40. Numerics

The purpose of computing is insight, not numbers.

– R. W. Hamming

... but for the student, numbers are often the best road to insight.

– A. Ralston

• Introduction

• Numerical Limits

Limit Macros

• Standard Mathematical Functions

• complex Numbers

• A Numerical Array: valarray

Constructors and Assignments; Subscripting; Operations; Slices; slice_array; Generalized Slices

• Generalized Numerical Algorithms

accumulate(); inner_product(); partial_sum() and adjacent_difference(); iota()

• Random Numbers

Engines; Random Device; Distributions; C-Style Random Numbers

• Advice

40.1. Introduction

C++ was not designed primarily with numeric computation in mind. However, numeric computation typically occurs in the context of other work – such ...

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