Floating Point Math Library for PIC32

Common Floating Point Functions

Features

Function

Description

Average Single Precision Performance

• Free library included with MPLAB compiler

• Compatible with all devices in the Microchip PIC32 family

• Full compatibility with standard ANSI C floating point math libraries.

• Support for double or single precision floating point

• Includes common operations such as sin, cos, tan, etc.

Getting Started
• Download and install MPLAB and the free trial version of the C32 C compiler

• See Chapter 2 of the MPLAB C32 C Libraries Manual

• Start writing floating point code!

sin/sinf*

Sin of a double/single precision floating point variable

299 cycles

cos/cosf*

Cos of a double/single precision floating point variable

299 cycels

tan/tanf*

Tan of a double/single precision floating point variable

389 cycles

exp/expf*

Calculates the exponential function of a double/single precision floating point variable

133 cycles

fabs/fabsf*

Calculates the absolute value of a double/single precision floating point variable

6 cycles

fmod/fmodf*

Calculates the remainder of x/y as a double/single precision floating point value

86 cycles

log/logf*

Calculates the log of a double/single precision variable

301 cycles

sqrt/sqrtf*

Calculates the square root of a double/single precision variable

237 cycles

pow/powf*

Calculates x raised to the power of y

367 cycles

floor/floorf*

Calculates the floor of a double/single precision floating point variable

33 cycles

ceil/ceilf*

Calculates the ceiling of a double/single precision floating point variable

34 cycles

asin/asinf*

Arc sin of a double/single precision floating point variable

618 cycles

acos/acosf*

Arc cos of a double/single precision floating point variable

685 cycles

atan/atanf*

Arc tan of a double/single precision floating point variable

353 cycles