Renesas V850 Series Informações Técnicas descarregar pdf (Página 42)

Pamphlet U15763EJ5V0PF

MIDDLEWARE

HIGH-SPEED FLOATING-POINT LIBRARY

Features

◆ Created based on FPT3.0 from USSOFT

◆ ANSI-C (JIS X 3010)-compliant

Supported Devices

◆ V850 Series

Supported Compilers

◆ GHS, GNUPro, IAR

Supported Mathematical Functions

Basic operations

· Double-precision operations dpadd, dpsub, dpmul, dpdiv

· Single-precision operations fpadd, fpsub, fpmul, fpdiv

· Conversion operations dptofp, litodp, dptoli, ultodp, dptoul, litofp, fptoli, ultofp, fptoul

· GCC only lltodp, ulltodp, dptoull, dptoll, fptoll, fptoull, lltofp, ulltofp

· Compare dpcmp, fpcmp

· GCC runtime functions negdf2, negsf2, eqdf2, nedf2, ltdf2, ledf2, gtdf2, gedf2, eqsf2, nesf2, ltsf2,

lesf2, gtsf2, gesf2

Basic functions

· Double-precision fabs, ceil, floor, fmob, modf, frexp, ldexp, sqrt

· Single-precision fabsf, ceilf, floort, fmodf, modff, frexpf, ldexpf, sqrtf

Transcendental functions

· Double-precision asin, acos, atan, atan2, cos, cosh, exp, log, log10, pow, sin, sinh, tan, tanh

· Single-precision acosf, asinf, atanf, atan2f, cosf, coshf, expf, logf, log10f, powf, sinf, sinhf,

tanf, tanhf

Additional functions

isnan, isnanf, isinf, isinff

The following product is offered as a high-speed floating-point library.

GOFAST: V850 Series high-speed floating-point library

This library increases the operation speed when using floating-point operations with V850 Series prod-

ucts that do not have an on-chip FPU.

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