and a few related functions.
452 // A FixedPoint multiplication is just a
457 FixedPoint<tRawType, tIntegerBits_a + tIntegerBits_b> operator*(
458     FixedPoint<tRawType, tIntegerBits_a> a,
459     FixedPoint<tRawType, tIntegerBits_b> b) {
460   FixedPoint<tRawType, tIntegerBits_a + tIntegerBits_b> c;
467 FixedPoint<tRawType, tExponent + tIntegerBits> ExactMulByPot(
468     FixedPoint<tRawType, tIntegerBits> a) {
469   FixedPoint<tRawType, tExponent + tIntegerBits> c;
477 FixedPoint<tRawType, tIntegerBits> SaturatingRoundingMultiplyByPOT(
478     FixedPoint<tRawType, tIntegerBits> a) {
479   return FixedPoint<tRawType, tIntegerBits>::FromRaw(
487   FixedPoint<tRawType, tIntegerBits> FuncName(                                 \
488       FixedPoint<tRawType, tIntegerBits> a) {                                  \
489     return FixedPoint<tRawType, tIntegerBits>::FromRaw(ImplFuncName(a.raw())); \
494   FixedPoint<tRawType, tIntegerBits> FuncName(              \
495       FixedPoint<tRawType, tIntegerBits> a,                 \
496       FixedPoint<tRawType, tIntegerBits> b) {               \
497     return FixedPoint<tRawType, tIntegerBits>::FromRaw(     \
515   tRawType FuncName(FixedPoint<tRawType, tIntegerBits> a) { \
521   tRawType FuncName(FixedPoint<tRawType, tIntegerBits> a,   \
522                     FixedPoint<tRawType, tIntegerBits> b) { \
539 FixedPoint<tRawType, tIntegerBits> SelectUsingMask(
540     tRawType if_mask, FixedPoint<tRawType, tIntegerBits> then_val,
541     FixedPoint<tRawType, tIntegerBits> else_val) {
542   return FixedPoint<tRawType, tIntegerBits>::FromRaw(
547 bool operator==(FixedPoint<tRawType, tIntegerBits> a,
548                 FixedPoint<tRawType, tIntegerBits> b) {
553 bool operator!=(FixedPoint<tRawType, tIntegerBits> a,
554                 FixedPoint<tRawType, tIntegerBits> b) {
560 double ToDouble(FixedPoint<tRawType, tIntegerBits> x) {
563   typedef FixedPoint<tRawType, tIntegerBits> F;
570 FixedPoint<tRawType, tIntegerBitsDst> Rescale(
571     FixedPoint<tRawType, tIntegerBitsSrc> x) {
573   FixedPoint<tRawType, tIntegerBitsDst> result;
605 FixedPoint<tRawType, 0> exp_on_interval_between_negative_one_quarter_and_0_excl(
606     FixedPoint<tRawType, 0> a) {
607   typedef FixedPoint<tRawType, 0> F;
629 FixedPoint<tRawType, 0> exp_on_negative_values(
630     FixedPoint<tRawType, tIntegerBits> a) {
631   typedef FixedPoint<tRawType, tIntegerBits> InputF;
632   typedef FixedPoint<tRawType, 0> ResultF;
678 FixedPoint<tRawType, 0> one_minus_x_over_one_plus_x_for_x_in_0_1(
679     FixedPoint<tRawType, 0> a) {
680   typedef FixedPoint<tRawType, 0> F0;
681   typedef FixedPoint<tRawType, 2> F2;
702 FixedPoint<tRawType, 0> neg_tanh_on_negative_values(
703     FixedPoint<tRawType, tIntegerBits> a) {
710 FixedPoint<tRawType, 0> tanh(FixedPoint<tRawType, tIntegerBits> a) {
711   typedef FixedPoint<tRawType, tIntegerBits> InputF;
712   typedef FixedPoint<tRawType, 0> ResultF;
725 FixedPoint<tRawType, 0> one_over_one_plus_x_for_x_in_0_1(
726     FixedPoint<tRawType, 0> a) {
727   typedef FixedPoint<tRawType, 0> F0;
728   typedef FixedPoint<tRawType, 2> F2;
749 FixedPoint<tRawType, 0> logistic_on_positive_values(
750     FixedPoint<tRawType, tIntegerBits> a) {
756 FixedPoint<tRawType, 0> logistic(FixedPoint<tRawType, tIntegerBits> a) {
757   typedef FixedPoint<tRawType, tIntegerBits> InputF;
758   typedef FixedPoint<tRawType, 0> ResultF;